[Oulixes]

Originally Posted by bicoastalbmw

07' 335i....on it's 4th HPFP as of yesterday.....2nd one in 60 days.

Supposedly I received the "new" part manufactured by the new vendor for BMW in December.....still no good.

I opened a case with BMW yesterday and asked them to buy the car back. I am the 2nd owner (CPO), first owner had it replaced under a recall notice 1 time - I assumed that fixed the problem....I had not read all the posts.

The representative made it sound like it would be no problem since it has been in the shop for 45 of the last 60 days.

When I took it in yesterday after going into Limp mode on a rainy slicked freeway, they advised it was a bad injector in cylinder #6 (I was having long cranks for about 4 days). I had to argue the point to test the HPFP regardless of no fault code. They were reluctant but did it...3 hours later they replaced the HPFP as well.

Sorry for your trouble. I gather that the last pump that failed in your car was made in December 2009. Since you are the 2nd owner, you likely do not know if the part number of the last failed pump was -881 or -943? It would be interesting to find out, since -943 has so far not been reported as failed. I can understand your frustration - good luck in your case with BMW.

[FJc335]

Originally Posted by jt335i

That really really sucks!
I bought my 2010 335i on Dec 30th (build date 10/2009) and now I'm starting to wonder if or when this is going to happen to mine.
It has 650 miles and so far it's been running fine.
Now every time I take it out for a spin, this problem is going to be in the back of my mind.

JT

The same thought was on my mind during the 16 hr drive to FLorida...

[FJc335]

Anyone know if the failure case are more or lesser in Auto / manual ?

[carve]

If someone has a connection with the techs, could you ask WHAT exactly is failing in the HPFPs? Piston/cylinder wear? Bearings? Actuator? Swash plate? Until we know this, it'll be very difficult to get a good idea on what could be causing the problem.

[inter1032]

wow this doesnt look good
does the 328 have this problem too?

[Sp82]

Originally Posted by inter1032

wow this doesnt look good
does the 328 have this problem too?

no...N54 twin turbo engine only.

[Benny]

2000k miles on my 2010 335 coupe .... I have had some long cranks at start up already. I cant believe im heading for failure .... I drove the car real easy for break in period and used Sunoco 93 only. I experienced fuel pump problems when I had a eclipse turbo and I finally fixed it with a stock Supra fuel pump ..... I wish there was an easy solution for the n54.

[quattr0]

Originally Posted by Benny

2000k miles on my 2010 335 coupe .... I have had some long cranks at start up already. I cant believe im heading for failure .... I drove the car real easy for break in period and used Sunoco 93 only. I experienced fuel pump problems when I had a eclipse turbo and I finally fixed it with a stock Supra fuel pump ..... I wish there was an easy solution for the n54.

Please read the FAQ again. I just updated it (mainly no. 10)

I believe I have mentioned this several times....this HPFP is very minor for those of us who love the cars so much and so lucky that we only have to replace it once so far.

I understand for those that continuously have multiple failures, it is unacceptable and I already listed the options in number 8.

I guess what I am trying to say is we all are tired of hearing users complaining about HPFP failures; thus, I created this FAQ to provide additional information and in the hope that we won't have to see users posting the same thing over and over again.

Cheers!

[KRB_E90]

Originally Posted by quattr0

Please read the FAQ again. I just updated it (mainly no. 10)

I believe I have mentioned this several times....this HPFP is very minor for those of us who love the cars so much and so lucky that we only have to replace it once so far.

I love my 09 335 E90 M-Sport - going to be a rare bird here in the US w/N54 - I had to replace my pump at 6k miles and my car has some electrical issues going on too. I do think ethanol has a lot to do with this (and injectors) and it's only going to get worse as they are pushing for a 15% BLEND of Ethanol.

For me if I have to Lemon so be it - I'll gladly take my money back and jump in a M3.

[chuckindivide]

Originally Posted by KRB_E90

... I do think ethanol has a lot to do with this (and injectors) and it's only going to get worse as they are pushing for a 15% BLEND of Ethanol.

I also suspect the ethanol might be causing these failures. It is more corrosive than gasoline. And I don't think they use ethanol in Europe.

[cb4]

Originally Posted by Benny

2000k miles on my 2010 335 coupe ....

Wow. Thats some serious mileage.

[Oulixes]

Originally Posted by FJc335

Anyone know if the failure case are more or lesser in Auto / manual ?

The failure is related to the way the fuel is delivered in the N54 engine, so it does not depend on the transmission type. It may look as if there were more frequent problems on AT cars, since there are more of them than cars with manual transmission.

[Oulixes]

Originally Posted by TrackRat

Until BMW properly resolves the HPFP issues on x35i models you're going to see a lot of threads on HPFP failures. Best thing to do if they bother you is not click on the threads. You can't possibly be as pissed at multiple HPFP threads as BMW owners are of multiple HPFP failures and BMW's failure to resolve this issue after four model years. Until BMW properly fixes the problem everyone loses.

+1

[Clap135]

To the people that say "we love our x35 blah blah blah, I'll live with it" I do not understand how you can say this? If you have a modded car, you have to remove everything to bring it in. I had a fully bolted stage 3 meth 135, pump failed, brought it back to stock to get the pump replaced. Got the pump replaced, and pretty much didnt put the mods back on. Eventually i put on a tune and meth, pump failed. The first pump started cranking at 12,xxx miles, replaced at 18k, the second pump started cranking at 22k, now it has 24k and is going to the dealer this week. This car is the reason I will NEVER buy another BMW. I can buy a KIA and have less problems. This will be my 6th dealer visit in 12 months of ownership. That is insane.


BTW 09 135 6mt
feb 09 production date

[set0]

Thanks for the info.

My brand new 335i started cranking 3-4 seconds on cold starts last week with around 1.8k miles on the odometer. I am still driving the car up until now as if it is still within the "break-in" period, so the cranking was quite alarming. I grew suspect of a larger problem brewing and found this thread and learned of the issue for the first time. It's really unfortunate that I didn't do my research before buying the car.

Some specifications:
- 2010 335i E90 Sedan
- Built: Sept. 2009 (in Germany)
- Purchased: December 12, 2009 (w/ 7 miles on odo.)

I'm sure you're all tired of hearing about new people with the same problem. I just wanted to let buyers and future customers be aware that this issue still exists in the new makes. Save yourself the trouble and wait for a solution!

Seems like these cars are being built to fail.

[quattr0]

^^ Thanks. Is it possible that you could take the picture of the tag that has the build date on the driver side and post it here?

[quattr0]

Originally Posted by Clap135

To the people that say "we love our x35 blah blah blah, I'll live with it" I do not understand how you can say this? If you have a modded car, you have to remove everything to bring it in.

Perhaps they either

1. Don't have a fully modded car (I don't)
2. They don't mind removing the parts or they don't care about warranty or their cars no longer have warranty and they would go fully modded.

[SmoothStyle1]

Any reason why BMW just doesn't do an across the board recall for these? Seems like that would eliminate much of the stresses and hassles associated with a fairly common problem.

[KurtV]

Even the New York Times is reporting on this. Here is from Jan. 21, 2010 -

BMW Some 2007-8 335i, 335xi, 535i and 535xi models with the twin-turbo 6-cylinder N54 engine may develop a fuel pump problem that results in extended cranking time when starting or the engine control system defaulting to fail-safe mode. In T.S.B. 130309 issued on Nov. 1, BMW said it would extend the fuel-pump warranty on those cars to 10 years or 120,000 miles, from four years or 50,000 miles.

http://www.nytimes.com/2010/01/24/au...emc=wheelsema4

[uym3]

i WAS going to pick up a 335i tomorrow, but after reading all this make me want to reconsider, but i want it so bad..

[skeptic]

Originally Posted by BayMoWe335

The 120k mile warranty doesn't apply to 2009s and 2010s...yet.

SI B13 03 09 has been updated to include 2009 MY. Note it still refers to ...881 being the "New" pump.
...
SI B 13 03 09
Fuel Systems January 2010
Technical Service

This Service Information bulletin supersedes SI B13 03 09 dated November 2009.

designates changes to this revision

SUBJECT
N54 Special Limited High-pressure Pump (HDP) Emissions Warranty of 10 Years/120,000 Miles

MODEL

MY 2007,2008, 2009 E60, E61 – 535i, 535xDrive with N54 engine

MY 2007, 2008, 2009 E90, E92, E93 – 335i, 335xDrive, 335Ci, 335CixDrive, 335Cic with N54 engine

MY 2008, 2009 E82, E88 – 135is with N54 engine

MY 2009 E89 – Z4 sDrive 35i with N54 engine

MY 2009 E71 – X6 xDrive 35i with N54 engine

SITUATION
BMW has become aware of a potential problem that could affect the durability of the High–pressure Fuel Pump (HDP) of certain MY 2007, 2008, and 2009 BMW automobiles equipped with N54 engines. We estimate that only a small percentage of vehicles will actually develop a problem. Vehicles affected may have the Service Engine Soon lamp illuminated with various low fuel pressure-related faults (e.g., 29DC, 29F1, 29F2 ) stored in the Engine Control Module (DME). Also, the affected vehicles may experience an extended engine starting time ("long crank") or reduced engine performance ("engine failsafe mode") when the High-pressure Fuel Pump malfunctions.

CORRECTION
In the event that the High-pressure Fuel Pump of an MY 2007, 2008 or 2009 3 Series vehicle (335i/xi Sedan/Coupe/Convertible), MY 2007, 2008 or 2009 5 Series vehicle (535i/xi Sedan/Sports Wagon), MY 2008 or 2009 1 Series vehicle (135is Coupe/Convertible), MY 2009 Z4 sDrive 35i, or MY 2009 X6 xDrive 35i equipped with the N54 engine exhibits the symptoms listed above, it should be replaced with the improved part (P/N 13 51 7 592 881). For HDP diagnostic and replacement instructions, refer to SI B12 55 06 and RA 13 51 017, found in BMW TIS.

IMPORTANT:

Since Monday, October 19, 2009, a Part Replacement Authorization has been required (via submission of a TC Case) for replacement of the N54 HDP Pump on E82, E88, E89, E60, E61 and E71 vehicles. For details related to the "N54 Fuel System TC Action", refer to SI B13 08 09.

PARTS INFORMATION
Part Number Description

13 51 7 592 881 HDP High-pressure Fuel Pump

11 61 7 547 242 Profile manifold gasket kit

13 53 7 582 770 ASA bolt M8x17.5

[wwjbd24]

what percentage of 335s get HPFP? is there even a guess? i just dont want to worry too much