BMW Drivetrain Parts for BMW X Series F39 (2018+)

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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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Bav Auto Differential, Transfer Case, Transmission Oil-Pan Wrench
Bav Auto Differential, Transfer Case, Transmission Oil-Pan Wrench ...
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580353
Part#: B8800025
Ships in 10 Business Days
Sale - Save 25% $ 32.99

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

$ 24.74 USD
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$ 32.99

This product was last offered at the strikethrough price on
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The proper size for removing BMW drain plugs.
Differential Fluid Extraction Adapter
Differential Fluid Extraction Adapter
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Bav Auto Tools - Corporate Logo
T#:578659
Part#: B3300000
In Stock
Sale - Save 5% $ 23.99

This product was last offered at the strikethrough price on
08-19-2026

$ 22.79 USD
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$ 23.99

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Differential Fluid Extraction Adapter is an essential tool for efficiently draining and refilling differential fluid, ensuring your vehicle's differential system remains in optimal condition. Designed to work with most extraction pumps, this adapter simplifies maintenance tasks, making it easier to service your differential without the mess or hassle of traditional methods.

  • Efficient fluid extraction: Allows for quick and clean draining of differential fluid.
  • Versatile compatibility: Works with most extraction pumps, offering flexibility for various vehicle makes and models.
  • Hassle-free maintenance: Simplifies the process of refilling and draining differential fluid, reducing time and effort.
  • Durable construction: Built from high-quality materials to withstand frequent use and harsh conditions.
  • Easy installation: Designed for a secure fit and easy attachment to extraction pumps.

This Differential Fluid Extraction Adapter is a must-have for any vehicle owner looking to maintain the longevity and performance of their differential system.

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Bav Auto Transmission/Differential Drain Plug Socket Set
Bav Auto Transmission/Differential Drain Plug Socket Set
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580446
Part#: B8800141
In Stock
Sale - Save 25% $ 36.99

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

$ 27.74 USD
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$ 36.99

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Drain plug socket set. Set of 3 hex-head sockets make removal of transmission and differential drain plugs so much easier. Includes 10mm, 14mm and 17mm sizes. 3/8" drive
Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580336
Part#: B8800004
In Stock
Sale - Save 25% $ 38.99

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

$ 29.24 USD
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$ 38.99

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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids.
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Bav Auto Wheel Hub and Rotor Grinding Kit
Bav Auto Wheel Hub and Rotor Grinding Kit
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580437
Part#: B8800132
In Stock
Sale - Save 10% $ 47.99

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

$ 43.19 USD
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$ 47.99

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$ 43.19 USD
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Used to remove corrosion and ensure brake rotors, wheel spacers, etc sit flush on your hubs
Pentosin ATF 8 Automatic Transmission Fluid - 1 Liter - BMW 8HP Transmissions
Pentosin ATF 8 Automatic Transmission Fluid - 1 Liter - BMW 8HP Trans...
Pentosin - Corporate Logo
T#:45963154
Part#: 1058110
In Stock
$ 28.99 USD
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$ 28.99 USD
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Transmission fluid is responsible for both cooling and lubricating sensitive transmission components. Over time, this fluid becomes contaminated by particulate from clutch and gear components wearing down. This contamination reduces the fluid's ability to act as a lubricant, eventually leading to increased wear and tear within the transmission. To prevent excess wear and keep your transmission in top shape, the fluid and filter should be replaced regularly. As per ZF's recommendations, we suggest performing a full service on your 8HP automatic transmission every 50,000 miles. If your vehicle has been modified to produce more power than stock or if it is regularly track-driven, we recommend shorter 30,000-mile service intervals. This will ensure your transmission's fluid is free from contamination, which will help extend the life of internal transmission components, such as clutch packs and solenoids.
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Bav Auto Axle Shaft Impact Force Screw Adapter
Bav Auto Axle Shaft Impact Force Screw Adapter
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580429
Part#: B8800122
In Stock
Sale - Save 10% $ 40.99

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

$ 36.89 USD
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$ 40.99

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$ 36.89 USD
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For use with B8800120 (Hub Puller Adapter) as an impact driver to aid in removal of stuck CV axle shafts.
Bav Auto Hub Adapter / Hub Puller
Bav Auto Hub Adapter / Hub Puller
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580427
Part#: B8800120
Ships on Oct 21, 2026
Sale - Save 10% $ 109.99

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

$ 98.99 USD
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$ 109.99

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$ 98.99 USD
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For use with B8800122 impact driver to remove stuck CV axle shafts.
Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580335
Part#: B8800003
In Stock
Sale - Save 15% $ 60.99

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

$ 51.84 USD
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$ 60.99

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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids. For draining differentials we recommend using the Bavarian Autosport adapter part # B3300000.
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Bav Auto Wheel Bearing Tool Master Set
Bav Auto Wheel Bearing Tool Master Set
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580402
Part#: B8800092
Ships in 10 Business Days
Sale - Save 5% $ 355.99

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

$ 338.19 USD
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$ 355.99

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$ 338.19 USD
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For removal and installation of pressed in rear wheel bearings on most BMW's and pressed in front wheel bearing on many all-wheel drive BMWs.
Pentosin ATF 8 Automatic Transmission Fluid - 5 Liters - BMW 8HP Transmissions
Pentosin ATF 8 Automatic Transmission Fluid - 5 Liters - BMW 8HP Tran...
Pentosin - Corporate Logo
T#:45997487
Part#: 1058210
In Stock
$ 131.99 USD
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$ 131.99 USD
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Bav Auto 36MM 12 Point Socket - 1/2" Drive
Bav Auto 36MM 12 Point Socket - 1/2" Drive
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580421
Part#: B8800114
In Stock
Sale - Save 25% $ 29.99

This product was last offered at the strikethrough price on
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$ 22.49 USD
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This is a thin-walled 1/2" drive 36mm impact socket - useful in removing or installing wheel bearing and axle nuts on several BMW models.
Pentosin Automatic Transmission Fluid (ATF 84) - 1 Liter - BMW MINI
Pentosin Automatic Transmission Fluid (ATF 84) - 1 Liter - BMW MINI ...
For vehicles with the GA8G45AW automatic transmission
Pentosin - Corporate Logo
T#:45723155
Part#: 83222413477
Ships on Oct 1, 2026
$ 26.99 USD
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$ 26.99 USD
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Ensure your transmission fluid is changed around every 60,000 miles to prolong transmission life, prevent excess wear and tear of sensitive transmission components, and maintain smooth operation. This Pentosin ATF 84 automatic transmission fluid is a suitable replacement for BMW / MINI ATF 7 transmission fluid. It has been specifically designed to deliver performance and increase fuel efficiency for modern automatic transmissions, where reduced viscosity is required and meets stringent DEXRON-ULC and MERCON-ULV specifications. ATF 84 also provides exceptional anti-shudder performance and consistent and strong friction control properties.
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Bav Auto Hub Puller Slide Hammer Adapter
Bav Auto Hub Puller Slide Hammer Adapter
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580428
Part#: B8800121
In Stock
Sale - Save 18% $ 21.99

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

$ 17.99 USD
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$ 21.99

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$ 17.99 USD
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Necessary in order to use Bav Auto's Hub Adapter/Puller (B8800120) . 5/8" x 18T UNF thread.
Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission
Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission ...
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580447
Part#: B8800142
In Stock
Sale - Save 25% $ 19.99

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

$ 14.99 USD
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$ 19.99

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Makes changing your transmission fluid an easy task. 1/2 " drive, for use in BMWs with 17mm female allen transmission drain plugs.
Pentosin Super DOT4 Brake Fluid - 1 Liter
Pentosin Super DOT4 Brake Fluid - 1 Liter
Pentosin - Corporate Logo
T#:348645
Part#: BF1P4
In Stock
$ 19.99 USD
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$ 19.99 USD
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Boiling Point - Dry 265°C (509°F) / Wet >165°C (329°F)
Transmission Fluid Service Kit
Transmission Fluid Service Kit
Pentosin - Corporate Logo
T#:57725172
Part#: 83220142516
Ships in 3 Business Days
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$ 462.99 USD
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$ 462.99 USD
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Keep your transmission performing at its peak on both the street and the track with high-grade synthetic fluid designed for modern automatic gearboxes.
Pentosin ATF 9 Automatic Transmission Fluid - 1 Liter
Pentosin ATF 9 Automatic Transmission Fluid - 1 Liter
Pentosin - Corporate Logo
T#:46134785
Part#: 1058111
In Stock
$ 35.99 USD
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$ 35.99 USD
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Pentosin ATF9 is specially developed with reduced viscosity to optimize the performance of the latest generation 8 and 9-speed ZF automatic transmissions. Pentosin ATF 9 has been developed to deliver outstanding friction control to ensure excellent shifting performance.
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Pentosin ATF 9 Automatic Transmission Fluid - 5 Liters
Pentosin ATF 9 Automatic Transmission Fluid - 5 Liters
Pentosin - Corporate Logo
T#:46134786
Part#: 1058211
In Stock
$ 163.99 USD
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$ 163.99 USD
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Pentosin ATF9 is specially developed with reduced viscosity to optimize the performance of the latest generation 8 and 9-speed ZF automatic transmissions. Pentosin ATF 9 has been developed to deliver outstanding friction control to ensure excellent shifting performance.
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