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Erractic rev. PLEASE HELP URGENTLY

(1999 BMW 328i)
in Alamance, NC on May 13, 2009
hi, i have a 328i e46. while driving the rev falls and then picks up and falls again esp when i leave the accelerator and then press it again. At the sam time there is a noise from the back of the car. no one can tell me what the problem is not even the agents. Please help
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Popular Answer
on May 13, 2009
This needs to be looked at by a competent shop, one who will diagnose the problem. It's impossible to do that without seeing the vehicle. Can you take it somewhere else? Is there a BMW Dealership near you?
on April 18, 2010
you might want to check the idle control valve
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