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FYI 
 
http://www.redlineoil.com/news_article.aspx?id=13 
 
RED LINE BMW FLUID RECOMMENDATIONS  
 
Engines: 
Through 1998: 10W40 
From 1999: 5W30 
S54 (2001 to 2003) plus others specifically requiring Castrol RS or TWS Motorsports oil: 10W60 
 
Manual Transmissions: 
Through 1985: MTL 
1986 through 1992: may have a label affixed to the passenger side bell housing 
- Green Label: MT-90 
- Red Label: D4ATF 
- No Label: MTL 
Green and Red labeled transmissions have 17mm external hex drain and fill plugs. 
Non-labeled transmissions have 17mm internal hex drain and fill plugs. 
1993-on: D4ATF 
2006 Xi Transmissions: D6ATF 
 
Automatic Transmissions: D4ATF  
 
Differentials: 75W90 
2002 on with multi-disk limited slip: 75W140 
 
Fluid Designations 
Manual Transmission: 
MTF-LT-1 & MTF-LT-2 => D4ATF & MTL 
MTF-LT-3 => D6ATF 
 
Automatic transmission: 
Esso LT71141, Shell LA2634 & M-1375.4, Texaco ETL7045 & ETL8072B => D4ATF 
 
Differential: 
SAF-XO & SAFX-LS => 75W90 
SAF-XJ => 75W140 |   
 
 
 
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