BMW Transmission Filter Kits & Transmission Service Parts for BMW E92 M3 S65 4.0L

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BMW automatic transmissions require a regular filter and fluid change. While BMW has recently implemented 'Lifetime' fluid on most current models, we feel that it is critical to change the transmission filter and flush the fluid at least every 50,000 miles. We carry the BMW transmission filters and special transmission fluids for your BMW.

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Packaged by Turner - Corporate Logo
T#:401680
Part#: 83220440214KT3
In Stock
Sale - Save 3% $ 350.99
$ 340.10 USD
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Sale - Save 3% $ 350.99
$ 340.10 USD
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The DCT transmission in your BMW is nothing short of incredible and exhilarating, but also astronomically expensive to replace. BMW has been labeling fluids as "lifetime" for quite some time now, and as enthusiasts and owners have learned over the years, there simply is no fluid that last a lifetime.

This DCT service kit that takes the guesswork out of a fluid change . No need to track down the correct fluid and plugs, simply open the box, and get the job done the correct way. By servicing your DCT transmission, you will be assured that old, broken down fluid won't cause a several thousand dollar nightmare. We recommend this service every 40,000 miles to keep your transmission going strong for years to come.

Kit includes:

  • 5 quarts of Pentosin DCTF-1 fluid
  • DCT transmission cartridge and suction filters
  • Drain and fill plugs

Please note: We include 5 quarts of DCT fluid because without a GT1 diagnostic tool and much more involved labor, you will not be able to replace over 5 quarts of fluid. Many elect to do this service and simply flush the fluid 5,000 miles later to ensure all fluid has been flushed, but this is not mandatory.

Both the cartridge and suction filters have their own challenges in replacing. For best results, replace both.

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Packaged by Turner - Corporate Logo
T#:584100
Part#: 23117531356DSKT
In Stock
Sale - Save 5% $ 107.88
$ 102.49 USD
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Sale - Save 5% $ 107.88
$ 102.49 USD
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The oil in your manual transmission is extremely vital to the life of your transmission. Over time it will begin to break down, lose viscosity, and begin to allow excess heat and friction. This kit is the perfect remedy to this problem. It includes 2 quarts of Redline 75w80 transmission oil that features a fully synthetic base for better protection and wear resistance. Also, a fill and drain plug.
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Premium Differential Service Kit - E46 M3, E9X M3, E82 1 M Coupe ...
Includes BMW SAF-XJ limited slip differential fluid with FM booster
Packaged by Turner - Corporate Logo
T#:598688
Part#: E46M3DIFSERTMSKT
In Stock
Sale - Save 5% $ 252.99
$ 240.07 USD
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Sale - Save 5% $ 252.99
$ 240.07 USD
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Servicing your differential is an important job and should only be completed using high quality components! To ensure our customers are getting exactly what they need, we have put together this limited-slip differential service kit that includes all new fluid from BMW, a new BMW drain plug, and one of our new Titanium Magnetic Differential Drain Plugs!
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Packaged by Turner - Corporate Logo
T#:5389753
Part#: 28108070791TMSKT
Ships Sep 24, 2025
Sale - Save 10% $ 552.99
$ 495.78 USD
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Sale - Save 10% $ 552.99
$ 495.78 USD
Free Shipping
The DCT transmission in your BMW is nothing short of incredible and exhilarating, but also astronomically expensive to replace. BMW has been labeling fluids as "lifetime" for quite some time now, and as enthusiasts and owners have learned over the years, there simply is no fluid that last a lifetime. With that being said, Turner Motorsport has assembled a proper DCT service kit that takes the guesswork out of the equation. No need to track down the correct fluid and plugs, simply open the box, and get the job done the correct way. By servicing your DCT transmission, you will be assured that old, broken down fluid won't cause a several thousand dollar nightmare. Turner Motorsport recommends this service every 40,000 miles to keep your transmission going strong for years to come. Kit includes: 5 quarts of Pentosin DCTF-1 fluid DCT transmission cartridge and suction filters Drain and fill plugs Oil pan with gasket Please note: We include 5 quarts of DCT fluid because without a GT1 diagnostic tool and much more involved labor, you will not be able to replace over 5 quarts of fluid. Many elect to do this service and simply flush the fluid 5,000 miles later to ensure all fluid has been flushed, but this is not mandatory. Both the cartridge and suction filters have their own challenges in replacing. For best results, replace both.
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Redline - Corporate Logo
T#:3426
Part#: MTL
In Stock
$ 23.10 USD
Free Shipping on orders $49 and up
Red Line 70W/80W GL-4 MTL gear oil (SAE 5W30/10W30 engine oil viscosity) designed for use in BMW manual transmissions. Provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting. The MTL can be used as a replacement for the factory MTF or MTF-LT2 used by BMW. Add MTL to older BMWs that have become tough to shift will restore shift smoothness. Many experts agree that this is best lubricant to use in BMW manual transmissions. Sold by the quart.
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Redline - Corporate Logo
T#:3605
Part#: 8352257904
In Stock
$ 23.53 USD
Free Shipping on orders $49 and up
Red Line 75W90 is a full synthetic high-performance gear oil that is an excellent substitute for expensive factory fluid and an upgrade over off-the-shelf economy fluid. Red Line thoroughly evaluates the manufacturer's recommendations and only makes a fluid recommendation if their own product meets or exceeds the original specification. In many cases the Red Line synthetic will outperform the factory supplied fluids. We've been using Red Line Oil in our BMWs since we opened in 1994 and it remains our best selling BMW differential fluid. 75/90 is the weight most commonly used in BMW differentials since the 1960s, including the factory clutch-type limited-slip diffs (exceptions being M3/M5/M6 cars since 2001). We use 75W90 in nearly all BMW chassis and the custom differentials that we sell. It's great for the street where the polyol-ester base has natural lubricity and friction modifiers lead to smoother and quieter operation with lower operating temps than the factory fluid. We also use it in some track cars that don't already use the more aggressive 75/90NS fluid (without friction modifiers).

Recommended or exceeds specifications for API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360, and Chrysler spec MS-9763. Matches the specifications for the factory BMW SAF-XO diff fluid (#07512293972).
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Redline - Corporate Logo
T#:394774
Part#: REDLINE8A
In Stock
Starting at $ 24.28 USD
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Starting at $ 24.28 USD
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All sets of 12 now 10% off regular price!

Red Line 75W140 is a full synthetic high-performance gear oil that is an excellent substitute for expensive factory fluid and an upgrade over off-the-shelf economy fluid. Red Line thoroughly evaluates the manufacturer's recommendations and only makes a fluid recommendation if their own product meets or exceeds the original specification. In many cases the Red Line synthetic will outperform the factory supplied fluids. We've been using Red Line Oil in our BMWs since we opened in 1994 and it remains our best selling BMW differential fluid. 75/140 is a specialized weight used for BMW M3, M5, and M6 models with the M Variable limited slip diff (all M models since 2001). Red Line fluid is used in nearly all E46 M3, E92 M3, E60 M5 we service as well as the custom differentials that we sell. It's great for the street where the polyol-ester base has natural lubricity and friction modifiers lead to smoother and quieter operation with lower operating temps than the factory fluid. We also use it in the track cars we build and prep. It may also be used in other specialized situations where a regular 75/90 will be too thin at elevated temperatures and your diff builder has approved a heavier weight oil.

Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, and SAE J2360. An alternative to the very expensive factory BMW SAF-XJ+FM diff fluid (#83222282583).

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Redline - Corporate Logo
T#:388297
Part#: 57804
In Stock
$ 23.53 USD
Free Shipping on orders $49 and up
Redline's 75W110 suprasses all GL-5 specifications, and its full synthetic formula is engineered to provide superior wear resistance with longer service intervals. Special friction modifiers for clutch-type LSDs allow for flawless operation even in extreme conditions. It offers less noise and higher film strength than 75W90 and less drag than 75W140, making it a great fluid for troubleshooting noisy gear sets.
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Redline - Corporate Logo
T#:388305
Part#: 50104
In Stock
$ 23.53 USD
Free Shipping on orders $49 and up
Redline's 75W85 suprasses all GL-5 specifications, and  meets the requirements of SAE 75W80, 75W, 80W, and 85W. Its full synthetic formula is engineered to provide superior wear resistance with longer service intervals. Special friction modifiers for clutch-type LSDs allow for flawless operation even in extreme conditions. Due to its extreme slipperiness, it may cause shifting problems in synchronized manual transmissions and is not recommended for that application.
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Redline - Corporate Logo
T#:1234
Part#: TMS1234
In Stock
$ 23.99 USD
Free Shipping on orders $49 and up
A unique lubricant containing a suspension of solid microscopic particles as an extreme pressure agent--unique solid dispersion which cushions gear teeth to help prevent tooth breakage and allows the use of lower viscosities. Recommended for heavily-loaded racing differentials and transmissions, Off Road racing and problem gearboxes. The viscosity characteristics allow the lubricant to resist throwoff and provide a film thickness similar to a 75W250 grade, while providing the same low fluid friction as an SAE 75W90. We have been using RedLine Oil in our street cars and race cars for years. Hands-down, it is the Number One brand of high performance lubricant for BMWs.
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Redline - Corporate Logo
T#:394768
Part#: REDLINE4A
In Stock
Starting at $ 23.53 USD
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Starting at $ 23.53 USD
Free Shipping on orders $49 and up
Red Line 75W90 is a full synthetic high-performance gear oil that is an excellent substitute for expensive factory fluid and an upgrade over off-the-shelf economy fluid. Red Line thoroughly evaluates the manufacturer's recommendations and only makes a fluid recommendation if their own product meets or exceeds the original specification. In many cases the Red Line synthetic will outperform the factory supplied fluids. We've been using Red Line Oil in our BMWs since we opened in 1994 and it remains our best selling BMW differential fluid. 75/90 is the weight most commonly used in BMW differentials since the 1960s, including the factory clutch-type limited-slip diffs (exceptions being M3/M5/M6 cars since 2001).
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Redline - Corporate Logo
T#:1233
Part#: TMS1233
In Stock
$ 23.99 USD
Free Shipping on orders $49 and up
A unique gear oil designed to lubricate racing transmissions and transaxles which see serious loads (not recommended for most syncro-type transmissions). It has excellent low-temperature flow which allows easier shifting when cold. May be used to obtain maximum power transfer in racing differentials which do not see high temperatures. Similar to a 75W140 gear oil, but with the lower internal friction of an SAE 30 motor oil.Used in two-stroke and four-stroke motocross transmissions (often mixed in equal parts with SuperLight ShockProof™ Gear Oil). Used in most road-racing differentials with moderate power and dogring racing transaxles.
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Redline - Corporate Logo
T#:22789648
Part#: 58504
Ships in 9 Business Days
$ 23.99 USD
Free Shipping on orders $49 and up
SuperLight ShockProof Gear Oil stands out as a specialized lubricant meticulously crafted for high-performance applications, specifically tailored for transmissions and gearboxes. This product, hailing from the renowned Red Line Oil, is intricately engineered to deliver exceptional protection even in the most demanding conditions. Here's a breakdown: SuperLight Formula: The "SuperLight" designation signifies that this gear oil is formulated to be lightweight while upholding robust performance characteristics. This makes it a favored choice in racing and high-performance environments, where minimizing fluid friction and enhancing efficiency are paramount. ShockProof Technology: The incorporation of "ShockProof" technology underscores the gear oil's ability to provide outstanding protection against shock loads and extreme pressures. This feature is particularly crucial in scenarios where gears face substantial impact or stress, such as in racing or aggressive driving. High-Performance Applications: Tailored for high-performance and racing vehicles, SuperLight ShockProof Gear Oil is adept at handling the rigorous conditions experienced by transmissions and gearboxes in such demanding applications. Reduced Friction: The lightweight composition of the oil contributes to friction reduction, potentially elevating the overall efficiency of the transmission or gearbox. This characteristic can translate to improved power transfer and enhanced performance. Red Line Oil: As a reputable manufacturer, Red Line is synonymous with producing top-quality lubricants for various automotive applications. Their products enjoy popularity among automotive enthusiasts and industry professionals alike.
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Redline - Corporate Logo
T#:394833
Part#: REDLINE25A
Ships Jul 18, 2025
Starting at $ 90.99 USD
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Starting at $ 90.99 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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Redline - Corporate Logo
T#:394785
Part#: REDLINE18A
In Stock
Starting at $ 10.99 USD
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Starting at $ 10.99 USD
Free Shipping on orders $49 and up

All sets of 12 now 10% off regular price!

Add to your limited slip differential to improve the fluid and wear prevention!

Features:

  • Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
  • High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
  • Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
  • Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
  • Exceed API GL-5 specifications
  • Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear
  • 4 oz. bottle
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Redline - Corporate Logo
T#:201458
Part#: 21404
Ships Jul 21, 2025
$ 16.99 USD
Free Shipping on orders $49 and up
  • Recommended for API CJ-4/CI-4 Plus/CI-4/CF/CH-4/CF-4
  • Popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins, Ford Power Stroke
  • Best choice in medium and heavy-duty diesel truck engines for maximum durability
  • Improved drain intervals provide excellent value for commercial fleet use
  • Also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9, MB 228.3
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