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E28 (1982 - 1988)

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  #1  
Old 05-06-2011, 12:29 PM
Jorge11 Jorge11 is offline
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Location: Minnesota
 
Join Date: Apr 2011
Posts: 5
Mein Auto: 528E
Problem With Fuel Pump?

I was driving my 1988 528E on the freeway going around 60MPH yesterday when all of the sudden the car started to lose power. I let my foot off the gas and pressed it again and the problem stopped for about 1/2 mile. Same thing happened again accept when I left off the gas and pressed it again, I gas pedel felt REALLY lose, went to the floor with almost no resistence. The car then died and it took a good couple of tries to get it started.
When I did get it started i drove it around a parking lot for a little bit and it seemed alright, a little rough but w/e, untill I accellerated to 15-20MPH, the car showed the same problems as before and died again.

I suspect it may be the fuel pump, but I wanted to get some of your oppinions on this before I invest the $200 in the part.

Also I cleaned my throttle body about 2 weeks ago and it worked fine until yesterday,
Could this be the problem?

Any help on this subject would be greatly appriciated by me, and my wallet.
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  #2  
Old 07-20-2011, 04:14 AM
ernesto50 ernesto50 is offline
classic
Location: nashua n.h.
 
Join Date: Jul 2011
Posts: 4
Mein Auto: 1985 735i bmw
fuel pump

check ebay i have a 1985 735 pretty sure we have the same pump but it is 46 bucks, also might be nrrd tune up.
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  #3  
Old 08-12-2011, 12:32 PM
jimoreno jimoreno is offline
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Location: Parsippany, NJ
 
Join Date: Jul 2006
Posts: 487
Mein Auto: 2006 X3
Your main fuel pump is dead. it is located under the right rear tire area (above the half-shaft, next to the differential). The car dying down slowly is the fuel pressure going down as the in-tank transfer pump cannot supply the pressure. Good time to change the fuel filter and hoses in the area.
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1995 530i
1986 535i
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