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Old 11-13-2011, 09:00 AM   #1 (permalink)
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Hello, Everybody!!!! '82 320i fuel problem

New owner of '82 320i with fuel delivery problems.
Car sat for several years, drain gas tank and able to
get it running, however starts fine but no power, stays idle
but when under pressure starvs for fuel.
Any suggestions?
Thanks
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Old 11-13-2011, 10:06 AM   #2 (permalink)
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Start by cleaning/replacing Fuel Filter(s). Examine fuel lines for damage & correct any problems. If problem persists, dismount gas tank & have professionally cleaned repair. If problem persists, test fuel pump.

Good luck!
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Old 11-13-2011, 11:34 AM   #3 (permalink)
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Thanks, for for you reply, I will do that next.
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Old 11-24-2011, 11:54 PM   #4 (permalink)
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Ditto on what Kerryf said.

Any time a car sits for awhile, gunk can mess up the fuel pump and filter.

There is also a fuel pressure regulator on the fuel rail that regulates fuel into the injectors. That could be fouled.

You should also consider disconnecting the fuel line to the fuel rail, putting a bucket under it and cranking the ignition to pump some gas and see what the flow looks like.

The fuel filter is located under the car in the transmission well by the front seat, I think. As for the pump, located near the filter for this model, I think, you should hear it when you are at idle, but it should not be terribly loud. If it is really loud, it's probably toast and can't pump higher volume.

Hope that helps.
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