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Re: bmw535 (archive)
[ Follow Ups ] [ 5-series (E12) Message Board ] [ Msg. Board FAQ ]
Posted by Karl on February 12, 2002 at 21:32:07:

In Reply to: bmw535 posted by steve nelson on February 12, 2002 at 19:22:56:

You don't say what year your car is, but since you're on this board, I'll give you advice for an e12 car with L-Jet.

The usual suspect with intermittent fuel problems is the combination relay, near the coolant reservoir, or its connector plug. It provides power to the fuel pump.
Another possibility is the connection from the tach to the computer. If the computer doesn't sense RPM via that tach signal, it shuts off the combo relay.

Lots of Luck -- intermittent electrical gremlins can be a serious PITA.

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