Carbon build up! Here is how to stop it!
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11-23-2012, 10:56 PM
Drives: 335d m package
Join Date: May 2011
These engine needs to be pushed hard!
I've had mine for over 1 year with more than 100 000k
No problems! No carbon build up at all!
I floor it probably 10-15 times per day!
Most of my driving occurs on highway!!!
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