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      02-02-2018, 10:46 AM   #30
MightyMouseTech
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Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

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Quote:
Originally Posted by bung206 View Post
Here are photos of my tensioner. I didn't find any damage on any of the other pulleys.

In addition to the slightly melted pulley, there is a rubber o-ring in between the bolt that goes into the engine and the engine block itself. That had completely dried out and was brittle like plastic. Fell to shreds as soon as I took off the tensioner. Not sure if that was the cause or what.
Holy crap. Looks like the pulley was rubbing against the block or something.
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