Yes replace fuel delivery module and then go to step 3. Vapor formation in the fuel system from fuel quality characteristics of certain winter fuel blends along with high engine compartment temperatures. The car does have a conventional pump in the tank going to the front running normal pressures. Fuel high pressure system, octane rating, register battery. To get a replacement today, take advantage of the same day store pickup option when you order online from autozone. How to check your fuel pressure on a bmw using the shrader valve and a fuel pressure gage. Bmw remanufactured high pressure fuel pump genuine bmw. I counted 38 nearly identical complaints regarding bmw 335 and 535 models from 2007 to 2010, most of which mentioned problems with the highpressure fuel pump hpfp used in these models engines. It delivers up to 35% more fuel flow when mounted on the same camlobe. The operation of a highpressure, pistonplunger fuel pump oriented for use. When the fuel reaches the motor there is another high pressure pump 200bar that is driven of the camshaft sprocket. While driving 75 mph, the vehicles power seized and the high pressure fuel pump warning indicator illuminated.
The high pressure fuel pump componentspecific limited warranty extension to 10 years120,000 miles applies to eligible usspecification bmw vehicles that are registered, operated and have their covered repair performed by an authorized bmw center in the united states including puerto rico. Owners may contact bmw customer service at 18005257417. Bmw direct injection high pressure fuel pump 517595339. Bmw has redesigned and reengineered this part multiple times do to reliability concerns. But if you have an n55 like me, sorry, no extra warranty for you. If the fuel pressure is too high, the engine will run rough and rich, not. Do not drive the vehicle until you find the source. A tbi pump may have a normal current draw as low as 3 to 5 amps, with pfi pumps pulling 4 to 6 amps on average.
Bmw fuel pump recall bmw directinjection turbocharged recall. Jun 30, 2012 how to check your fuel pressure on a bmw using the shrader valve and a fuel pressure gage. Maximum fuel pressure is 200bar 2900psi oem 150bar2150psi. Dec 08, 2014 the low pressure fuel pump is what siphons gas from the gas tank and sends it to the high pressure fuel pump. Get the best deals on fuel pumps for bmw 535i when you shop the largest online selection at. Home xdi di fuel system xdi high pressure fuel pumps gdi high flow pump xdihpfp for bmw n55. Less shims delivery ends earlier higher number of degrees. It delivers up to 45% more fuel flow when mounted on the same camlobe. Bmw high pressure fuel pump in south africa gumtree. From there, the high pressure fuel pump pressurizes the fuel enough to spray the fuel into the combustion chamber. Automotive companies audi, bmw and man for the financial support. Bmw will notify owners, and dealers will replace the fuel pump, free of charge. Even though we used a 2011 335i to perform this repair, this article can be applied to any bmw vehicle with the n54n55 turbocharged engine including the 1,3,5,7,x3,x5,x6,z4 series with minor modifications to the repair steps. Denso diesel fuel pump hp3 dismantle proce duration.
Pdf characteristics of the diagnosing process of highpressure. Oct 26, 2010 bmw said about 40,000 of the vehicles are expected to require a new, high pressure fuel pump. High quality fuel injection pump for bmw e90 and other models. Bmw high pressure fuel pump location replacement explained f30 f31 f32 f33 f34 316i 318i 320i 328i 418i 420i 428i if you are trying to find where the high pressure fuel pump is located on bmw. It delivers up to 35% more fuel flow without any other changes to the fuel system. This is part 1, part 2 comes soon, please enjoy it and comment and have fun.
High pressure pumps, like those in port fuel injection pfi systems 35 to 45 psi, require more current than low pressure pumps in throttle body injection tbi applications 9 to psi. At the proper time, the diesel fuel is injected into the cylinder by a fuelinjection system, which usually consists of a pump, fuel line, and injector or nozzle. We have a 1 year old 330i touring and have been told the fuel pump has failed. Also beware if your pump fails during wot you could get some nasty leaning occurring these pumps are a bit different. Designed to replace your worn out or damaged fuel pump, this product guarantees oe fit, form, and function. Replace high pressure fuel pump for bmw in case of defects or service life expiry. Correction replace low pressure fuel pump along with revised dme software control strategy of the new low pressure fuel pump. In modern cars the tolerances in fuel pressure in your system can be very tight. If pressure is exceeded, a springloaded membrane allows the returnflow channel to open, permitting excess fuel to flow back into the fuel tank. This high ratio causes increased compression pressures of 400 to 600 psi and cylinder temperatures reaching 800f to 1200f. If this goes it will prevent your car from running or starting due to fuel starvation. This copy of the bmw d7 workshop manual has been recreated using images. This gdi high pressure pump was developed to replace the bosch oem high pressure pump.
Double check to make sure it actually is the intank pump thats failed and not the low pressure pump. Universal bosch common rail cp1 high pressure fuel pump orings seal. A proper bmw 325i fuel pump is the first step to ensure that fuel is fed into the fuel tank effectively. Bmw high pressure fuel pump replacement 1,3,5,7,x3,x5,x6. Bmw high pressure fuel pump problems spotlight automotive. Plug high pressure pressostat to electromagnetic coupling. Prediction of cavitation and induced erosion inside a highpressure.
This gdi high pressure pump was developed to replace the denso oem high pressure pump. Genuine 517616170 high pressure fuel pump for bmw n54n55 engine335i 535i 535i. Ignoring the rules of operation will result in incorrect operation of the engine and other systems. Buy cheap high pressure fuel pump for your bmw e90 online on the site. High pressure injection delivers power and fuel consumption benefits over earlier. High pressure fuel pumps, or more simply hpfps, are a common trouble item on n54 powered bmws. A fuel pump is a frequently but not always essential component on a car or other internal.
Bmw e90 fuel pump testing e91, e92, e93 pelican parts. This is a high pressure fuel pump for bmw n54 and n55 motors. Fuel pressure regulators maintain a defined fuel pressure. The high pressure fuel pump hpfp is a point of weakness in many bmw engines and fuel systems. To get a replacement today, take advantage of the same day store pickup option when you.
It used four plunger pumps to deliver a pressure up to 3,000 pounds per. Click here to download the list of dtm ltd injectors in stock and available for next day. Get the best deals on fuel pumps for bmw x6 when you shop the largest online selection at. Affected models include the 2007 to 2010 335i series, the 2008 to. Sep 20, 2015 mechanically can the pump failure cause damage to injectors. Universal bosch common rail cp1 high pressure fuel pump o. A defective fuel pump can cause a nostart condition or poor engine performance. High pressure fuel pump for bmw n54n55 engine 335i 535i x5 x6 z4 e70 e90 e60. These engines take the 5 bar about 75 psi of fuel pressure from the fuel pump inside the fuel tank and turn it into around 50 bar 735 psi of pressure to operate the high pressure fuel injectors. The first several versions of it were junk, and failed early and often. High pressure fuel pumps, or more simply hpfps, are a common trouble item on n54 powered bmw s.
High pressure fuel pump bmw is a component of the fuel system. Bmw poised to recall hundreds of thousands of directinjection turbocharged cars because of highpressure fuel pump problems. The high pressure pump is of the same design as the high pressure pump used on the n54 engine. The two most widely used fuel feed pumps are diaphragm and plunger type mechanical pumps. This time it involves the high pressure fuel pumps. The 2014 bmw 328 has 35 nhtsa complaints for the fuel propulsion system at 56,088 miles average. Bmw said about 40,000 of the vehicles are expected to require a new, highpressure fuel pump. Bmw e90 fuel pump testing e91, e92, e93 pelican parts diy. Fuel pump high pressure pump on engine rebuilt factory rebuilt part with full 1 year warranty.
This is about bmw 1 series died on the road with fuel pump breaking in pieces. If replacement is required, your best choice is spectra premium. The high pressure fuel pump has been known to be a problem in many bmw models. Bmw fuel pump recall bmw directinjection turbocharged. The low pressure fuel pump is what siphons gas from the gas tank and sends it to the high pressure fuel pump. A failed hpfp can cause your car to go into limp mode or in extreme cases will leave you stranded on the side of the road. Also describe and give examples of a bad a vehicle with bad fuel pressure. Common rail direct fuel injection is a direct fuel injection system for diesel engines. As well as the appropriate rms value and a probability density function pdf of the droplet. Repair summary this article covers replacing the high pressure fuel pump in a bmw e90 with the n55 turbocharged engine. This unit is sensitive to the quality of fuel and needs regular inspection and maintenance.
Externally mounted electric fuel pump high performance replacement fuel pump. Questions bmw bmw 335i 2007 bmw 335i about high pressure fuel pump. This assembly is manufactured with the precision, technical knowhow and over 75 years of expertise experience to deliver unmatched quality that improves upon oe. Article information, pdf download for prediction of cavitation and. Diagnose fuel pump amperage draw amp test motor magazine. Maximum fuel pressure is 200bar 2900psi, the same as the oem pump. The pump is endurance tested and validated by accredited, third. I counted 38 nearly identical complaints regarding bmw 335 and 535 models from 2007 to 2010, most of which mentioned problems with the high pressure fuel pump hpfp used in these models engines. The 2014 bmw 328 has 35 nhtsa complaints for the fuelpropulsion system at 56,088 miles average. High pressure fuel pump failure page 1 bmw general.
High pressure fuel pump install on a 2007 bmw 335i. Highquality fuel injection pump for bmw e46, e39, e36, e34, e30, 700, e60,e61, 3 touring, 5 touring and other models you will find on the site. Not intended as a direct dropin replacement for your oem electric fuel pump our universal electric fuel pumps are suited for custom vehicles, and replacing select obsolete mechanical fuel pumps refer to the universal fuel pump application reference guide for details. Conversion, control fuel feed pressure new target integration level. Highpressure pumps, like those in port fuel injection pfi systems 35 to 45 psi, require more current than lowpressure pumps in throttle body injection tbi applications 9 to psi. The fuel pump needs to be able to send a certain volume of fuel at a certain pressure constantly. Oct 26, 2010 bmw poised to recall hundreds of thousands of directinjection turbocharged cars because of high pressure fuel pump problems. Jul 23, 2015 big surprise, the n63 engine has a recall. If you are having issues with the performance of your engine you may have a fuel pump going bad. Direct injection high pressure fuel pump by spectra premium. Gasoline direct injection key technology for greater efficiency and. Bmw 116d high pressure fuel pump issues part1 youtube.
Restore your fuel systems operation with high quality oe bmw fuel pump. If it smells like fuel, check the fuel tank or lines for leaks. High pressure fuel pump a pressure of 200 bar is only required at high load and low engine speed. This gdi high pressure fuel pump was developed to replace the bosch oem high pressure pump. Diesel engines, equipped with high pressure commonrail fuel injection. This service is typically done as part of a bigger, more.
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