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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > HPFP :(



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      07-28-2012, 11:01 AM   #1
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HPFP :(

I don't drive my car all that often and it sucks balls that the HPFP finally got me

I have been experiencing the car shut down on power when I went Half throttle and or WOT. The car would just stop as its being cutoff. Took car out today and went WOT and it's was pulling until about 4500 rpms and then the loudest backfire I have ever heard, like a gun shot!!! Lol. Then the SES light which before it just stumbled and after stopping the car would idle all weird and stuff like misfiring, but turning on and off the car, everything was normal again until I went half or full throttle. Look at codes and I have all the usual suspects. 2a2d, 2aaf, and 29dc that it's a failing HPFP Sucks balls as I only have 10K on the odometer. Freaking water pump went out on me at 7000k. This car really sucks sometimes.
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      07-28-2012, 11:04 AM   #2
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Sorry to hear I am sure you will get it replaced under warranty
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      07-28-2012, 11:15 AM   #3
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Welcome to the club lol And yeah i feel the same way that this car really sucks at times, just cant see my self driving anything else though..
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      07-28-2012, 03:46 PM   #4
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Its like a game, its weird, my car has 80k and only had turbos replaced, dont worry op i hope it gets better for u,
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      07-28-2012, 03:52 PM   #5
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I think mine is going too, it has 97k and last night long cranck, half engine and it shuts ...
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      07-28-2012, 04:53 PM   #6
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We all have the HPFP extended warranty, 10y/120k, so don't sweat it guys!
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      07-28-2012, 05:55 PM   #7
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Quote:
Originally Posted by shortseller View Post
We all have the HPFP extended warranty, 10y/120k, so don't sweat it guys!
i have no warranty on my car anymore as it is expired as of June this year, and I am going to bring the letter of the 10year/120k with me to the dealership fully bolted on! lol I could imagine the look they will give me, but this is not a warranty issue here, but a recall of a defective part! Do you guys think they will give me shit about my bolt ons? They can't deny me warranty for a part thats on recall correct regardless if I am modded or not?

For those that had issues with their HPFP...besides the misfires, did anyone also get a huge loud BACKFire in the exhaust then coupled with SES light? I read alot of people just get misfires and then SES...I was pushing the car hard when it happened.
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      07-28-2012, 06:16 PM   #8
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I just unistalled my cobb but wondering about my bms dci, i do not know what my dealer is gonna say about that....
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      07-28-2012, 06:17 PM   #9
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Go to a service advisor thats not a dick, try hassel
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      07-28-2012, 06:31 PM   #10
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Either way I dont care a rats ass about the dealership...Warranty for a recalled item should be exchanged...If they dont want the work at least give me the recalled item and I find someone to do it for me, or worse case I man up and do it myself
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      07-28-2012, 07:04 PM   #11
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Lol chill out man. It was a recall. They'll take car of it. Worst case scenario just remove your mods if the give you shit about them.
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      07-28-2012, 08:25 PM   #12
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The car is throwing a 2A2D fuel low pressure system, fuel pressure code. When ever I hit 4000 rpms the car would just shut off power and then feels like it runs on 3 cylinders until I turn it off and then on. I have not gone WOT with this issue, but today I wanted to test it WOT and it when I hit over 4500 rpms there was a loud backfire and the car threw a SES light...Checked the codes and were the following 2A2D, 2AAF, and 29DC. I cleared the codes and then took the car for another test and when I hit 4000 rpms the car felt like injectors cut off, let the car rpms go down and its fine, but as soon as I hit the throttle pass 4000 rpms, the car would just shut down.. I went home and checked codes again after the initial LOUD backfire which threw the 3 codes I posted above along with SES light and this time I got 2A2D code for the low pressure system...I checked with inpa for the fuel low pressure sensor...What do you think? Its just the LPFP or my HPFP going bad....Check out INPA and the low pressure sensor reading...Is that normal for such a low reading?
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      07-28-2012, 10:34 PM   #13
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Quote:
Originally Posted by cn555ic View Post
Either way I dont care a rats ass about the dealership...Warranty for a recalled item should be exchanged...If they dont want the work at least give me the recalled item and I find someone to do it for me, or worse case I man up and do it myself
im sure they will do it

whats still much more shocking, is that you only have 10k miles on it still
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      07-29-2012, 05:13 AM   #14
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I took my car FBO to replace my hpfp twice, all good.
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      07-29-2012, 11:53 AM   #15
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Not a very exclusive club this is it unfortunately!
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      07-29-2012, 03:20 PM   #16
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Spoke to Shiv and based on my codes and the way the car is acting up, he thinks it's my LPFP. I just took out my rear passenger seat and it doesnt seem like a hard install and replacement. I am going to change it out myself. Hopefully it's my problem.
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      07-29-2012, 03:25 PM   #17
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Hey. You can follow this DIY video

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      07-29-2012, 06:45 PM   #18
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Guy is it part 1 that I get?? I dont need part 2 just to change out for a failing LPFP...
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      07-29-2012, 07:20 PM   #19
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http://www.autopartswarehouse.com/de...e&apwidtgM7CIX

I just placed an order...For 222 bucks I will give it a shot hopefully it will address my issues...If not then I guess its the old HPFP!
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      07-30-2012, 10:22 PM   #20
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Ordered the low pressure sensor today...$67 bucks. Meanwhile the LPFP is being delivered tomorrow via UPS! That was pretty quick considering I ordered it Sunday night! Keep you guys posted of my progress
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      07-30-2012, 10:25 PM   #21
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its probably just a faulty low pressure sensor.. honestly.. easy fix and not that exensive.. even hpp are not that expensive anymore
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      07-31-2012, 09:15 PM   #22
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Decided to change out the LP sensor first like some suggested...Hope it fixes my issues...If not then my next move is changing out the LPFP...

POS LP sensor was a bitch to get to...Intake, charge pipe, throttle body, Intake manifold all had to come out to get to this stupid sensor FTML

Once you have access to sensor it take literally 2 minutes to get out.

A pic of the POS sensor that was changed out.
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