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Old 01-21-2013, 05:40 PM
awdrev awdrev is offline
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Location: Maryland
Join Date: Dec 2012
Posts: 82
Mein Auto: 2004 BMW X3 3.0 Auto Tran
Originally Posted by can0n4 View Post
Two years ago I replaced all of my fluids after massive amounts of research and I couldn't be happier. Granted my car is a 2004, bavauto states the same part numbers for yours.

Transmission fluid - BMW Genuine Transfer Case Fluid - Part number 83 22 0 397 244

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.
All accurate.

The x-drive fluid is BMW proprietary so you should get it from them AND THEM ONLY. Warning: It is a bit pricey. One quarts is worth about $55 dollars

Differential wise, you can buy it at a car shop OR get it at the dealer as well. I don't think there's a big price difference though.

Question: What made you go with the Castrol Transmax Multi-Vehicle? I chose to get the Dex VI fluid but haven't bought it yet. Still pondering the choices but that's prob what I will buy... it is what BMW and GM recommends which is why I am giving them deference

Last edited by awdrev; 01-21-2013 at 05:41 PM.
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