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Transmission and Differential Fluid

Keeping drivetrain fluids fresh and in proper service is paramount to maintaining your BMW properly. Typical service intervals range anywhere from 60-100k miles.
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Royal Purple Synchromax Manual Transmission Fluid - 1 Quart - BMW
Royal Purple Synchromax Manual Transmission Fluid - 1 Quart - BMW ...
Royal Purple - Corporate Logo
T#:361158
Part#: 01512
In Stock
$ 23.99 USD
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$ 23.99 USD
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Royal Purple® Synchromax® is recommended for manual transmissions that specify an automatic transmission fluid or other light-viscosity oil. It is also ideal for transfer cases and 2-cycle motorcycle gearboxes that specify light viscosity lubricants. Synchromax is formulated with Royal Purple’s synthetic, proprietary Synerlec additive technology, offering improved shift quality over a wide temperature range and reduced gear noise. Synchromax is fully compatible with all types of friction materials and offers excellent corrosion and oxidation protection without affecting the soft metals commonly found in manual transmission synchronizers.
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OEM Rein Transfer Case Fluid - 1 Liter - BMW
OEM Rein Transfer Case Fluid - 1 Liter - BMW
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Rein - Corporate Logo
T#:20089545
Part#: 83222409710
Ships in 7 Business Days
$ 50.99

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

$ 49.99 USD
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$ 49.99 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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Royal Purple Max-Gear Gear Oil - 75w90 - 1 Quart - BMW
Royal Purple Max-Gear Gear Oil - 75w90 - 1 Quart - BMW
Royal Purple - Corporate Logo
T#:369661
Part#: 01300
In Stock
$ 22.99 USD
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$ 22.99 USD
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Max Gear is a high-performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. Max Gear virtually eliminates both gear and bearing wear—even under severe squeeze film conditions caused by extremely high loads, sudden shock loads, or low RPMs. Slippery, synthetic molecules not only reduce wear and friction but significantly increase Max Gear’s cold weather fluidity and lubricity, making it the ideal choice for vehicles operating in cold climates. Gears run smoother, quieter, cooler, and longer without overhauls. It is non-corrosive to both ferrous and nonferrous metals.
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Automatic Transmission Fluid - Shell LA 2634 compatible - 1 Liter
Automatic Transmission Fluid - Shell LA 2634 compatible - 1 Liter ...
Fuchs - Corporate Logo
T#:2973
Part#: 83229407765
Ships in 1 day
$ 16.99 USD
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$ 16.99 USD
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This Fuchs Titan 3353 Automatic Transmission Fluid - ATF - is the equivalent to Shell LA 2634. It is designed to work on BMWs with "Black Tag" Automatic transmissions. It fits BMW E34 540i. E32 740i 740il. E31 840i only for cars with "Black Tag" transmissions.

This item fits the following BMWs:
1993-1995 E34 BMW 540i
1993-1994 E32 BMW 740i 740il
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