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Old 11-22-2011, 05:00 PM
jarhed1964 jarhed1964 is offline
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Location: Charlotte, NC
Join Date: Apr 2010
Posts: 714
Mein Auto: '99 528i Sport, '05 530i
Originally Posted by Trebbia View Post
Octane in and of itself doesn't do that.
No, but I believe it's a lower quality gasoline and the crap that is in it that may be responsible, that and the fact that my CCV had peanut butter pouring out of it when I removed it.

Happens all too frequently.

Do you think there is a possibility those heavy combustion chamber deposits happened during the overheating episode?
Possibly added to it, but I remember seeing some filth in at least one of the cylinders last fall when I changed the plugs.
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