[jayy178]

So 2 weeks after I bought my 2007 335i CPO, engine malfunction light goes on after I start my car. It had very erractic revs from 1-3k RPM at startup. I tried to drive and looks like it went into limp mode and only has half the power.

Looks like I gotta go to dealer tomorrow and very well be a fuel pump issue. Can't believe its happened only 2 weeks after I bought the car though. I thought that the CPO check would've detected this already

[Rudeja]

Hey at lease it happen while in warranty.

[persian54]

psh it's a CPO.. meaning it's used

CPO means nothing

people have bought CPO and found tunes in the car

i bought my car with 3 miles on it, fuel pump died at 2xxx miles

so... you're case isn't a rare one my friend

like the post above said: be happy you're under warranty

[majin ssj eric]

Now you get beat the piss out of a loaner!!

[Repsol]

Its an inconvenience but since its a cpo car, be thankful thats all it will be, an inconvenience.

[jayy178]

yea thats very true. I just started up the car again to run to the store and the check engine light is gone and the car is running good again. I'm still going to take it to the dealer but is the fuel pump issue an intermittent issue or is it is something that is a continously running problem?

[RoundelM3]

Originally Posted by jayy178

yea thats very true. I just started up the car again to run to the store and the check engine light is gone and the car is running good again. I'm still going to take it to the dealer but is the fuel pump issue an intermittent issue or is it is something that is a continously running problem?

There is a so-called "cure" for the problem that involves a re-designed HPFP and software that allows the LPFP to prime the HPFP more quickly. I've also got a CPO 07 E92 and went through the same things you experienced until I had the "fix" installed. No problems since. Make a service appointment and let them know what happened, and they should take care of it for you.

Out of curiosity...how many miles on your car?

[jayy178]

yea I'm guessing its the HPFP and they'll replace it. I took it in this morning and they're looking at it and a few other minor probs I'm reporting just to get everything done at once.

I bought the car at exactly 42K miles. I'm glad I have the CPO for post-50K miles otherwise I'd be very worried with all the probs I've been reading on the forums

[kgb1637]

Well you have to know these aren't the most reliable cars on the road, my hpfp died about 5k miles ago, and its been problem free other than that the whole time I've owned it and im just over 21k miles now. Take it in, get it fixed and enjoy.

[RoundelM3]

As far as reliability goes, I've not once in 26K miles been stranded or unable to start/drive my car, despite 3 HPFP-related service calls. Each time it happened, it either was fine after restarting or it left the warning light on, but I was able to get it to the dealer without having it towed. The first failure I had resulted in a pump replacement, but it was before the "newer" pump was out; the 2nd one was the new pump, but the tech installed something wrong, causing it to fail again. The last time they got it right, but each of these incidents was always accommodated immediately by my dealer with a no-charge BMW loaner and all under warranty.

[jayy178]

dealership told me that it looks like a fuel pump replacement but they just need authorization from BMW Corp before work can be started. At least I got a 128i convertible for now to enjoy the sun

[CasperSYTFU]

think im going to be doing the same exact thing this week... happened twice today but cleared out... i'm taking it in later this week. but i had no long cranking starts or strange revs?

[fisherbln]

Sorry to hear that, but you're not alone. The fuel pump died 3 days after I bought mine. Still love the car though.

[John 070]

imho I don't think this issue is easily solvable. That's what I thought back in October, fuel pump, simple, leave the car, and pick it up at the end of the day. It died on the way home from the dealership not just that time, but two other times. It took five visits and over 12 days of keeping my car to fix it. I just gave a dealership 10/10 on their survey from last week on the VANOS issue, but where it said if I want to express anything to BMW engineering, I wrote a dissertation. N54 is one unreliable car, and to those who have had zero issues and 100k, that's wonderful, but there are others who have had lots of trouble with a capital T.

[RoundelM3]

Originally Posted by John 070

imho I don't think this issue is easily solvable. That's what I thought back in October, fuel pump, simple, leave the car, and pick it up at the end of the day. It died on the way home from the dealership not just that time, but two other times. It took five visits and over 12 days of keeping my car to fix it. I just gave a dealership 10/10 on their survey from last week on the VANOS issue, but where it said if I want to express anything to BMW engineering, I wrote a dissertation. N54 is one unreliable car, and to those who have had zero issues and 100k, that's wonderful, but there are others who have had lots of trouble with a capital T.

My take on it is that yes, the HPFP is a weak point, but IMHO, it's as much a dealer issue as a manufacturing defect. One of my HPFP replacements failed because a tech mis-installed one of the parts in the process; this is what the SA told me, so I'd say there are some dealer service departments that are more inept than others.

[John 070]

Originally Posted by roundel335

My take on it is that yes, the HPFP is a weak point, but IMHO, it's as much a dealer issue as a manufacturing defect. One of my HPFP replacements failed because a tech mis-installed one of the parts in the process; this is what the SA told me, so I'd say there are some dealer service departments that are more inept than others.

There's no question that a dealership cannot do anything outside the box. They're no different than a doctor (well one whose mouth is fed by an insurance co.). Man walks in with a pain radiating from his right side to the left, send him for an x-ray. BMW is the same way. They are as sick and tired of N54 problems as their owners, but they simply cannot afford to fix things properly. If they did that for every customer they'd be out of business. So they have a process by which the bare minimum is fixed, and hopefully customers will be out of warranty by the time the fix fails. And let's face it, so many people lease that maybe the lessee will be into another car when the fix fails.

The alternative would be the Park Ave. MD. He charges what he feels is necessary to treat the patient. On the other hand, he doesn't accept insurance and it costs $500 to consult. Believe me, if you are a cash paying customer, your BMW will be fixed right the first time. Under warranty is another story.

[brocken]

Originally Posted by John 070

Believe me, if you are a cash paying customer, your BMW will be fixed right the first time. Under warranty is another story.

I agreed with you until that part... If BMW has had all this time under warranty to fix a problem and it still exists I don't have faith that they will fix it the first time I have to pay for it. Just leads me to believe my car will be a money pit.

you're right that they do the bare minimum. I had a visit for the car running like terd. First visit they moved around coil and spark plug and called it good... had the same problem they next day and the car was back in a week later. This time they did actually replace an injector.
Part of the problem is BMWNA getting cheap on replacements but the other part is techs not following workflow diagrams. With the complaint and engine code I got it clearly says in the tech instructions either replace coilpack & plug or replace injector on bad cylinder...not replacing nothing but replace one or the other.

[RoundelM3]

Originally Posted by brocken

I agreed with you until that part... If BMW has had all this time under warranty to fix a problem and it still exists I don't have faith that they will fix it the first time I have to pay for it. Just leads me to believe my car will be a money pit.

you're right that they do the bare minimum. I had a visit for the car running like terd. First visit they moved around coil and spark plug and called it good... had the same problem they next day and the car was back in a week later. This time they did actually replace an injector.
Part of the problem is BMWNA getting cheap on replacements but the other part is techs not following workflow diagrams. With the complaint and engine code I got it clearly says in the tech instructions either replace coilpack & plug or replace injector on bad cylinder...not replacing nothing but replace one or the other.

You're forgetting that the HPFP issue is warranted for 10 years and 120K miles...so it's going to be a warranty claim no matter what. Your experience is all based on what your dealer does, not BMW. They get paid to do warranty work - it doesn't come out of their pocket, although they will sometimes do "goodwill" repairs, like replacing peeling trim and such.

BMW doesn't do any different than any other manufacturer, and actually does better than most as far as warranty claims go. The supposition that BMW can't "afford" to do these repairs is absurd. Again, it's all dealer people making decisions. I am lucky to have a great dealer and my car hasn't been a "money pit" any more than any other car I've owned - far less, actually, and I've owned 5 Porsches of various models and years. My experience with Porsche was very poor compared to that with BMW.

[brocken]

Wow, you didn't really read my post at all....
I'm not forgetting about the HPFP "warranty". If you read the post I've gone in for the same complaints but it's been other parts like coil packs or injectors... how would that be covered under the pump warranty?

And I did state that part of the problem is some lazy techs -not following BMWNA instructions.
But (and it's a big one), BMW is doing more and more to avoid putting fuel pumps in cars. They have TSB updates that say software, software, software to fix a HPFP "robustness" issue.

[caradd]

I had the engine warning come on after 2 weeks or so of ownership. Mine was not HPFP related though.

Ended up replacing the Exhaust Vanos.

[Potty_Pants]

Originally Posted by brocken

But (and it's a big one), BMW is doing more and more to avoid putting fuel pumps in cars. They have TSB updates that say software, software, software to fix a HPFP "robustness" issue.

It's just like polishing a turd...

ppp