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BMW Drivetrain Parts for BMW 5 Series E34 (1987-1995)

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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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SKF Driveshaft Center Support Bearing

T#:13308

Part#: 26121225071

In Stock

$ 67.99 USD

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$ 67.99 USD

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GROOVED BALL BEARING:H2610D

Valeo Single Mass Flywheel Conversion Kit - E28, E30, E34, E36 ...

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T#:377153

Part#: 52281208

Ships in 2 Business Days

$ 807.22 USD

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$ 807.22 USD

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Upgrade from your failure prone dual mass flywheel with this kit. Includes single mass flywheel, clutch kit and hardware.

Differential And LSD Tune

T#:34382136

Part#: BM237HAKT

Ships in 3 Business Days

$ 2,100.00 USD

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$ 2,100.00 USD

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Upgrade to a better performing LSD, includes tune.

Valeo Clutch Kit - E28, E30, E34, E36

For vehicles with production date from 05/1986

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T#:379443

Part#: 21211223546

Ships in 6 Business Days

$ 362.99 USD

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$ 362.99 USD

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Replace your worn or slipping clutch to restore drivability. Comprehensive kit includes pressure plate, clutch disc, throw out bearing, pilot bearing, and clutch alignment tool.

E46 M3, E9X M3, E34 M5, E39 M5, Z4 M OS Giken Super Lock Limited Slip...

T#:1387

Part#: BM237-HA

Ships in 3 Business Days

$ 1,950.00 USD

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$ 1,950.00 USD

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The M Dynamic limited slip unit on the M3 is designed to be a pure street car differential. It's simply not up to the rigors of professional or amateur racing. The OS Giken Super Lock LSD is giant step up in from a stock M3 lsd unit. It's ready for the extreme conditions of racing, offers 100% progressive locking capability, and is able to do this while operating smoothly and quietly. It's use of advanced technologies that make it perfect for both street cars AND pro race cars... and everything in between. We're excited to be carrying the OS Giken LSD unit in our performance catalog, as we've been using them in our own Championship winning M3 race cars.

OS Giken incorporated revolutionary new ideas when developing the their own limited slip diff, utilizing their accumulated racing knowledge and experience and over 4 years of development. Their design uses an unprecedented number of friction plates (up to 28 total!) for better locking force, better engagement/disengagement, and less generated heat. The end result of their efforts is the OS Giken's OS Super Lock LSD which offers incredible durability and reliability on street and track driven BMWs. The use of highest quality materials, precise machining, forged gears and sound engineering makes this LSD durable and reliable enough for road racing performance (which we can personally vouch for!). This is such a great design, in that it can be used in any situation -- whether it's for a street car, or a 100% Professional race car. Zero break-in required. Super smooth and quiet engagement, and 100% progressive locking capability. Professional installation is recommended.

This Limited Slip Differential Unit fits the following BMWs:
2001-2006 E46 M3 coupe & convertible
2008-2013 E9X M3 coupe & convertible
1991-1995 E34 M5 sedan
1999-2003 E39 M5 sedan
2006-2008 E85 Z4M Z4 M Coupe, Z4 M Roadster

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SKF Seal - Differential Pinion Shaft (50 X 80 X 9 mm)

T#:588869

Part#: 33121213949

In Stock

$ 17.99 USD

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$ 17.99 USD

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SKF Output Shaft Seal - E34, E36, E39, E46, Z3

For vehicles with transmission code S5D320Z/S5D310Z and production date up to 07/1992

T#:598526

Part#: 23111224799

In Stock

$ 10.99

This product was last offered at the strikethrough price on
06-24-2026

$ 9.99 USD

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$ 9.99 USD

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With age, seals begin to fail allowing fluids to leak. If you notice a leak coming from the output shaft on your transmission, a failing output shaft seal can be the cause.

Shifter Ball Bushing

T#:343899

Part#: 25111469397

Ships in 3 Business Days

$ 13.46

This product was last offered at the strikethrough price on
07-02-2026

$ 6.55 USD

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$ 6.55 USD

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LSD Tune For OS Giken Differential

T#:34382134

Part#: LSD-TUNE

Ships in 3 Business Days

$ 150.00 USD

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$ 150.00 USD

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Shifter Ball Bushing

T#:46856375

Part#: 25111220600

Back Ordered

$ 6.11 USD

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$ 6.11 USD

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SKF Automatic Transmission Output Shaft Seal

T#:2602205

Part#: 24111215465

Ships in 10 Business Days

$ 8.99 USD

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$ 8.99 USD

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