Quote:
Originally Posted by jmillet
If your Bimmer is still under factory warranty why would you want to put something other than BMW approved fluids in critical and costly components like the transmission and differential, unless, of course, you know more about lubricants than the BMW engineers 
Are you using something other than Castrol TWS Motorsport SAE 10W-60 Synthetic Engine Oil?
http://www.bmwusa.com/Standard/Conte...ngineOils.aspx
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well engine oil i do..
but just that i've been a fan of redline and RP for tranny and lsd fluids over stock.. that's all and assumed there are more members like me