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E34 (1989 - 1995)

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Old 12-24-2012, 01:15 PM
Zenith86 Zenith86 is offline
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Location: California
Join Date: Dec 2012
Posts: 3
Mein Auto: 1991 BMW 535i
Fuel Pump Issues

Hello, I have a problem.

I have a 1991 535i. The fuel pump stopped working so naturally I replaced it only to discover that it wasn't the problem. After the fact i hooked up a 12v directly to the old pump and it runs just as strong as the new one. Next I hooked up a multimeter to the plug that goes to the pump/fuel level gauge, showed 11.92v. Then went to the contacts at the pump in itself. NO POWER!! The car does turn over and there is spark, it will run, but barely, off of the injector pump. Please help me!!!
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