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07-10-2014, 07:16 AM
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#9
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Brigadier General 
Drives: 2014 335i M Sport
Join Date: Sep 2010
Location: MD
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Quote:
Originally Posted by m6pwr
How did you notice significant degradation of the engine oil? Used Oil Analysis? Can you post a report showing significant degradation at the BMW recommended oil change intervals?
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Taste test.
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