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Old 02-08-2011, 09:20 PM   #221
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Join Date: Aug 2006
Location: Las Vegas
Posts: 1,306
My Ride: 2003 325i
Originally Posted by dmax View Post
So you drive like 30-50K miles a year? Or are just trying to be good to your car and change it every 3K miles?

If the latter, you're really being bad to your car...should change sometime after 7-8K miles and before 15K miles...though most, including me, would probably say around 10K is the most you want to run with it in...but the oil should be fine until the computer says to change at 15K.

Many who go to 15K, though, change filter half way through (though I don't think they need to).

Doug, as usual, thx for your words of wisdom. After reading there's no way I'd use 15w50!

IMHO what BITOG is saying is that 0w-20 is the optimum oil. However, I'll stick with what meets the BMW standard (GC 0w-30 in the winter and maybe M1 0w-40 in the summer if the GC isn't available).

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