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      11-18-2012, 07:52 PM   #6546
Jonny954
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Drives: E82 135i
Join Date: Oct 2010
Location: Fort Lauderdale, FL

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No it can't be the spark plugs I think since I changed them at 45k miles and I had the COBB for about 6k miles....I'm at 54k miles now



Quote:
Originally Posted by VNeBLOB42 View Post
As enrita said, your sparks plugs may need to be changed. Most change after 20k miles on tuned cars.