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Old 01-22-2013, 03:55 AM
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mlukas161 mlukas161 is offline
Officially Welcomed to the 'Fest
Location: WNY
Join Date: Oct 2008
Posts: 943
Mein Auto: 03 330i, 04 X3
Originally Posted by hottuna View Post
Differentials - Red Line 75W90, the 75W140 is not for LSD so don't get confused. You'll need 1.06 for each diff so get 3.
thanks for this.

sorry im a little confused - which one are you saying you used the 75w90 or the 75w140?

I was told MY06 X3`s are not LSD - so which one have you gone with?

Ive just foundout i can sourc Redline 75W90 GL-5 Gear Oil or Redline 75W-90 NS GL-5+&6 Gear
which one is correct?


None of the X3s have a limited slip differential. Either weight is ok to use. Most use 75w 90 with good results. I used redline 75w 90 when I changed mine.
75w 140 is more for racing applications or if you beat the snot out of your x3.
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