Thread: RPM drops on idle
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      08-30-2016, 11:47 AM   #86
Nickdm3
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Drives: Bmw m3
Join Date: Oct 2015
Location: Chicago

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had a similar issue on my e46 for a few years. finally the car broke down and found that i had a bad coil. replaced the coil and issue went away. you may have a coil going bad
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