Thread: Oil Sludge?
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Old 02-18-2011, 03:02 AM   #26
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Join Date: Mar 2010
Location: S Florida
Posts: 236
My Ride: 2004 330CI auto vert

Originally Posted by sprintman View Post
mine had M1 0W40 every 5,000 miles/8,000kms. RX made it much much better. Rejuvenates seals too (think VANOS)
So you are using RX with the Mobil1 0W40 ?
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