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      12-15-2015, 04:07 PM   #6
Zucco
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Drives: X5 50i M-sport / M4 Comp
Join Date: Apr 2015
Location: NJ

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Garage List
2017 M4 Comp  [0.00]
2012 BMW X5 50i  [10.00]
Quote:
Originally Posted by StatenEye 535i View Post
Soot from your exhaust mixed with condensation. no?
I second that, most likely not oil.
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