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N54 Owners. Stare Your Pain in the Face.

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Old Aug 5, 2010 | 07:06 AM
  #21  
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Originally Posted by FRONJONI
I read it on e90post i believe.
I did find tons of hpfp failures.
But I also read that the number of failures reduced significantly after the new fuel pump (9xx) was issued to the n54hp.
I read it for post midproduction 08 models.
interesting...I continue to read hpfp failures no matter which part number/version/MY..perhaps a reduction, but we shouldn't be satisfied with a reduction...BMW needs to permanently fix the problem...and as you eluded to, an aftermarket hpfp would make sense..but non available...CP-E was supposedly working on one...but nothing as of yet...
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Old Aug 5, 2010 | 08:00 AM
  #22  
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Originally Posted by GENEaTALS
interesting...I continue to read hpfp failures no matter which part number/version/MY..perhaps a reduction, but we shouldn't be satisfied with a reduction...BMW needs to permanently fix the problem...and as you eluded to, an aftermarket hpfp would make sense..but non available...CP-E was supposedly working on one...but nothing as of yet...
Even if BMW were to 'fix' the issue, I would still buy an aftermarket pump for the purpose of modding and high horsepower.
VW have a direct injection twin pump design and they were able to come up with an aftermarket solution. Their TT DI models also suffered from HPFP failures.
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Old Aug 5, 2010 | 09:53 AM
  #23  
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My Ride: 2010 VW Passat Wagon 2.0l Tsi Grey/Grey Budapest 18" Lost to HPFP issues: 08 535i sport pkg Lost to Dreaded E61 Sun roof leaks: 07 E61 530Xi
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You all know they are still failing on 09-10-and now 11's...
Couple bought a 2010 x6 x35x drive yadda yadda and picked it up at the GS plant, and the fuel pump failed in the parking lot, the parking lot! This was at Bimmerfest

Other stories have some even making it 400 miles in the Smokies before failing and a SOS call later....

It's just a ticking time bomb...
N54 HPFPs= THE REAL REASON the N55 was made so fast, not emissions or Fuel Econ
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