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      01-17-2011, 10:38 AM   #2
itsme123
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Drives: 2013 MCB F10 M5
Join Date: May 2010
Location: USA

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I had the same question too when I just got my car, but no one seems to be able to give me an exact answer. I asked different dealers (parts and service) and they all gave me a different answer. Coming from many M cars previous to my X6M, I just stuck with the Castrol TWS 10W-60 for refilles for now untill I go in for my first service and see what they end up putting in. Any one out there who have had their S63's serviced and can provide an insight on what the dealer filled it up with?
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