BMW Drivetrain Parts for BMW X Series F26 (2015+)

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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 ...
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Bav Auto Tools - Corporate Logo
T#:580353
Part#: B8800025
In Stock
Sale - Save 25% $ 32.99

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$ 24.74 USD
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$ 32.99

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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
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$ 21.33 USD
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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
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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
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$ 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
Clutch Switch
Clutch Switch
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URO - Corporate Logo
T#:31092583
Part#: 35426876898
In Stock
$ 31.99 USD
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$ 31.99 USD
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Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
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Bav Auto Tools - Corporate Logo
T#:580336
Part#: B8800004
In Stock
Sale - Save 25% $ 38.99

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$ 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
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Bav Auto Tools - Corporate Logo
T#:580437
Part#: B8800132
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Sale - Save 10% $ 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
Bav Auto Axle Shaft Impact Force Screw Adapter
Bav Auto Axle Shaft Impact Force Screw Adapter
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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
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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 Fluid Transfer Pump - 1 Liter - Viton Seals
Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
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Bav Auto Tools - Corporate Logo
T#:580335
Part#: B8800003
In Stock
Sale - Save 15% $ 60.99

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$ 51.84 USD
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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 Hub Adapter / Hub Puller
Bav Auto Hub Adapter / Hub Puller
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Bav Auto Tools - Corporate Logo
T#:580427
Part#: B8800120
In Stock
Sale - Save 10% $ 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 Wheel Bearing Tool Master Set
Bav Auto Wheel Bearing Tool Master Set
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Bav Auto Tools - Corporate Logo
T#:580402
Part#: B8800092
Ships on Aug 10, 2026
Sale - Save 5% $ 355.99

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$ 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.
Bav Auto 36MM 12 Point Socket - 1/2" Drive
Bav Auto 36MM 12 Point Socket - 1/2" Drive
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Bav Auto Tools - Corporate Logo
T#:580421
Part#: B8800114
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Sale - Save 25% $ 29.99

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$ 22.49 USD
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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.
Bav Auto Hub Puller Slide Hammer Adapter
Bav Auto Hub Puller Slide Hammer Adapter
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Bav Auto Tools - Corporate Logo
T#:580428
Part#: B8800121
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Sale - Save 18% $ 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.
URO Transfer Case Output Shaft Seal - 27107546667
URO Transfer Case Output Shaft Seal - 27107546667
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T#:641263
Part#: 27107546667
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$ 7.99 USD
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$ 7.99 USD
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The URO Transfer Case Output Shaft Seal provides a reliable solution for replacing damaged or worn seals in your BMW's transfer case. This durable seal ensures a leak-free operation and helps maintain the overall performance of the drivetrain.
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Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission
Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission ...
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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
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$ 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.
URO Automatic Transmission Cooler - BMW F25 X3, F26 X4
URO Automatic Transmission Cooler - BMW F25 X3, F26 X4
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T#:5001928
Part#: 17217593856
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$ 137.99 USD
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$ 137.99 USD
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Is your BMWs transmission cooler leaking or damaged? This URO replacement is the perfect fix without the Genuine BMW cost
URO AT Plug Sealing Sleeve - BMW Multiple Applications
URO AT Plug Sealing Sleeve - BMW Multiple Applications
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T#:37858381
Part#: 24147588896
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$ 10.99 USD
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$ 10.99 USD
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URO AT Plug Sealing Sleeve - BMW Multiple Applications

URO AT Plug Sealing Sleeve - BMW Multiple Applications is a high-quality replacement designed to prevent automatic transmission fluid leaks and restore optimal transmission performance. This direct-fit sealing sleeve replaces worn or cracked originals, ensuring a secure and long-lasting seal.

  • Direct-fit OE replacement restores factory sealing integrity
  • Prevents ATF leakage that can lead to transmission performance issues
  • OE-style o-ring profile and durometer ensure proper compression and fit
  • Manufactured from high-quality materials to resist extreme heat and ATF corrosion
  • Enhances transmission reliability and longevity
  • Backed by a 24-month unlimited mileage warranty

Compatible with multiple BMW applications, this URO AT Plug Sealing Sleeve helps maintain smooth shifting and overall transmission efficiency.

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Transmission Mount
Transmission Mount
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URO - Corporate Logo
T#:16441630
Part#: 22316850468
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$ 38.99 USD
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An often overlooked bit of maintenance, the transmission mounts in your vehicle are of paramount importance. They keep your driveline triangulated and mounted securely. Over the years and exposure to the elements, the rubber in these mounts can degrade. With bad transmission mounts, excessive vibration and noise is transferred to the cabin. The rubber in the mounts wears out over time and causes too much movement in the drivetrain. Replace them when wear is detected to keep everything tight.
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