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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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OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW & ...

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T#:38890943

Part#: HWU0065

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$ 22.79 USD

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As components in the differential begin to wear, metal particles become loose in the diff fluid, which can lead to excess wear. This magnetic plug pulls these particles out of suspension, helping to reduce wear over time. Replaces BMW # 33117525064

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Automatic Transmission Service Kit - Level 2 - BMW GA6L45R Transmissi...

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For vehicles equipped with automatic transmission GA6L45R

T#:23748159

Part#: 24117593565TKT

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$ 194.12 USD

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Includes all the necessary components for a complete transmission service with Liqui Moly fluid 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. Kit Includes: Automatic transmission filter 7 quarts Liqui Moly Top Tec 1800 automatic transmission fluid Drain plug Fill plug

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OEM Rein Transfer Case Fluid - 1 Liter - BMW

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T#:20089545

Part#: 83222409710

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$ 47.49 USD

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Rein Transfer Case Fluid TF 0870 is designed to service your BMW xDrive transfer case, ensuring optimal performance and reliability. This genuine BMW fluid is essential for maintaining the efficiency of your transfer case, especially if you are nearing or exceeding the 60,000-mile mark. Using Rein Transfer Case Fluid TF 0870 helps to catch up on crucial maintenance and keep your vehicle running smoothly.

Genuine BMW Fluid: Ensures compatibility and peak performance for BMW xDrive transfer cases.
Optimal Performance: Helps maintain the efficiency of the transfer case, enhancing overall vehicle reliability.
Preventive Maintenance: Ideal for vehicles approaching or exceeding 60,000 miles to ensure continued smooth operation.
High-Quality Formulation: Designed to meet BMW's specifications for superior protection and longevity.

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Clutch Cylinder Refresh Kit

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T#:5416751

Part#: 21526773670TMSKT

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05-03-2026

$ 289.49 USD

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Includes master and slave cylinder, hardware and lines including the Exact-Fit Stainless Steel Clutch Line! A leaking clutch cylinder often feels like a failing clutch or a problematic transmission, this kit includes everything needed to not only replace but upgrade your clutch hydraulic system!

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Bav Auto Automatic Transmission Filter Kit - E82/88 128, E9X 328, E83...

For vehicles equipped with automatic transmission GA6L45R

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T#:639806

Part#: 24117593565

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$ 31.99 USD

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Remember to service your transmission at the recommended intervals to increase your transmission's life span and reliability! From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Automatic Transmission Service Kit - E82/88 E83 E9X

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T#:554533

Part#: N5XATSKT2

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Sale - Save 5% $ 248.99

This product was last offered at the strikethrough price on
06-04-2026

$ 237.18 USD

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Automatic transmissions are reliable, shift smoothly, and can last without issue so long as they are properly maintained. Over time, the transmission fluid becomes thick and the filter becomes contaminated with small metal particles. This can cause excess wear, high transmission operating temperatures, and eventual failure. To prevent this we recommend changing your filter, fluid, and seals to ensure your transmission continues to operate flawlessly. We recommend filter and fluid changes every 50,000 miles.

Kit Includes:

Automatic transmission filter with associated hardware
Oil pan gasket
Drain plug with sealing washer
Fill plug with sealing washer
7 quarts Redline D6 automatic transmission fluid

Fits the following BMWs:
E82/88 BMW 128i - with GA6L45R automatic transmission
E83 BMW X3 N52 3.0L - with GA6L45R automatic transmission
E9X BMW 328i/xi - with GA6L45R automatic transmission

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Rein CV Boot Kit - Front Inner - E83

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T#:592336

Part#: 31607529204

Ships in 3 Business Days

Sale - Save 5% $ 28.99

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08-31-2026

$ 27.54 USD

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Replace torn CV boots and save CV joints

BMW E8X / E9X Automatic Transmission Service Kit - Level 2

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For vehicles equipped with automatic transmission GA6L45R

T#:21703019

Part#: E8XE9XTRANSSRVKT

In Stock

Sale - Save 2% $ 197.99

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$ 194.12 USD

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In the routine maintenance of a vehicle, the transmission often takes a back seat. However, neglecting it can have serious consequences. Over time, automatic transmission fluid can deteriorate, resulting in contamination of the valve body and filter by deposits and sludge. This deterioration leads to undesirable issues such as poor shifting, slipping gears, and, ultimately, transmission failure. Our comprehensive kit includes all you need to ensure the health and longevity of your transmission: Automatic transmission filter equipped with necessary hardware Oil pan gasket Drain plug complete with a sealing washer Fill plug with its sealing washer 7 quarts of high-quality Liqui Moly Top Tec 1800 Synthetic ATF Turner Motorsport highly recommends a complete automatic transmission service every 60,000 miles. By addressing your transmission's needs proactively, you'll prevent costly repairs down the road and ensure a smooth and reliable driving experience. Don't overlook this crucial aspect of vehicle maintenance—prioritize your transmission's well-being today.

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Transfer Case Servomotor M54 & N62 - Priced Each

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T#:4524502

Part#: 27102449709

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08-31-2026

$ 436.04 USD

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Drive actuator for the transfer case on E53 X5 and E83 X3 SAVs, located on back side of transfer case.

Rein Driveshaft Center Support Bearing

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T#:379700

Part#: 26121225071

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08-23-2026

$ 12.83 USD

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Commonly referred to as "carrier bearing"

OEM Rein Shifter Ball Bushing - Multiple BMWs

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T#:362834

Part#: 25111220600

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$ 7.19 USD

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This bushing is the point where the shifter arm pivots. If you are experiencing excess play in your shifter, this could be the cause. Worn out shifter ball bushings allow too much movement from wear over time.

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Front Wheel Bearing Kit - Priced Each

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T#:37217385

Part#: 31203450600KT

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$ 128.86 USD

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$ 128.86 USD

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Kit includes wheel hub, axle nut, lock ring and wheel bearing

BMW Aluminum Bolt

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T#:46478545

Part#: 23000417164S

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$ 6.76 USD

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This is a single-use bolt and should be replaced every time it’s removed. Don’t let a major repair come to a halt because you’re missing the proper hardware.

Rein CV Boot Kit - Front Outer - E83

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T#:592335

Part#: 31607529203

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$ 34.19 USD

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Replace torn CV boots and save CV joints

Motor Mount Bolt Set

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T#:592053

Part#: 22110392551

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$ 15.68 USD

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Used to secure the motor mount brackets, one time use bolts!

Automatic Transmission Service Kit - Level 2

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T#:15710776

Part#: 8352230504-KT

Ships in 3 Business Days

Sale - Save 2% $ 229.99

This product was last offered at the strikethrough price on
07-28-2026

$ 225.03 USD

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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. Automatic transmission Level II kit contains what you need to do an automatic transmission fluid and filter service. For limited time includes a FREE bottle of Redline WaterWetter®! WaterWetter® is a unique wetting agent that reduces coolant temperatures by as much as 30°F. Pour it into your cooling system to provide rust and corrosion protection in plain water for racing engines, and to improve coolant heat transfer properties. Add it to new or used antifreeze to improve the heat transfer of both ethylene and propylene glycol antifreeze/coolants. Compatible with aluminum, cast iron, copper, brass and bronze components. Kit Includes: Automatic transmission filter with hardware Oil pan gasket Drain plug with sealing washer Fill plug with sealing washer 8 quarts Redline D4 automatic transmission fluid FREE bottle of Redline WaterWetter®

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Rein Magnetic Transmission Drain Plug

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T#:53785537

Part#: HWU0117

Back Ordered

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08-31-2026

$ 16.09 USD

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Magnetic Rein Transmission Plug Features Aluminum Construction with OE Dimensions and Threading. Magnetic Tip for Upgrade over Stock. Lightweight and Durable Construction Designed to Interface Perfectly with Modern Alloy Gear Housings

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