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bgsquad

05-21-2011 11:21 AM

What's that on the rim of my exhaust?

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hi guys, I noticed that the rim of my exhaust pipes have a deposit as shown in the picture below... the deposit feels like minerals, and somehow bluish... is that possible that the antifreeze is sipping into the engine? the antifreeze consumption is maybe around a cup per year, which is normal for a BWM as i understand... any other ideas?

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