BMW Transmission & Differential Fluids for BMW E21 320i M10 1.8L

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BMW transmission fluid is stated to be 'lifetime' with no maintenance necessary. That being said, if your BMW has over 100,000 miles, it is time for a filter and fluid change. Keeping this fluid and filter serviced is absolutely imperative to ensuring a long service life. Turner Motorsport carries only BMW approved fluids that will have you shifting smoothly for years to come.
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HYPOID AXLE OIL G3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:544180
Part#: 83222413512
Ships on Jul 29, 2026
3% off MSRP $ 90.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 87.99 USD
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3% off MSRP
$ 90.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 87.99 USD
Free Shipping

Turner Motorsport introduces the Genuine BMW Hypoid Differential Fluid - G3, the trusted gear oil used by BMW dealerships for open or non-locking rear differentials. Specifically formulated for BMW differentials, this genuine BMW oil offers ideal servicing, ensuring optimal performance for your BMW's differential.

  • Genuine BMW Fluid: Ensures compatibility and adherence to BMW's specifications.
  • Dealership-Grade Quality: Same gear oil used by local BMW dealerships.
  • Ideal for Open or Non-Locking Differentials: Formulated for superior performance in such differentials.
  • Optimal Servicing: Designed to meet the specific requirements of BMW differentials.

Maintain the peak performance of your BMW's differential with the Genuine BMW Hypoid Differential Fluid - G3 from Turner Motorsport.

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Red Line Manual Transmission/Differential Fluid 75W-90
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Redline - Corporate Logo
T#:394833
Part#: REDLINE25A
In Stock
Starting at $ 97.99 USD
Free Shipping
Starting at $ 97.99 USD
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Red Line MTL may be used in transmissions which recommend 75W, 80W, or 85W GL-4 gear oils, or SAE 30 or 5W/10W30 motor oils. If a 90W GL-4 or SAE 40, 10W40, or 15W40 is required, MT-90 may be used. If the transmission or transaxle requires an SAE 90 GL-5 gear oil, then Red Line 75W90NS or 75W140NS Gear Oil may be used.
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Manual Transmission/Differential Fluid 75W-90 - One Gallon
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Redline - Corporate Logo
T#:377991
Part#: 57905
In Stock
$ 97.99 USD
Free Shipping
$ 97.99 USD
Free Shipping

Enhance Your BMW's Performance with Red Line 75W90 Gear Oil

Enhance the performance of your BMW's differentials and manual transmissions with Red Line 75W90 Gear Oil, a top choice for fluid service. This gear oil is ideal for car and light truck differentials, including those in racing applications. It contains a special friction modifier for limited slip differentials and promotes smooth shifting in both cold and hot conditions. Red Line 75W90 exceeds API GL-5 specifications and can be used in transmissions requiring 75W, 80W, or 85W GL-4 gear oils, as well as SAE 30 or 5W/10W30 motor oils. For specific requirements like SAE 90 GL-5 gear oil, Red Line offers compatible alternatives like 75W90NS or 75W140NS Gear Oil.

Benefits:

  • Ideal for BMW differentials and manual transmissions
  • Special friction modifier for limited slip differentials
  • Promotes smooth shifting in various conditions
  • Exceeds API GL-5 specifications
  • Compatible with a wide range of transmission requirements
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