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      01-18-2013, 09:50 AM   #14
Iron Man
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Drives: '13 128i Alpinweiß/Korallenrot
Join Date: Mar 2010
Location: NC

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I would highly recommend anyone who changes their own oil outside of the BMW schedule, have an oil analysis performed (I use Blackstone). They give a detailed analysis and it will help you determine your OCI based on how you drive. They are great people to work with.