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2003 BMW 325i Question: Not Smooth @ Idle



waltrkm, Woodbridge, VA, June 21, 2009, 10:43

Over the last 8 months I've noticed that this vechicle has problems at idle, the engine once has shut down because it was idle'ing too low and wouldn't start for a about an hour or so? At stop lights I can see the RPMs vary between 500 - 1500? The car has about 106,000 miles, I'd like to keep it going for several more years, as I hear these cars can last for a while if properly maintained. Any insight would be great. Thank you.

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  • Answer #1

    June 21, 2009, 17:20

    The Engine Computer and ElectronicThrottle Body Controller need to be scanned. There is a fault condition with 1 or both of these systems which is causing your idle to surge and/or die.

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