I have a 2001 bmw 330ci. The car has a really rough idle and wants to stall when the MAF is plugged in. But when I unplug it, it runs good ,why

Asked by Nov 12, 2015 at 01:24 AM about the 2001 BMW 3 Series 330Ci

Question type: Maintenance & Repair

I have replace the plugs and the ignition
silinoids.and many other things and still does the
bad idle thing. I can't seem to figure it out.

1 Answer

101,515

Checked the throttle body it may be dirty and might need a cleaning. Also add some injector cleaner to your gas tank..

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