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Revshift BMW Drivetrain Parts for BMW E30 M3 S14 2.3L

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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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Revshift Race Flex Disc - E30 with 24V Swap

T#:1105929

Part#: PFX-24V

Ships in 8 Business Days

$ 149.99 USD

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FOR RACE USE ONLY! This flex disc is for a 1983-1991 E30 BMW 3-series with an M50/M52/S50/S52 engine swap. It adapts the 96mm/12mm ZF transmission flange to the 78mm/10mm E30 driveshaft. It allows you to retain the oem 325i driveshaft when doing a 24v engine and ZF transmission swap. (Not compatible with the 4-cylinder driveshaft) The Revshift race flex disc frame is made from 6061 aluminum with type III hard anodizing and utilizes high-quality polyurethane bushings to maximize stiffness and strength while maintaining an appropriate amount of flex. FOR RACE USE ONLY! This part is very rigid and requires precise installation. The driveline must be properly aligned and all driveline components must be in good condition and properly balanced. The engine mounts, trans mounts, differential bushings, and subframe bushings must all be rigid to prevent driveline movement. We recommend a hardness of 95a or higher for these components. A new center support bearing and driveshaft centering bushing are also recommended. Features: 6061 aluminum frame with type III hard anodizing 95A polyurethane bushings Enables use of oem driveshaft Rebuildable using one of our flex disk rebuild kits Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Revshift Race Flex Disc - LK=78mm/10mm - BMW E30

T#:1105930

Part#: PFX-7810

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$ 149.99 USD

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FOR RACE USE ONLY! This race flex disc is the small 78mm with 10mm bolt holes. It is commonly found on E30 vehicles with an automatic or manual transmission (excluding the M3 and 325E). The Revshift race flex disc frame is made from 6061 aluminum with type III hard anodizing and utilizes high quality polyurethane bushings to maximize stiffness and strength while maintaining an appropriate amount of flex. FOR RACE USE ONLY! This part is very rigid and requires precise installation. The driveline must be properly aligned and all driveline components must be in good condition and properly balanced. The engine mounts, trans mounts, differential bushings, and subframe bushings must all be rigid to prevent driveline movement. We recommend a hardness of 95a or higher for these components. A new center support bearing and aft centering bushing are also recommended. Features: 6061 aluminum frame with type III hard anodizing 95A polyurethane bushings Replaces OEM part # 26111225624 (LK=78mm/10mm) Rebuildable using one of our flex disk rebuild kits Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Polyurethane Differential Bushings - E30/Z3

T#:1105908

Part#: PDB-E3095A

Ships in 4 Business Days

$ 49.99 USD

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$ 49.99 USD

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Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Revshift Polyurethane Engine Mounts - 95A - E30 24V Swap

T#:1105934

Part#: PMM-24V-95A

Ships in 8 Business Days

$ 149.99 USD

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$ 149.99 USD

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These mounts are designed for a 1983-1991 E30 BMW 3-series with a 24 valve M50/M52/S50/S52/S54 engine swap with an E21, 2002tii, or VW MK2 Golf brake booster. They use the OEM motor mount bolt holes on the E30 subframe. The mounts are angled with offset bolts to position the engine so that proper drivetrain alignment is maintained. They are used with E36 engine brackets. Revshift motor mounts are made by Revshift in the U.S.A. from high-quality polyurethane. Revshift mounts are the most durable and reliable mounts on the market. CNC machined billet aluminum flanged ends are embedded deep in the urethane which prevents the isolated ends from separating under extreme loads. Utilizing class 14.9 alloy steel removable screws these mounts will hold your engine in place for a lifetime. To further ensure the strength of these mounts we form the threads with a forming tap which creates denser and stronger threads in the billet aluminum end pieces. These mounts have removable screws for ease of installation. We recommend using Loctite on the threads during installation. Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Revshift Polyurethane Motor Mounts - 95A - BMW E30 M3

T#:582010

Part#: PMME30GREEN

Ships in 8 Business Days

$ 119.99 USD

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$ 119.99 USD

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These mounts are designed for a BMW E30 M3. Revshift polyurethane motor mounts are made in the U.S.A. from high-grade polyurethane. Revshift mounts are the most durable and reliable mounts on the market. CNC machined billet aluminum flanged ends are embedded deep in the urethane which prevents the isolated ends from separating under extreme loads. Utilizing class 14.9 alloy steel removable screws these mounts will hold your engine in place for a lifetime. To further ensure the strength of these mounts we form the threads with a forming tap which creates denser and stronger threads in the billet aluminum end pieces. Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Revshift Differential Studs And Spacers Kit - 12mm - BMW E30 ...

T#:1105928

Part#: DSS-12

Ships in 8 Business Days

$ 39.99 USD

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$ 39.99 USD

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These studs and spacers mount the differential 12mm from the subframe. They are intended to be used with our 12mm offset subframe bushings. When raising the subframe, the spacers allow the differential to mount in the stock location which maintains proper pinion angle. The studs keep the spacers in place making for a quick and easy installation. The spacers are made from 6061 aluminum. The class 12.9 studs have hex key reliefs. We recommend using loctite during installation. Flange nuts are included. Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Revshift Race Flex Disc - LK=96mm/12mm - BMW E30 E36 E46

T#:1105933

Part#: PFX-9612

Ships on Sep 21, 2026

$ 149.99 USD

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$ 149.99 USD

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FOR RACE USE ONLY! This is the large 96mm race flex disc with 12mm bolt holes. It is commonly found on the E30, E36, and E46 M3, as well as a wide range of other vehicles. Please refer to the cross-reference below. The Revshift race flex disc frame is made from 6061 aluminum with type III hard anodizing and utilizes high-quality polyurethane bushings to maximize stiffness and strength while maintaining an appropriate amount of flex. FOR RACE USE ONLY! This part is very rigid and requires precise installation. The driveline must be properly aligned and all driveline components must be in good condition and properly balanced. The engine mounts, trans mounts, differential bushings, and subframe bushings must all be rigid to prevent driveline movement. We recommend a hardness of 95a or higher for these components. A new center support bearing and driveshaft centering bushing are also recommended. Features: 6061 aluminum frame with type III hard anodizing 95A polyurethane bushings Replaces OEM part # 26117511454 and part # 26112226527 (LK=96mm/12mm) Rebuildable using one of our flex disk rebuild kits Revshift Performance Engineering is a high-performance parts manufacturer with a focus on quality, reliability, and performance. Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.

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Polyurethane Transmission Mounts - E30 M3

T#:1120841

Part#: PTM-E30M395A

Special Order: No Guaranteed ETA

$ 99.99 USD

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$ 99.99 USD

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These mounts are the most durable and reliable mounts on the market. CNC machined 6061-T6 billet aluminum flanged ends are molded deep into the polyurethane which prevent the isolated ends from separating under extreme loads. The class 14.9 threaded studs are removable with a hex wrench for ease of installation.

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Revshift - 24V Swap E30 Race Flex Disc - 12mm (ZF Swap)

This flex disc is for a 1983-1991 E30 BMW 3-series with an M50/M52/S50/S52 engine swap.

T#:40681013

Part#: PFX-24V12

Ships in 8 Business Days

$ 149.99 USD

Only available at this price

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$ 149.99 USD

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6061-T6 billet aluminum frame, 95A polyurethane bushings, enables use of oem driveshaft

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