My 1991 750il is hard to start and when it does the rpms go up & down then cuts off it wont stay on what will cause this?
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1991 BMW 750iL
Question: Fuel problem
Answer #1Visitor, August 03, 2010, 11:48
either 1 of your dk throttle motors are seized open, take them apart and make sure the shutter closes properly.
ReplyVisitor, December 01, 2010, 20:09
Check your mass airflow sensor