BMW Drivetrain Parts for BMW Z4 M Roadster S54 (2003-2008)

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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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Rogue Engineering - Corporate Logo
T#:641617
Part#: TM
In Stock
$ 59.00 USD
Free Shipping
$ 59.00 USD
Free Shipping
Unlike other aftermarket mounts, the mounting plate and studs of our mounts have been Zinc-plated to prevent corrosion. Rogue Engineering Transmission Mounts are sold as a pair, and come with Grade 8 Zinc plated hardware. Rogue Engineering transmission mounts are designed with street comfort in mind while still reducing left and right movement of the transmission. By using a cylindrical shape instead of the factory hourglass like design and utilizing Neoprene rubber deflection can be significantly reduced, minimizing unwanted transmission movement while maintaining vibration dampening characteristics.
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Performance Tool - Corporate Logo
T#:1809145
Part#: W80510
Ships in 1 Business Day
$ 32.44 USD
Free Shipping on orders $49 and up
For turning and holding flexplates and flywheels.
JB Racing - Corporate Logo
T#:878
Part#: 520-010S-S873G
Ships on Jul 29, 2025
$ 1,488.61 USD
Free Shipping
$ 1,488.61 USD
Free Shipping
This lightweight aluminum flywheel w/ Heavy Duty "sprung-hub" clutch package is the best-engineered solution for E46 325 and 330 models with the 6-speed transmission, Z4 2.5/3.0, and Z4 M Roadster and M Coupe. Instead of picking a clutch from another car that may or may not work at all, the engineers at JB Racing have taken all of the guess work out of this upgrade and incorporated a Sachs sport sprung-hub clutch with the correct pressure plate and combined it with their most-popular aluminum lightweight flywheel. The Sachs HD clutch disc has a sprung hub to minimize noise and vibration and organic linings to give the feel and engagement of a stock clutch. Mixing and matching of the incorrect clutch, pressure plate, and flywheel components can lead to inconsistent engagement and feel -- why make your clutch feel worse?

In addition, the Sachs HD pressure plate will clamp with greater force -- allowing approximately 350 ft-lbs of torque, which makes it an obvious upgrade from the stock clutch kit. And with the aluminum flywheel weight savings is substantial over the stock dual-mass flywheel - which allows your motor to spool up faster and transmit more HP to the ground.

Because Sachs is an OE supplier to most German cars, replacement parts are just a phone call away. This kit uses the stock throw-out bearing (included in the price).

Z4 M Sport Clutch and Flywheel Applications:
2006-2008 E85 Z4, E86 Z4 Z4 M Roadster, Z4 M Coupe
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Performance Tool - Corporate Logo
T#:1809158
Part#: W1141
In Stock
$ 9.99 USD
Free Shipping on orders $49 and up
Fits all standard gallon bottles

Performance Tool - Corporate Logo
T#:5122269
Part#: W83011
Ships in 1 Business Day
$ 23.31 USD
Free Shipping on orders $49 and up
Helpful tool for proper axle boot installations.
Performance Tool - Corporate Logo
T#:1809134
Part#: W1145
Ships in 1 Business Day
$ 18.80 USD
Free Shipping on orders $49 and up
Quickly and easily transfer any fluid.

Performance Tool - Corporate Logo
T#:5095675
Part#: W1139
Ships in 2 Business Days
$ 10.99 USD
Free Shipping on orders $49 and up
Unique double threaded cap fits both quart and gallon size containers.
Performance Tool - Corporate Logo
T#:1855988
Part#: W83013
Ships Jul 7, 2025
$ 20.40 USD
Free Shipping on orders $49 and up
Used on ear-type clamps found on CV joints, hoses, and some fuel filters.