Redline Fluids for BMW X Series F16 (2015+)

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If you're looking for BMW engine oil, brake fluid, transmission and diff fluid, power steering fluid, or coolant, this is the place. We also stock a variety of additives that we have seen benefits from.

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Red Line MTL Manual Transmission Fluid/Oil
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T#:3426
Part#: MTL
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$ 25.49 USD
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$ 25.49 USD
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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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Red Line 75W-90 Differential Gear Oil
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T#:3605
Part#: 8352257904
In Stock
$ 25.99 USD
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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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Red Line MT-90 Manual Transmission Fluid 75w90 - 1 Quart - BMW ...
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T#:340531
Part#: RL MT90
In Stock
$ 25.49 USD
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RED LINE MT-90 is designed to provide excellent protection and improved shiftability for manual transmissions and transaxles. MTL and MT-90 have cured the problem of hard shifting in numerous transmissions which have notoriously difficult shifting. The secret to their success is two-fold. First, they have the appropriate coefficient of friction for most manual transmission synchronizers. Many gear oils, engine oils, and ATFs are too slippery for proper synchro engagement. Secondly, the viscosity characteristics of MTL and MT-90 allow proper shifting over the entire temperature range which the transmission will experience. The synthetic base oils used have a very high viscosity index which provides relatively constant viscosity as temperature changes. MTL is a low 75W, almost a 70W, at very low temperatures and a high 80W, nearly an 85W, at elevated temperatures, providing adequate viscosity to prevent wear and deaden gear noise. MT-90 is a thicker 75W90 version of MTL. The shear stability and oxidation stability of these products are excellent, thus the physical characteristics of Red Line MTL and MT-90 will change little with use.
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Red Line 5W-40 Synthetic Engine Oil - 1 Gallon - BMW
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T#:4921478
Part#: 15405
In Stock
$ 69.99 USD
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$ 69.99 USD
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Red Line 5W40 synthetic motor oil. 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. Red Line 5W40 engine oil provides for quicker lubrication and easier start-up. Reduces turbo lag and provides more power and economy in a properly functioning engine, while providing 25% thicker oil films than a petroleum 5W40 or 10W40.
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Red Line 75W110 Differential Gear Oil
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T#:388297
Part#: 57804
In Stock
$ 25.89 USD
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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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Red Line Manual Transmission / Differential Fluid 75w90
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T#:394768
Part#: REDLINE4A
In Stock
Starting at $ 25.99 USD
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Starting at $ 25.99 USD
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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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75w90NS GL-5 Gear Oil - 1 Quart
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T#:31556153
Part#: 1063078TSP
In Stock
$ 25.49 USD
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Red Line 50WT (15w50) SAE Race Oil
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T#:394831
Part#: REDLINE24A
In Stock
Starting at $ 22.99 USD
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Starting at $ 22.99 USD
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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. For use where extremely high temperatures may be encountered and when engine durability is the primary concern.
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Red Line 75W-140NS Differential Oil
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T#:389801
Part#: 57104
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$ 25.49 USD
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Red Line Lightweight ShockProof� Gear Oil
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T#:1233
Part#: TMS1233
Ships on Jul 28, 2026
$ 25.99 USD
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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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SuperLight ShockProof Gear Oil - 12/1quart
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T#:22789648
Part#: 58504
In Stock
$ 25.99 USD
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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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Engine Oil (10w-60) - 1 Quart - Case Of 12
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T#:384813
Part#: 11704KT
In Stock
$ 218.99 USD
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$ 218.99 USD
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Engine Oil (10w-60) - 1 Quart - Case Of 12 is a premium choice for performance enthusiasts, particularly popular for newer BMW M-cars such as the E46 M3 and E60 M5. This fully-synthetic ester formula is engineered for passenger cars, light trucks, and performance vehicles, providing exceptional wear protection and friction reduction across a wide range of operating conditions. With its high detergency, this engine oil allows for extended drain intervals while maintaining cleanliness.

Benefits:

  • Optimal Performance: Specifically recommended for API SN/SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 applications.
  • Excellent Wear Protection: The formula reduces friction and offers superior wear protection, enhancing engine longevity.
  • Extended Drain Intervals: High detergency helps maintain cleanliness and allows for longer oil change intervals.
  • Improved Fuel Economy: Provides better ring seal for increased power and efficiency, contributing to fuel savings.
  • High Temperature Stability: Superior oxidation resistance ensures consistent lubrication even at elevated temperatures.
  • Versatile Compatibility: Fully compatible with both conventional and synthetic motor oils, making it easy to switch without issues.
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