BMW Drivetrain Parts for BMW X Series E83 (2004-2010)

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Building your perfect BMW is more than just adding horsepower and stiff suspension. Your drivetrain needs attention in order to deliver power effectively. Most BMWs feature comfortable clutch discs, heavy flywheels, long shifter throws, and open differentials. The drivetrain transmits power to the wheels, but can also be a source of power loss when it is designed for comfort rather than performance. Everything on this page will help you improve your power delivery and driving experience by providing custom Limited Slip Differentials, Short Shift Conversions, Performance Clutch Discs, Lightweight Flywheels, and anything else your BMW needs to be the perfect driving experience.

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FTE Clutch Master Cylinder - E46 E9X E82 E39 and more
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
FTE - Corporate Logo
T#:4655
Part#: 21526773670
Ships in 3 Business Days
$ 98.99

This product was last offered at the strikethrough price on
06-30-2026

$ 77.99 USD
Free Shipping
$ 77.99 USD
Free Shipping
A leaking master cylinder often feels like a failing clutch or a problematic transmission
XACT Streetlite Single Mass Flywheel - N51/N52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACT - Corporate Logo
T#:29002055
Part#: 601170
In Stock at Vendor
$ 830.00 USD
Free Shipping on orders $49 and up

The ACT Streetlite flywheel offers the following benefits:

Noticeably improved engine response and acceleration: Experience a significant boost in engine performance and acceleration with this component. OE to mild gear rattle: Expect only minimal gear rattle, from Original Equipment (OE) standards to a mild level, ensuring a smoother drive. Heat-treated forging for strength and toughness: Crafted using heat-treated forging, this part guarantees enhanced strength and durability. Induction-hardened ring gears for maximum life: The ring gears undergo induction hardening, providing maximum lifespan and reliability. One-piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc: The one-piece design reduces potential failure points and ensures uniform and efficient heat transfer from the clutch disc, preventing issues like warped inserts or loose ring gears. Recommended for street and race use: This component is ideal for both everyday street driving and competitive racing environments.

Forged, CNC machined, and dynamically computer balanced for smooth high RPM reliability: Expertly forged, CNC machined, and dynamically balanced via computer to ensure smooth and reliable performance at high RPMs.

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HD/Perf Street Sprung
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACT - Corporate Logo
T#:15744083
Part#: BM15-HDSS
In Stock
$ 862.00 USD
Free Shipping on orders $49 and up

FTE Clutch Line - E46, E83
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
FTE - Corporate Logo
T#:373988
Part#: 21526774267
Ships in 4 Business Days
$ 43.32 USD
Free Shipping on orders $49 and up
Runs from the clutch slave cylinder to the master cylinder