Engine has uncontrolled revving when starting the car. Scary on 2005 BMW 545i

I haven't driven my car in a few months and after starting the car, the engine revs uncontrolled up to 6000 rpm and there seems to be a smell coming from the engine. Any Advice?

by in Gaithersburg, MD on April 04, 2012
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1 answer
ANSWER by , April 04, 2012
Have it towed to a shop before something gets damaged