N55 hpfp install.

• N55 hpfp install Pros of purchasing a BMW 8604231 11-16 E92 F30 F10 F13 F22 X1 X6 N55 HPFP (High Pressure Fuel Pump): 1. N55 "Gauntlet" HPFP Upgrade Categories. After running May 1, 2018 · My HPFP needed changing, here is my DIY. When HPFP capacity is exceeded, the result is stumbles and misfires at high RPM. The Dorch N55 High-Pressure Fuel Pump Upgrade (stage 1) is a complete plug-and-play kit to support up to 650whp*. Experience superior performance with this plug-and-play solution designed for maximum efficiency and reliability. running the N55/S55 type setup on the N54 will flow more fuel. For doi To help combat this, we are introducing the first High Pressure Fuel Pump (HPFP) for the N55 direct injection engines! Our extensive work with Xtreme-DI has revealed this pump can expand the tuning and performance opportunity of your N55 motor. I know it's a long model description but the version2 is the one that uses the Walbro 535 which works well with the power supplied by the stock EKP. Asking $2850 shipped for the setup. OEM Bosch HPFP is about $230 and a Genuine LPFP for $315. 74,900. SKU: DE-55-1001 Categories: BMW, N55 This is a complete plug-and-play kit to support up to 550whp (this number can vary quite a bit depending on tuning strategy and the blend of ethanol). I have the Dorch Stage2 HPFP and the Precision Raceworks Stage2. N55 DS25 HPFP Upgrade $ 1,699. I'm already FBO with a Dorch Stage 2 HPFP and a BM3 Flex Fuel kit. P65Warnings. I just ordered the parts. Someone informed me of this. Currently we offer high pressure fueling solutions for various Mercedes, BMW, AUDI, VW, Aston Martin, Ferrari, Lamborghini, Infiniti and Kia platforms. e. The Xtreme-DI / TTFS upgraded N55 fuel pump helps combat this. *These kits are available for off-road use only We have a dedicated calibration engineer in-house who painstakingly develops all of our HPFP files using OEM calibration tools and supports a global tuning network. com/watch?v=s4rEx4CzVTUToday we going to upgrade the HPFP (high pressure fuel pump), on this BMW F32 with N55B30 engine. Torque the AN female fitting to the high-pressure fuel pump to . The low- pressure fuel pump with activate and the low pressure side of the pump will pressurize. The BMW B58TU / Supra Fuel Pump (HPFP) is a stock off the shelf pump made by Bosch that packs a punch!. Price: $1,799 Flow Increases: 110% over stock S55 injector; 65% over stock N55 injector; 50% over stock M5 injector; Precision Matching: Sets matched within a ±0. Right installation For N54 High Pressure Fuel Pump 1. That fixed the problem then. ecstuning. When the fuel pressure is insufficient, the fuel mixture may not ignite properly in the combustion chamber, resulting in misfires or hesitation during acceleration. Fitment: High Pressure Fuel Pump For BMW: 2011 - 2011 1 Series M; 2008 - 2011 135i; 2012 - 2012 135i Note: thru 02/12 Aug 1, 2021 · Nostrum HPFP’s always include all the accessories and hardware you need for hassle-free installation such as electrical connectors, low and high-pressure fuel lines, and hardware. We recommend new throttle body and intake manifold gaskets upon reassembly. That particular HPFP pictured is also an older rev as it doesn't have the magnet. if your HPFP is not having issues flowing enough fuel this upgrade will give you zero gains, which would be the case on a stock m2. 5 bar TMAP sensor, ordered some extra NGK97506 plugs and some new Delphi 12138616153 coils. Aug 17, 2017 · Thanks to a tip from @WedgePerformance Xtreme-DI has the XDI-HPFP-35 and the XDI-HPFP-60 Here is the description: The XDI-HPFP-35 is the first High Flow High Pressure Direct Injection pump to replace Bosch, Denso, Magneti Marelli and Delphi pumps. gov I was planning to install this on my car with Pure Stage 2 to run a comfortable conservative setup, but I'd rather have a bigger pump and not need it, than need it and not have it. The XDI pump has different sized pistons I think XDI came in to explain a lot of their engineering & design on that thread. In that case the low pressure fuel pump goes into a 100% drive status and operating on its own. Dec 16, 2020 · Absolutely worth it and here is why. HDP6 (B58TU "Supra" HPFP) The HDP6 is the stock B58TU (Supra) and it flows a lot more fuel than the Sep 18, 2010 · Repair covered under 3 year 36k warranty - not 5 yr/60k power train warranty. PWG and EWG very different animals. Which Harness Version do I need? Beyond the pump performance, why choose Dorch? PLUG AND PLAY: This is the ONLY true plug and play OEM fitment option on the market. The only difference is the fact that the B48 uses 4 fuel injectors rather than 6. They provide approximately 50% more flow when combined with your stock pump. The limit of the stock HPFP is well known. Firstly, you need to check the connection between body pump and pressure valves, see if it is tackless or not. In collaboration with Tuning Tech (TTFS) by Frank Smith, this upgraded HPFP provides a +36% flow capacity. Follow us o a. There are a few pros and cons to opting for high-pressure fuel pump upgrades: N55 HPFP Upgrade Pros: Simple setup; Direct injection remains only fueling; HPFP upgrades are typically plug and play solutions. Jun 8, 2022 · That is the low pressure fuel pump, or LPFP which often can struggle at higher HP tunes. N55: Which Harness Do I Need? WWW. Page 2 of 3 They have two versions available, the XDI-35 and the XDI-60, both of which outflow the OEM HPFP pump on the N55. and that he was sending the base PWG files. The video was posted September 21, 2020 and the guy added links to parts and mentioned the OEM HPFP was $339. From the creators of the world’s first B58 direct-injection fueling upgrades, comes our next generation of pumps. Download Installation Guide ⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www. That's why he is having the issues. Even though we used a 2011 335i to perform this repair, this article can be applied to any BMW vehicle with the N54/N55 turbocharged engine including the 1,3,5,7,X3,X5,X6,Z4 series with minor modifications to the repair steps. May 26, 2024 · Repairing of HPFP done and installation doneWill be posting the video how to repair the HPFP within a week. c. We're just shy of 2k miles. This kit is supplied with everything you need, including Dorch’s 250 bar capacity hardline to effortlessly connect our HPFP to Now that Gen1 B58 tuning software supports true CAN-based Flex Fuel tuning, we are offering our own plug and play ECA solution! With MHD and BM3’s new features, there is no longer much of a need for Bluetooth ethanol sensors. Disclaimer: you do this at your own risk. This variant integrates the new BMS CANflex LED ECA that includes both a digital display box to monitor ethanol mixtures as well as a voltage output for those running a JB4. StudioRSR is proud to offer the N55 community the first ever factory-fitment fuel system upgrade. Spool Performance is thrilled to introduce our latest innovation for the N54/early N55 community: the Helix Overdrive Unit. I’d love for some of the tuners check out his logs and see what this find could mean for the N55 community! Dec 16, 2018 · theres a company that has brought out hpfp for the n55 cars tuningtechfs/xdi to my knowledge this is the only company on the market offering a hpfp upgrade TTFS/XDI -35 HPFP Upgrade For N55 TTFS N55 Dual HPFP Factory Upgrade but they between 2000-5000 dollars depending on which one you want they very expensive About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Feb 6, 2020 · Looks like MHD has officially released v1. Thomas has created a user name, he will have much more answers on the actual install. M3 n55 hits 415-420WHP on Stg 2 E30, reg n55 hits 390ish WHP. The Dorch Engineering N55 DS15 HPFP Upgrade is a high-performance fuelling solution designed to deliver increased fuel flow and enhanced reliability for BMW N55 engines. youtube. watch full video before attempting! Buy the connector for Pre 2015 N55s here https://www. You're better off getting a tune, chargepipes, downpipe, and intercooler. Jun 30, 2020 · Anyways, back to the N55 HPFP discussion. Sep 23, 2021 · As many people know, fueling has been the choking point for N55 engines, I struggled for 2 years, ever since stage 2, I have experiencing fueling issues. Re-install everything just as it came off. Introducing the new B58 BMW HPFP upgrade kit from Fuel-It! Replaces your factory high-pressure fuel pump with a higher capacity pump capable of supporting 30% more flow with Stage1 or 60% more flow with Stage2! So I'm in the market for hpfp. Fuel-It! N54/N55 fuel pump upgrades! E Chassis 135i, 335i, and X1 Stage 1 LPFP Upgrades! These kits are designed to be installed inline with your stock low-pressure fuel pump (LPFP). Estimated time: 6hours* (highly recommended to let the car cool down overnight. KEY FEATURES. connect to the new LPFP feed line, to the HPFP. While this pump is considered a stock pump for the Toyota Supra and B58TU engines it is a nice upgrade for Gen 1 B58 customers as well. 2018 M2 - Daily Driver/Track Car ensure the HPFP does not run dry. Apr 1, 2019 · This article covers replacing the high pressure fuel pump in a BMW E90 with the N55 turbocharged engine. Depending on what shop you go to, expect anywhere from $200 to $500. 00 Original price was: $749. The HPFP can then be dropped into place in the flange. Every single Nostrum HPFP features a stainless steel laser welded construction and is dynamically bench tested by our technicians and only makes it into a Nostrum KIT NOT COMPATIBLE with 2011-2012 N55 Vehicles . Jun 7, 2017 · N55 pumps are already being worked on being put on the N54 in another thread. If your fuel pressure is crashing you know you need to either reduce the E85 mixture, reduce the boost, or, add in Water Methanol Injection (WMI) or Port Injection (PI) or Upgrade your HPFP. Aug 25, 2021 · My high pressure fuel pump recently gave up the ghost at 148,555 miles. N54 and N55 pump setups physically are interchangeable. 5% spread Jun 7, 2019 · As many of you who follow my tuning thread in the N55 section know, early last year when I installed a PS2 on my N55 running E55 I quickly met the limit of HPFP capacity. This doesn't mean that the XDI can be skipped, especially if you're trying to put down serious power. N55 Dorch Stage 1 HPFP Upgrade Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. N55 HPFP Flow Capacities The table below serves as a reference for maximum fuel flow in cubic centimeters per camshaft revolution for various N55 fuel pump options. Was replaced at 88K miles on third party warranty. MWWW. Apr 7, 2020 · The B58 uses a low pressure fuel pump (LPFP) and high pressure fuel pump (HPFP). This is a complete plug-and-play kit to support up to 700whp and also allow for full E85 up to 550whp (these numbers can vary quite a bit depending on tuning Jun 12, 2015 · My HPFP on my 2014 335i died after running it hard on the track for 4 hours straight in back to back sessions at Summit Point Jefferson Circuit this past weekend. I have a 2011 n55 535i. Dorch Lifetime Warranty; HPFP w/ Hardware; High Pressure Line; Low Pressure Line; Low Pressure Line Bracket; Plug-n-Play Adapter Harness *ONLY 2013+ models with OE Bosch HPFP KIT NOT COMPATIBLE with 2011-2012 N55 Vehicles. As of now any bootmod3 user looking to go with an XDI HPFP upgrade can go into any of their maps (custom or OTS), use the map configuration screen and choose the appropriate pump from a dropdown of options, screenshot attached. Installation Instructions: N55 HPFP Installation. and then the reassembly process can begin. I live in CA where the 91 is hamburger grease, and I really wanted to wake this nice turbo up Jan 26, 2022 · I'm a novice when it comes to installing things so when i installed my Dorch Stage 2 it look about 4 hours, only because I got stuck forever fitting the damn HPFP and LPFP in. b. While the factory B58 high-pressure fuel pump is a pretty capable piece of kit compared to the HPFPs found on older BMW turbocharged engines, it still taps out at around the 450whp mark on 93 octane fueling and 410-420whp on an E30 ethanol blend, limiting the peak potential Aug 25, 2021 · My high pressure fuel pump recently gave up the ghost at 148,555 miles. 0L HIGH FLOW HIGH PRESSURE FUEL PUMP KIT INSTALLATION INSTRUCTIONS BMW N55 3. com/b-fuel_it!-parts/b58-supra-fuel-pump-retrofit-extensio This is where the Nostrum N55 HPFP kit comes in! Flowing an astounding 63% more fuel than stock, the Nostrum HPFP’s will provide your engine with the additional fuel it so desperately craves. Mar 17, 2021 · Parts required to replace the high-pressure fuel pump on an N20/N26 powered BMW F30: Updated BMW High-Pressure Fuel Pump Kit Tools required to replace the high-pressure fuel pump on an N20/N26 powered BMW F30: E6 Socket; E18 Socket; 10mm Socket; 17mm Wrench; Picks; Ratchets; Ratchet Extensions; Torque Wrench; Rags; Rivet Pliers; Wire Stripper . The 'stock' MHD Stage 2+ maps didn't work on my car due to falling rail pressure. COM BMW N55 3. These calculations are based on the stock N55 cam lobe unless otherwise noted (Lift Kit). This post will be This is a complete plug and play kit to install a Bluetooth ethanol sensor in your F Chassis BMW. Kit Contents: Dorch Lifetime Warranty; HPFP w/ Hardware; Dorch High Pressure Line; PTFE Low Pressure Line; Low Pressure Hose Bracket; Plug and Play Adapter Harness; Kit Fitment: F20 Jun 4, 2018 · Associated gaskets, seals, wiring connectors, pins etc are also included as I was ready to install this on my PS2 F10 when it got totaled by a kid that ran a red light. 2. Add to basket. But apparently in the past year the price has more than doubled to $720. At this point double check all of your fuel connections, fastener torques, etc. 500+ whp with FBO + PS2 + XDI-35 on a 50/50 mix sounds like a really clean way to get some serious reliable power out of the N55. This is a complete plug-and-play kit to support 650whp and also allow for full E85 up to 500whp (these numbers can var Zero benefits whatsoever if your actual HPFP pressure is not below the target HPFP pressure, i. E Chassis 135i, 335i, and X1 Stage 2 Bucketless LPFP Upgrades DORCH ENGINEERING N55 STAGE 1 HPFP. I can even exceed the HPFP's capacity with a few consecutive long pulls on 91oct and map2. I basically removed everything besides the fuel pump during the night, then the next morning removed the fuel pump itself. It's got full bolt-ons + PS2 and all the goodies. Jan 9, 2022 · Hey all, N55 M2 looking for turbo upgrade advice: Just ordered a Pure Stage 2 Turbo with the upgraded DV and inlet pipe, Spool Stage 3 LPFP, 3. Fueling limits for the original B48 are as follows: Feb 22, 2025 · In Part 2 of the N54/N55 HPFP Chain & Sprocket Overdrive Kit installation, we tackle an unexpected but crucial step—replacing the worn timing chain component The person with the XDI-60 issues has a PWG N55 and is using the EWG N55 XDI-60 Base files. N55 Lift Kit – HPFP Upgrade COMING SOON! We are proud to offer a game-changing product for the N55 community! With this innovative solution we are able to add up to 49% MORE fuel flow on top of either one of our existing N55 kits. N55/S55 High Flow Injectors – S63 EU5 $ 749. The Dorch N55 HPFP installation guide will provide complete step by step instructions for all preliminary and final steps for the N55 Lift Kit install. 14 lb-ft. N55 HPFP Flow Capacities: The table below serves as a reference for maximum fuel flow in cubic centimeters per camshaft revolution for various N55 fuel pump options. Unbelievable. I was wondering if you had any tuning problems. However, that shouldn’t be confused by the fact some BMW’s – like the higher performance S58 in the M3 & M4 – use dual high pressure fuel pumps. If this unusual situation happens, please get in XDI-Injectors. This didn't make sense, I've seen N54s hit high 500s even into the 600s on E40 w/ just the stock DI. Start the Vehicle and immediately check for leaks, if any leaks are present immediately turn off vehicle, identify and fix any leaks. S55_HPFP LK_Installation. Can be adapted to any F-Chassis car that uses an existing single Bosch HPFP with adequate tuning. 2013 E92 N55 6MT MSport, FBO (Wagner catted DP, ETS 5" Intercooler, BMS CP), NGK Iridium plugs gapped to . You will need to unthread and remove the locking collar, slide the hose onto the pump, and then re-install the locking collar. Installation Instructions: Related products. Reliability: This high-pressure fuel pump is specifically designed for BMW vehicles with the N55 engine, ensuring a perfect fit and optimal performance. Spool Performance has been forefront for high performance DI solutions since the first German GDI engine - the BMW N54. After nearly a year of rigorous testing, we are proud to present this game-changing product that unlocks new levels of performance for your high-pressure fuel system. The stock HPFP isn't capable of maxing out the stock turbo without supplemental fueling such as WMI, CPI, PI, etc. Once the Dorch units are available for sale (11th), I'll place the order (S2). The Nostrum HPFP kit requires no permanent modifications, allowing you to revert your vehicle to stock in the future. $ 699. They have 30-40WHP more as a result. If OK, proceed to step 3. After completing the major round of upgrades, as seen in Part 1 of our build posts, the newest N55 High-Pressure Fuel Pump XDI-HPFP-35 from Xtreme-DI was added to Alex's car. Preface: My late e-series N55 E82 has been in great health and well maintained. Fuel Pumps 36 products Ignition Systems 11 products Fuel Filtration S58/B58 Plug and Play ReFlex Plus Install Harness (1) 24. All of the safety and sophistication of the stock DME remain in place. 95 $499. Key cycle the vehicle into the “Accessory On” position (do not go to Ignition position). 99 N55 Stage 1 HPFP Upgrade. a. This guide covers only the extra steps specific to the N55 Lift Kit. Therefore once the car passes 36k, the owner must buy an extended warranty to protect himself pending a future factory recall. I received quotes though from 2 shops for HPFP install and it was about 300 each (3ish hours) Oct 19, 2022 · I recently installed the amazing Dorch Engineering high pressure fuel pump lift kit into my BMW M2 Competition, as a perfect way to setup for more power. 1. Each Fuel Pump is strictly test Again and again before Packing, Help to keep your Vehicle N54 N55 Engine running at Top performance. As the next evolution of the widely successful Dorch Stage 1 HPFP (DS1), the N55 DS15 HPFP Upgrade has been completely re-engineered to support higher power levels, ethanol blends, and upgraded turbo setups, while retaining Jul 21, 2024 · MHD wont connect to DME after hpfp install. I have ordered the new connector, and will have to cut the old one off and install the new one. Using a jack and a wooden block, carefully raise the engine on the driver side for clearance and remove the bolts securing the AC compressor to the block. Install the Nostrum low-pressure line male quick connect to the stock fuel supply feed. 2008 E88--Fuel-It! Mar 21, 2016 · The stock HPFP on the F-series N55 is undersized, to the point of running out of volume with FBO on 100oct, map7. Anyone have any experience with this, heard any issues? Does anyone have a link to info on this install? Nov 20, 2019 · Top Quality CNC-Machined KIPA High Pressure Fuel Pump, easy to install. BEFORE inserting the HPFP into the flange, push the low pressure hose on to the Dorch HPFP inlet. Bimmerpost ☰ Model Selection. May 23, 2017 · BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > High Pressure Fuel Pump (hpfp) DIY Google Search Search Forums 2. Also, a weak HPFP wont throw a CEL on the dash. The previous generation N54 twin-turbo We start with Genuine BMW vacuum pump cores and install our Dorch Engineering Cam within the OEM assembly using our proprietary manufacturing tooling and validation equipment. Professional installation is encouraged. Oct 8, 2020 · Here is what they said to me in an email. Here is a proper way of replacing BMW 335i E90 E92 E93 High pressure Fuel pump replacement. Introducing the N55 Gauntlet High Pressure Fuel Pump, the latest innovation from Precision Raceworks, built to outperform and provide unmatched value for N55 enthusiasts. The injectors in the N55's usually last well over However, Thomas’s logs show that by just installing the HPFP on a regular tune it works without tweaking the tune. All M2, M235, 335, and 535 owners can use this pump. 20, planned Wednesday maintenance 5/20) Precision Raceworks Ignition Coil Kit (In Transit) NOTE: If you already have an ethanol sensor in your car, simply choose the correct chassis fitment and type “ECA HOSES” in the order notes. Installation Instructions: S55_HPFP LK_Installation . Welcome to the home of the highest powered direct injection N55 cars on the planet! If your power goals extend beyond the capacity of our DS25 HPFP alone, be sure to check out your options of pairing it with our N55LK innovation HERE. N55 has a cam sensor for timing injection. If I didn't get stuck probably woulda saved about 2 hours. Hey Everyone,In today's video, we're going to be fixing the fueling issues with my BMW F30 335i! As many of you know, we bumped it up to Pure Stage 2 turbos, N55 HPFP Flow Capacities. BMW M2 N55 Dorch Stage 2 HPFP Upgrade: Full E85In this video we install a Dorch stage 2 high pressure fuel pump upgrade to our friends F87 M2. N55 HPFP Flow Capacities I do apologize for using HPFP in the title, issue was pretty fresh (hence help) and appears completely unrelated. Install isn’t overly complicated, but it can take some time. *For the BMW N55 E-series JB4 platform connect the white wire to position #16 on the JB4 25 pin harness. A CAN-based ethanol sensor, can not only monitor ethanol content, but it will also directly […] Fuel-IT Stage 1 kits are designed to be installed inline with your stock low pressure N54/N55 BMW fuel pump (LPFP). I found an excellent how-to video on YouTube on replacing the HPFP. The table below serves as a reference for the maximum fuel flow in cubic centimeters per camshaft revolution for various N55 fuel pump options. N55_HPFP_Kit_Installation. This installation guide is intended to be used in conjunction with the standard Dorch N55 HPFP installation guide. I built out the entire video of the process and realized there was a far better, more simple way to do the work so rebuilt the DIY. Looking for feedback from those with experience running Port Injection on the N55 and running a larger turbo setup. Dec 10, 2019 · HDP5 Evo (Stock B58 HPFP) The HDP5 Evo is the HPFP the B58 comes with stock. I can’t maintain fuel rail pressure and Dorch are trying everything remotely as I am in Sydney Australia. 00 Current price is Jan 16, 2018 · Hi All - The rail pressure on my late (2013) N55 E92 is not holding up well under aggressive MHD-based tunes. Includes new high and low pressure fuel sensors, gaskets, and Genuine BMW pump. I came up with the estimates below using my XDrive dynos (E82 500whp hot day, E50 486whp cooler day), another M2 dyno (weak 93 449whp) and calculations from them. In my case, I also want to fully support the coming HPFP upgrade, and ensure full flow coming out of the tank. 0L. Dealer list on the parts included is $4k new. 00. It isn’t a step by step how to type of video, but m Jun 2, 2021 · I have installed the N55 lift kit on my N55 and running a stage 2 dorch hpfp. Includes every thing needed to replace a failed HPFP. M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Help: Getting 135808 After HPFP Install Post Reply. So who is going to be the first to create a DIY installation video? I've looked at the diagram at realoem and at the replacement procedure at newtis. Long story short. We’re proud to announce the 350 bar version of our wildly successful DS25 […] Dec 9, 2020 · The fuel system is identical to the larger B58 inline-6 engine. Once installed my tuner (David Shoup) sent me a base map and initially we had some issues with cold start where the rail pressure would be too high and the car would crank and won't start. $499. N55 Dorch Stage 2 HPFP Upgrade Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. F HPFP on the left. I’ll summarize below. These drop in pumps include a Walbro fuel pump capable of flowing up to 300% more fuel than the factory fuel pump and is 100% E85 compliant. Jul 7, 2020 · B58 HPFP with necessary cuts to fit into n55 engine. Remove the stock high pressure fuel pump (HPFP) assembly, including the stock low pressure line, high pres- Earn Reward Points: 1099 Dollar Value of Points: $10. Oct 14, 2023 · One of the first roadblocks to making massive power from the BMW B58 straight-6 is the factory high-pressure fuel pump. Just because HPFP failures do not happen as frequently on N55 motors as they have on N54 motors does not mean that my current HPFP is fine. _____ B58 HPFP (HPD5 Evo) $450 Bought this used from a PS2 435i owner who upgraded to the XDI pump. Jul 22, 2022 · I have the same yr/model car with the stock N55 EWG turbo. Issue has nothing to do with EKP. A step by step guide to a HPFP N54 engine replacement. d. Replacement high pressure fuel pump kit includes additional items to install updated fuel pump on early production N55 powered vehicles 135i, 135is, 335i, 335i GT xDrive, 335i xDrive, & more 1 Rating DS25-250 HPFP Specs DS25-250 DS25-250+ 38% N55LK DS25-250+ 49% N55LK Flow Potential Gasoline 750whp 900whp 1000whp Flow Potential E85 550whp 690whp 770whp Operating Pressure 250 Bar 250 Bar 250 Bar Welcome to the home of the highest powered direct injection N55 cars on the planet! If your power goals extend beyond the The F series n55 hpfp is notoriously weak from the factory when tuning especially with ethanol. What you end up with is a ton more fuel flow in a very simple and clean package, all while utilizing the safety and sophistication of the stock DME. Any suggestions or good feedback would be greatly appreciated! This installation guide is intended to be used in conjunction with the standard Dorch N55 HPFP installation guide. Check the high-pressure fuel pump and the low pressure side for leaks. N55LK Installation. This kit is supplied with everything you need, including Dorch’s 250 bar capacity hardline to effortlessly connect our HPFP to HPFP Install Kit Only with BMS CANflex Kit = This kit contains the HPFP Install Kit (HPFP NOT included) adds a flex fuel kit to your selection. G42Model Year: 2021 + Jul 16, 2018 · Wanted to start a new thread on this so I'd stop hijacking @VACust 's. So this 'valvetronic' problem occurred the minute we hooked up the battery. See purple line. I was planning to install this on my car with Pure Stage 2 to run a comfortable conservative setup, but I'd rather have a bigger pump and not need it, than need it and not have it. Following the HPFP controller directions, wire the HPFP controller, and using the R4 software, load the supplied starter map for the secondary 26. Also had a few shadow codes for it. Install the supplied plug-n-play harness adapter as pictured: 23. FAQ’s. That said, I still recommend an EOS BPM4 with an upgraded Walbro LPFP. Long cranking cycles werre the symptoms. Honestly, now with XDI pumps now available for for purchase. For the M2 N55, their Bootmod3 Stg 2 E30 and Stg 2 93 maps are a bit stronger than the regular N55 maps, as they push more boost and maybe a bit more timing too. B58 Gen1_HPFP_Kit_Installation. & 535i Bluetooth Flex Fuel Kits for F Chassis N55. Hey guys! So the HPFP decided to call it quits and made me order a new one. 5v2 LPFP upgrade. Feb 1, 2010 · Official "HPFP" Questions and Answers thread ("Engine Failure - Reduced Power" error) In an effort to plug the proliferation of high-pressure fuel pump (aka "HPFP") posts, we are going to build a single Q&A post that will help by objectively answer all of the questions. Nov 19, 2020 · My local BMW dealer diagnosed and replaced one HPFP about 4 years and 25000 miles ago. Jan 8, 2023 · I would expect a shop to bill around 2 to 3 hours of labor to install the HPFP. Jun 3, 2020 · Pure Turbos Stage 2 N55 (Turbo install) Pure Tubos High Flow Inlet, Option 2, Revision 2 (Will receive with turbo and install during upgrade) NGK Laser Iridium Spark Plugs (In possession, Mechanic, plans on gapping to . My 2011 335 N55 HPFP was weak and failed the dealer bleed down test. The kit drops right in with full control from the DME, just like the OEM pump. N55 HPFP Installation . This is a complete plug-and-play kit to support 650whp and also allow for full E85 up to 500whp (these numbers can var That is the stock HPFP on all N54's and N55's up until 03/12 where they switched to a plunger style HPFP. It is capable of up to 180bar / 2600psi Jul 27, 2019 · In theory, you can take the F HPFP and Fan Pin and put it into the E chassis vacuum pump housing, but congrats, you just created an F chassis Vacuum Pump/HPFP, with the same F chassis internals and drive as you started with, and will run into the same compatibility issues with the tensioner. B58 ECA Kit Installation. Anyone done their own hpfp replacement/install? I'd like to know whether we (xdrive f10 n55s, with the non-continental style hpfp) need to remove the intake manifold or can sneak around it once the CP is off. Had to replace the hpfp to dorch stage 1 which had the same issue, then at some point, B58TU become popular and I see many people claiming over 500 hp with B58TU pump with bigger turbo. 3. My car has the new style HPFP but has the older connector. 47 (just downloaded it) with support for Dorch Engineering HPFP's (B58/N55 ). You can try to unplug the larger connector going to the EKPM (PT-CAN High/Low, Power, Ground) and leave the other connector plugged in (that is the low pressure pump control harness). You may need to rotate the pump slightly to install these to gain clearance to the pump bolt heads. The cutting normally required on this pump to make it fit the N55 has already been done, so it's plug and play from there. DS25-250 HPFP Specs DS25-250 DS25-250+ 38% N55LK DS25-250+ 49% N55LK Flow Potential Gasoline 750whp 900whp 1000whp Flow Potential E85 550whp 690whp 770whp Operating Pressure 250 Bar 250 Bar 250 Bar Welcome to the home of the highest powered direct injection N55 cars on the planet! If your power goals extend beyond the Feb 24, 2023 · The symptoms of high-pressure fuel pump (HPFP) failure in a BMW can vary, but here are some common signs to look out for: Engine Misfires. Hopefully, one is in the offing. While the factory fuel system is adequate for stock vehicles these engines quickly run out of fuel with even basic performance upgrades. Fig 9 10. Pictures should be in my next post. The BPM4 and S2 LPFP (Walbro 525) arrived last weekend along with the fuel-it kit (lines, ethanol analyzer etc. Select options; N55 Complete DI May 28, 2024 · Installing the flex fuel kit wont do you any good with stock HPFP because you cant run either ethanol blends without HPFP crashing. My 335i has 116k miles on the odometer and it's been driven pretty hard on the track. _____ Dorch Engineering N55 DS25 HPFP Upgrade (M2, 135i, M135i, M235i, 335i & 435i quantity. Hi Brendan, Thank you for reaching out! We have successfully run our HPFP on Bootmod3 and Ecutek. Apr 20, 2024 · NOTE: The N55 generally has a hard time supporting more than 30-40% E85 due to a weak High Pressure Fuel Pump (HPFP). FCPEURO has a how to install the connector on YouTube with the N20 engine. Stay tuned Enhance your BMW N55 with the Dorch Engineering N55 DS15 HPFP Upgrade, supporting up to 750whp. The BMW B58TU / Supra Fuel Pump (HPFP) is a stock off the shelf pump made by Bosch that packs a punch! While this pump is considered a stock pump for the Toyota Supra and B58TU engines it is a nice upgrade for Gen 1 B58 customers as well. I saw some videos of people installing a b58 hpfp onto a n55 engine. Is there anything I need? The Dorch N55 High-Pressure Fuel Pump Upgrade (stage 1) is a complete plug-and-play kit to support up to 550whp*. Nov 24, 2022 · After months of R&D we have finally released the world’s first B58 HPFP upgrade! Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. Engineered to flow 70% more fuel than stock and 4% more than the original Big Bore, the Gauntlet sets a new standard in high-performance fuel deliver Dec 31, 2019 · Here's what came bundled with it : My impressions : Installation was a breeze according to my mechanic. 00 N55 HPFP Installation. That’s standard on direct injected engines like the N54, N55, S55, B58, S58, etc. Apr 23, 2018 · +1 would love a 'solution' to late E9x N55 HPFP rail pressure issues under high boost. Install HPFP block off plate in place of factory HPFP using the 3 allen bolts / washers in Bag 2, tighten bolts to factory specs. We have yet to validate the pump on MHD but it is something I am looking into. 25. Oct 2, 2024 · I have posted a lot about my Pure500 experience. Apr 19, 2019 · Car: 03/2011 N55 Parts Considering To Purchase: 13537620946 - Bosch Fuel Pressure Sensor 13517616446 - HPFP 11787596924 / 11787589475 - Pre Cat o2 Sensor Need any additional info let me know, Trying my best to fix and keep him on the road. Oct 29, 2021 · Part 2 : https://www. This Assembled By ECS High Pressure Fuel Pump Replacement Kit (Mfg#13517616446rKT) fits BMW N54 3. With some modifications to the b58 hpfp mounting surfaces by cutting and drilling mounting holes. L KIT PART #: H086-0715 1 2 2. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input. ca. But with the expense of the XDI pump, I now am considering a Port Injection kit and potentially either running full E85 or still just 93 octane. Just a brief video of N54/N55 HPFP failure symptoms along with a rough bit of inst Dec 16, 2020 · Absolutely worth it and here is why. Hand tighten the low-pressure line AN female fitting to the high-pressure fuel pump male AN fitting. we are introducing the The EKPM supposed to go into emergency mode if it there is a problem. But my N55 is not the only one cited on this forum with HPFP failure. The Precision Raceworks F-SERIES N55 HIGH PERFORMANCE FUEL PUMPS are designed for customers looking to run all blends of E85. Install the two M6x25mm stainless steel flange bolts to the flange. 9. However, it’s actually the high-pressure fuel pump (HPFP) that is the first limiting factor. As we tune higher and higher, stage 2 and beyond, big turbos and *especially* E85, your LPFP can badly lag behind. These calculations are based on the N55 cam lobe. Please follow my Instagram for more BMW content @_ericsanchez Mar 6, 2023 · Here is a video I made to help you be more prepared for the job of replacing the high pressures fuel pump. ปั้มไฮ Dorch Engineering N55 DS25 HPFP Upgrade BMW M2 F87 335i 435i. 018; HPFP: TTFS/XDI-35 HPFP Upgrade For N55; Tune: MHD/Wedge/Steve B; Stock turbo, stock LPFP; Fuel: Pump 93; Data: Before (stock HPFP) on pump 93 (note fuel pressure drop, causing motor cut out) After (XDI HPFP) on pump 93 (solid fuel The B58 HPFP is only better because its volumetric efficiency is slightly better than the N55 HPFP. Have a 13518631642 that will arrive on monday that I will install 22. It's an upgraded version of the N55 HPFP (HDP5). All the posts I read last night (searching for 135808) indicated higher mileage N55's were susceptible due to wear. I've been told the later N55 HPFP pumps don't flow as well as the earlier pumps (I've already upgraded the LPFP - didn't notice any major change). ). 27. F40Model Year: 2019 + Previous Generations; F20 / F21Model 2016 F87 N55 M2 Aug 17, 2015 · Doubt you have an issues with your injectors. NOSTRUMSHOP. My initial plan was to upgrade the HPFP and run only 93 octane, while targeting 20psi. At least, BMW has extended the HPFP warranty to 10yr/100k and, when the HPFP fails, nothing else is effected. Install the supplied plug-n-play harness adapter as pictured: 25. So as John said you either stick with the OTS maps, or you install a HPFP either with or without flex fuel kit and go to higher E blends and tunes with higher boost targets E81 / E82 / E87 / E88Model Year: 2004 - 2011. info but still have a few questions about this installation. NTRMHP. pfehi onpnxwa ocxol dcwv rqpt fbxij mgkcf dtndzm fcd akw