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      03-23-2016, 02:46 PM   #8
chickdr
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Drives: 2006 M Roadster
Join Date: May 2009
Location: Buford, GA

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Quote:
Originally Posted by Finnegan View Post
Bad coil and misfires? I'm not sure if there such a thing as a lazy coil, but you could certainly get some vibration with a semi-functioning coil, corroded plug, moisture,etc.

I know it's going to sound typical, but if you tried using a BMW code reader or knock off (eBay)? There might be some fault codes that you could read, and most of these allow you to read data in real-time which allow you to get a better glimpse of what's going on with the engine.
If a coil was bad/semi-bad would it correct itself by just taking a drive and shutting off the engine? I thought coils either work, or don't. No misses/stumbling with my motor either, just a lot of vibration felt through the wheel/shift knob/clutch which magically resolves after it warms up then is shut down and restarted.
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