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      05-18-2013, 09:50 PM   #13
n2djazz
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Drives: 2009 135i Coupe (T. Silver)
Join Date: Oct 2009
Location: Georgia

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Quote:
Originally Posted by MteK View Post
Thanks, had the carbon cleaned about 20K ago. I'm looking for a used cobb to help me troubleshoot, but in the mean time I picked up a set of new coils for $230, so cheap insurance.
I'm having WOT problems with my '09 135i. I replaced the plugs with BMW originals and problems still with me but I have no dashboard indications. Did you replace your coils? If so, did that clear up your problems?