BMW Drivetrain Parts for BMW Z Series E85/6 (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
$ 69.00 USD
Free Shipping
$ 69.00 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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Valeo - Corporate Logo
T#:383915
Part#: 835115
Ships in 1 Business Day
$ 1,388.30 USD
Free Shipping
$ 1,388.30 USD
Free Shipping

This kit from Valeo is a simple way to easily convert your stock dual mass flywheel clutch system to a single mass system.

Dual mass flywheels allow for fluid-feeling clutch engagements and offer a more luxurious feel than single-mass flywheels. However, with these benefits come significant drawbacks. Why convert from a dual-mass flywheel to a single-mass flywheel?

Cost: Dual-mass flywheels are expensive, with the cost of replacement often times being double or triple than that of converting to a single-mass flywheel.
Serviceability: Single-mass flywheels can be resurfaced, eliminating the need to replace with the next clutch service. - something that is not recommended with dual-mass flywheels, as they contain a rubber section that is more failure-prone in high mileage application.
Simplicity: Single-mass flywheels lack the complexity of dual-mass flywheels, making them inherently more reliable. Dual-mass flywheels contain a rubber damper or hub that will, like all rubber components, wear out with time.
Pedal Feel: Many enthusiasts prefer to eliminate BMW's "Self Adjusting Clutch", which has been known to provide an unpredictable, inconsistent engagement point.
Driveability: Valeo's conversion kit has been designed to maintain nearly identical clutch and flywheel weight, ideal for keeping the clutch quiet and easy to drive.
Kit contents:

Single-mass flywheel
Non-Self Adjusting Clutch and pressure plate
Throw out bearing
Pressure plate bolts
Flywheel bolts
Clutch alignment tool

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Elring Selector Shaft Seal - E36, E39, E46, E36 Z3
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:340660
Part#: 23121222677
In Stock
$ 5.14 USD
Free Shipping on orders $49 and up

Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW's:
E36, E39, E46, E36 Z3

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Elring - Corporate Logo
T#:592101
Part#: 24101423380
In Stock
$ 16.99

This product was last offered at the strikethrough price on
08-26-2026

$ 8.15 USD
Free Shipping on orders $49 and up
$ 8.15 USD
Free Shipping on orders $49 and up
Seal up your leaking oil pan.

Automatic Transmission Seals And O-Rings Kit
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:54744782
Part#: 821.450
In Stock
New Item
$ 174.99

This product was last offered at the strikethrough price on
10-07-2026

$ 154.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 174.99

This product was last offered at the strikethrough price on
10-07-2026

$ 154.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
This Elring Automatic Transmission Gasket Set replaces your tired, heat-cycled internal seals with premium-grade elastomer components.
Elring - Corporate Logo
T#:44733256
Part#: 703.190
Special Order: No Guaranteed ETA
$ 34.99 USD
Free Shipping on orders $49 and up
If your differential is leaking fluid from the input shaft at the front of the diff case, there is a good chance this seal is faulty. Replace your leaking seal with this new seal from Elring to prevent further fluid loss and prevent damage to your differential. Replaces BMW p/n 33121213949, 33121212197, & 33121204847
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Shaft Seal - Differential (Axle Drive)
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:54852004
Part#: B46.610
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
Free Shipping on orders $49 and up
This OEM-quality replacement shaft seal from Elring is the perfect fix for keeping your gear oil where it belongs.
Automatic Transmission Oil Pan And Filter Kit
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:45005575
Part#: B01.650
Special Order: No Guaranteed ETA
$ 166.99 USD
Free Shipping on orders $49 and up
$ 166.99 USD
Free Shipping on orders $49 and up
Over the life of a vehicle, the transmission can often be overlooked when performing routine maintenance. If left unserviced, the automatic transmission fluid will break down, causing the valve body and filter to become contaminated with deposits and sludge. This will lead to poor shifting, slipping, and ultimately, transmission failure. This replacement pan and filter kit is the perfect replacement for your GA6HP19Z transmission.
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