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01-20-2014, 06:38 PM
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#17
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Banned
Drives: E90 M3
Join Date: Jan 2014
Location: Sandy Hook
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Quote:
Originally Posted by M3PO
My used oil analyses have shown the detergents are almost used up around 8-10K miles. So for the remaining 5K miles, you are gumming up the engine.
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Detergants?
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