BMW Engine Parts for BMW E90 M3 S65 4.0L

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Active Autowerke Rotrex Traction Fluid - 1 Liter
Active Autowerke Rotrex Traction Fluid - 1 Liter
Active Autowerke - Corporate Logo
T#:57616348
Part#: RTF-1L
Ships in 4 Business Days
New Item
7% off MSRP $ 140.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 130.00 USD
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7% off MSRP
$ 140.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 130.00 USD
Free Shipping
Add to Wish List
Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml).
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Active Autowerke Supercharger Kit Gen 2 Level 4 - E9X M3 S65 4.0L
Active Autowerke Supercharger Kit Gen 2 Level 4 - E9X M3 S65 4.0L ...
Active Autowerke - Corporate Logo
T#:57616347
Part#: 12-032-C38
Ships on Oct 23, 2026
New Item
$ 23,749.00 USD
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$ 23,749.00 USD
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The Active Autowerke Supercharger System is powered by a Rotrex C38-92R Supercharger Unit mounted with a custom CNCed bracket that uses a dedicated drive belt system, while eight high flow fuel injectors are used to supply the additional required fuel. Active Autowerke's Performance Software, available for 91-93 octane, race gas, and octane levels unique to other countries, is carefully calibrated, and is at the heart of the system to provide an unparalleled driving experience. Keeping within the factory's OBDII parameters, the Active Autowerke Supercharger System ensures consistency for everyday driving. The Level 4 system includes a water/methanol injection system with upgraded pulley and custom software.
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