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Transmission and Differential Fluids
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This product was last offered at the strikethrough price on
05-07-2026
All sets of 12 now 10% off regular price
This is Red Line's latest synthetic transmission fluid that is compatible with BMW's MTF-LT3 transmission fluid. This is the transmission fluid used in both manual and automatic transmissions since the mid-2000's. To confirm, check the decal located on the side of your transmission. Price is per quart.
Synthetic D6 ATF is a lower viscosity version of the D4ATF and is designed for better fuel efficiency in CAFE testing. Dexron VI requires a different approach to a conventional ATF formulation. Rather than beginning with a 7.5 cSt fluid and allowing a viscosity loss in use to drop to 5.5 cSt, the Dexron VI fluid requires a starting viscosity of less than 6.4 and a final drop to no less than 5.5 cSt. Red Line D6 will drop to no less than 6.1 cSt. Since the final viscosity after use of these fluids are similar, Dexron VI fluids can be used where Dexron III fluidswere previously recommended (with the exception of some manual transmission applications, our customers report).
D6 ATF also provides significantly improved gear protection and will provide a GL-4 level of gear protection. The balanced frictional characteristics provide smooth and consistent shifts for extended drain intervals. The superior stability compared to petroleum ATFs allows high-temperature operation without varnishing valves and clutches which leads to transmission failure.
This product was last offered at the strikethrough price on
06-16-2026
All sets of 12 now 10% off regular price!
Synthetic D4 ATF is suitable for use where Dexron III, Dexron II, or Mercon fluids are recommended. ATF D4 is similar to Red Line's MTL formula and can be used in many BMW manual transmissions where MTF or MTF-LT2 is called for. The D4 ATF provides significantly improved gear protection than most OEM oils. The balanced frictional characteristics provides smooth and consistent shifts for extended drain intervals. The superior stability compared to petroleum ATFs allows high-temperature operation without varnishing valves and clutches which leads to transmission failure.
Features:
This product was last offered at the strikethrough price on
06-15-2026
This product was last offered at the strikethrough price on
04-20-2026
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
04-13-2026
This is Red Line's latest synthetic transmission fluid that is compatible with BMW's MTF-LT3 transmission fluid. This is the transmission fluid used in both manual and automatic transmissions since the mid-2000's. To confirm, check the decal located on the side of your transmission. Price is per quart.
Synthetic D6 ATF is a lower viscosity version of the D4ATF and is designed for better fuel efficiency in CAFE testing. Dexron VI requires a different approach to a conventional ATF formulation. Rather than beginning with a 7.5 cSt fluid and allowing a viscosity loss in use to drop to 5.5 cSt, the Dexron VI fluid requires a starting viscosity of less than 6.4 and a final drop to no less than 5.5 cSt. Red Line D6 will drop to no less than 6.1 cSt. Since the final viscosity after use of these fluids are similar, Dexron VI fluids can be used where Dexron III fluids were previously recommended (with the exception of some manual transmission applications, our customers report).
D6 ATF also provides significantly improved gear protection and will provide a GL-4 level of gear protection. The balanced frictional characteristics provide smooth and consistent shifts for extended drain intervals. The superior stability compared to petroleum ATFs allows high-temperature operation without varnishing valves and clutches which leads to transmission failure.
Suitable replacement for the following BMW part numbers: BMW ATF 3 BMW ATF 3+ 83220142516 (M-1375.4) 83222152426 (M-L12108) 83220432807 83220397114 MTF-LT-3 83222289720 83222305397 ZF Lifeguard 6/6 PLUS 8 ZF6/8
All sets of 12 now 10% off regular price!
Add to your limited slip differential to improve the fluid and wear prevention!
Features:
Turner Motorsport recommends flushing and replacing your manual transmission and differential fluid regularly to ensure proper component wear and prevent costly issues in the future. Refer to your owner's manual for specific intervals for flushing and refill.
This fully synthetic 75w90 weight gear oil is designed to maintain smooth shifting in your transmission. Its unique multi-viscosity formula provides excellent protection in all weather conditions. Being fully synthetic, it guarantees smoother shifts across all vehicles.
Note: Verify that your application requires GL4 oil. This product meets API GL-4+ specifications.
This product was last offered at the strikethrough price on
09-14-2026
This product was last offered at the strikethrough price on
09-24-2026
This product was last offered at the strikethrough price on
09-16-2026
This product was last offered at the strikethrough price on
10-02-2026
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.