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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: N54 HPFP Replacement



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      01-11-2020, 04:51 PM   #45
lostsailor
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What does the hpfp bolt too? I broke this part when install my new hpfp and need to new one but don't know what it's called.
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      11-08-2020, 01:02 PM   #46
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I just did this job last night and now I'm getting 002a9a crank shaft - Intake camshaft sync code. I know the camshaft sensor is in front of the engine, but does it terminate in that black box that is hell for everyone to get off?

Anyone have a diagram of the box, I'm wondering if I pulled too hard and broke a connection. I didn't get this error prior to changing the HPFP.
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      11-24-2020, 11:35 AM   #47
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I noted that this HPFP is $550 ish from FCP Euro over the summer. I looked the other day and was shocked to see the price is now $744. I hope mine doesn't need replacing anytime soon, yikes.
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      05-06-2022, 11:29 AM   #48
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subing / reviving Now the cost at FCP Euro is $933!
Anyone use a reman one? ebay reman OEM's are about 200. Links for replacements please. Sucky thing is I looked through the records from previous owner and it was replaced at dealer at 51k in 2015 now its got only 84k as I dont drive it much. Thats 33k mi and the F%&king thing is down again.
I get the very rough idle / stall then if I rev it a little it will run then CEL and fans go full on 29F2 and 2B2C codes.
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      10-07-2022, 10:46 AM   #49
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replaced HPFP and now get 29DC (10716) Fault Code

Hello everyone, I would really appreciate some advise. I initially had the code for the HPFP and had it replaced. Now I get the 29DC (10716) Fault Code which is "The cylinder injection switch-off code indicates the N54 is not flowing enough fuel."
I do own a standalone machine that plugs into the car to read faults and clear them but not sure if it can help me to find the root cause of the problem.
Should I simply buy 6 new injectors and have them replaced?

Any advise would be highly appreciated.
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      10-23-2022, 08:38 PM   #50
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For anyone wondering, this HPFP worked great for me.
https://ebay.us/V7mG2N
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      01-10-2023, 03:51 PM   #51
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The HPFP is $960 on FCP and it is a remanufactured pump! Read the Description. They can be had for $120-140 on eBay. Some are remanufactured and some say genuine. For that kind of price difference, might have to go eBay lol.

I'm not sure if my cars still have the original HPFP or not (2007 and 2008 at 6k and 60k miles). There was no mention in the Carfax of any replacement. Running fine for now tho. Will definitely DIY when the time comes.
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      12-05-2023, 06:55 PM   #52
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Hey, having this tool is really helpful for the 3rd and hard to reach 5mm hex bolt on the HPFP

GEARWRENCH 3/8" Drive Long Ball End Hex Bit Socket, 5mm - 80443 (search Amazon or Harbor Freight)

And yea, I'm doing a walnut blast next.
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      01-02-2024, 05:50 PM   #53
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Thank for the suggestion on the extra-long 5mm hex socket tool. I bought it just before I replaced a HPFP and it was very useful, almost essential.
BTW - in an attempt to give myself even more room, I started to removed the sensor next to the HPFP which was a bit in the way. That was a MISTAKE, as lots of oil started to come out; perhaps its the oil level sensor.
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      02-01-2024, 08:30 PM   #54
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Quote:
Originally Posted by R3dLeader View Post
The HPFP is $960 on FCP and it is a remanufactured pump! Read the Description. They can be had for $120-140 on eBay. Some are remanufactured and some say genuine. For that kind of price difference, might have to go eBay lol.
Not true anymore. FCP Euro now carries only the brand new, Genuine BMW HPFP, which is also the most up-to-date version of this pump. The price is now $1,025, which is pure highway robbery, but the APALLING track record of remanufactured pumps on eBay and Amazon is becoming evident, because all of those are the first (and worst) revision of the pump, which continue to fail, especially after being "remanufactured" in China and elsewhere. I saw a video on how they do it, and it's a disgrace. They probably get all of their pump carcasses from the BMW recall and throw in another seal, which doesn't last. There are many moving parts inside that pump that are exposed to extreme pressures, and a solenoid that is fed with a PWM signal to modulate the output pressure. None of those parts are replaced... only the seal, which is NOT the only thing that fails!

At least, with a genuine pump from FCP Euro, the likelihood of failure is much smaller, and they will replace it for free if it does fail.

Here's one typical review from FCP Euro:
"Don’t waste your money on eBay pumps - get this instead!
I made a mistake and bought HPFP on eBay, it failed after 14k miles, now replacing it again because I started to have long cranks and limp mode. Had 2BDE shadow code, this fixed that all. Car feels much faster too, felt like I lost 50-70hp with old pump from eBay."

Last edited by GSB; 02-01-2024 at 08:51 PM..
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      02-01-2024, 09:44 PM   #55
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I bought a brand new pump, partly because it was being installed in my daughter's car who lives 1200 miles away and makes 2400 mile trips several times a year to visit her parents. Obviously its a tricky part which has been problematic and frequently updated; so you definitely want the latest version.

If it were easy to replace, as it is on some cars, I would consider a cheap one for my own car; but on the N54/N55 engines you cannot realistically replace it on the side of the road.
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      02-02-2024, 01:47 AM   #56
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Quote:
Originally Posted by mrvedit View Post
I bought a brand new pump, partly because it was being installed in my daughter's car who lives 1200 miles away and makes 2400 mile trips several times a year to visit her parents. Obviously its a tricky part which has been problematic and frequently updated; so you definitely want the latest version.

If it were easy to replace, as it is on some cars, I would consider a cheap one for my own car; but on the N54/N55 engines you cannot realistically replace it on the side of the road.
And this is very true!
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