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BMW Drivetrain Parts for BMW 3 Series E46 (1999-2005)

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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CSL SMG Expansion Tank Bracket

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:19395617

Part#: 049798LA01

In Stock

Sale - Save 71% $ 33.99

This product was last offered at the strikethrough price on
05-03-2026

$ 10.00 USD

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Sale - Save 71%

$ 33.99

This product was last offered at the strikethrough price on
05-03-2026

$ 10.00 USD

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Used when retrofitting an OEM or aftermarket CSL intake on a vehicle with SMG transmission.

Its no secret the CSL intake plenum is the pivotal upgrade for your S54. If you are fortunate enough to have an SMG equipped vehicle you are going to need a bracket to relocate the expansion tank. Our Turner motorsport bracket fits perfectly with the engine bay to facilitate the installation of your genuine or Turner branded CSL intake plenum.

Design:

Direct fit, perfect OEM replacement
304SS sheet metal design, engineered to be simpler and cheaper than its formed OE counterpart
Reverse engineered with FARO laser scanning and Solidworks CAD technology

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Sachs Performance Racing Metallic Clutch Disc - E46 E9X E60 E61 E83 Z...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:393829

Part#: 881864999517

In Stock

Sale - Save 63% $ 499.00

This product was last offered at the strikethrough price on
05-03-2026

$ 182.97 USD

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Sale - Save 63%

$ 499.00

This product was last offered at the strikethrough price on
05-03-2026

$ 182.97 USD

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Looking to upgrade your clutch disc? This Sachs Performance clutch disc is a great option. Allowing for higher torque and horsepower, this disc is perfect for aggressive track applications such as endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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Clutch Alignment Tool - E46 E60 E83 X3 E53 X5

For vehicles with production date from 09/2003

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:11930

Part#: BMW103

In Stock

Sale - Save 57% $ 22.99

This product was last offered at the strikethrough price on
05-14-2026

$ 9.80 USD

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Qty

Sale - Save 57%

$ 22.99

This product was last offered at the strikethrough price on
05-14-2026

$ 9.80 USD

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This clutch alignment tool exactly replicates the shaft and splines of the vehicle's drive shaft. It is made of high quality polypropylene injected plastics and insures perfect alignment of the clutch. Extremely durable, the clutch tool can be used over and over again. A must for anybody replacing a clutch.

This item fits the following BMWs:
2004-2005 E46 BMW 325i 325ci 325xi 330i 330ci 330xi - 6 speed
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2004-2006 E53 BMW X5 3.0i

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