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BMW Drivetrain Parts for BMW 7 Series E23 (1978-1987)

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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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Febi Shift Tower Mount - E10, E21, E23, E24, E28, E30

For vehicles with production date from 09/1982

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T#:7617

Part#: 25111208580

In Stock at Vendor

$ 23.99 USD

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$ 23.99 USD

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BMW GEARSHIFT SUPPORTING BRACKET 25111208580

Febi Driveshaft Centering Sleeve

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T#:382476

Part#: 26117526611

Ships on Aug 31, 2026

$ 23.99 USD

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$ 23.99 USD

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Located at the front of the drive shaft

Febi Febi Manual Transmission Fluid (75w-80) - 1 Liter

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T#:1180762

Part#: G052911

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$ 29.99 USD

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$ 29.99 USD

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Fully synthetic high performance GL-5 gear oil excellent lubricating properties, high ageing resistance, and high wetting and adhesion properties

E24 633/635CSi/M6, E28 535i/M5 JB Racing Lightweight Aluminum Flywhee...

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T#:3770

Part#: 520-080-240

Ships in 5 Business Days

$ 630.00 USD

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$ 630.00 USD

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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

Stock Flywheel Weight = 22.0lbs
JB Flywheel Weight = 8.5lbs

This flywheel includes the ignition trigger wheel.

This item fits the following BMWs:
1982-1987 E23 BMW 733i 735i
1982-1989 E24 BMW 633csi 635csi M6
1985-1988 E28 BMW 535i 535is M5

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E34 M5 JB Racing Lightweight Aluminum Flywheel

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T#:3772

Part#: 520-090-240

Ships in 4 Business Days

$ 581.00 USD

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$ 581.00 USD

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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable.

Stock Flywheel Weight = 16.0lbs
JB Flywheel Weight = 8.0lbs

This item fits the following BMWs:
1991-1995 E34 BMW M5

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Febi Clutch Release/Throw-Out Bearing

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T#:382440

Part#: 21517521471

Back Ordered

$ 64.99 USD

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$ 64.99 USD

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Should be replaced each time the clutch is replaced

Febi Universal Flex Disc - E10, E12, E23, E28, E3

For vehicles with automatic transmission only

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T#:12518

Part#: 26111109603

In Stock at Vendor

$ 133.99

This product was last offered at the strikethrough price on
05-22-2026

$ 77.99 USD

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$ 77.99 USD

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OEM BMW UNIVERSAL JOINT:H26110

Febi Transmission Oil Filter - E23, E24, E28, E30, E32

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T#:372830

Part#: 24311218550

Ships in 1 day

$ 27.99 USD

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$ 27.99 USD

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Includes O-Ring

Febi Threaded Ring & Clamp - E12, E23, E24, E28, E3, E30, E36, E46, E...

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T#:363762

Part#: 26111209497

In Stock

$ 21.99

This product was last offered at the strikethrough price on
04-15-2026

$ 15.36 USD

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$ 15.36 USD

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Attaches the two halves of the driveshaft

Rear Axle Shaft Seal - E30 E36 E34 Z3 E28 E32

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T#:7916

Part#: 33107505602

Ships on Oct 6, 2026

$ 11.99 USD

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$ 11.99 USD

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This is the rear axle shaft seal that goes between the differential and the rear axle shaft. The dimensions are 67 x 44 x 10.

This item fits the following BMWs:
1990-1991 E30 BMW 318i 318is 318ic
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1982-1988 E28 BMW 524td 528e 533i 535i 535is
1989-1995 E34 BMW 525i 530i 535i
1983-1989 E24 BMW 633csi 635csi
1982-1987 E23 BMW 733i 735i
1988-1992 E32 BMW 735i 735il
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe

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Febi Transmission Mount - E23, E24, E28, E30

For vehicles with production date from 09/1985

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T#:363813

Part#: 23711175939

In Stock

$ 18.99 USD

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$ 18.99 USD

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Stop driveline vibration

Febi Output Shaft Seal - E10, E12, E21, E23, E24, E28, E3, E30, E32, ...

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T#:381870

Part#: 23121205340

In Stock

$ 5.23 USD

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$ 5.23 USD

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Located on the tail stock of the transmission

High Temperature CV Joint Grease - 120g Tube

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T#:26438189

Part#: G000633

In Stock

$ 11.99

This product was last offered at the strikethrough price on
04-15-2026

$ 8.15 USD

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$ 8.15 USD

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Febi Transmission O-Ring - E23, E24, E28, E30, E31, E32, E34 ...

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T#:382472

Part#: 24311218570

Ships in 1 day

$ 6.11 USD

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$ 6.11 USD

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Seals the transmission to the oil pan

Febi Automatic Transmission Oil Pan Gasket - E23, E24, E28, E30, E31,...

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T#:382469

Part#: 24111217082

Ships on Oct 6, 2026

$ 12.99 USD

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$ 12.99 USD

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Seal up your leaking oil pan

Febi Drain Plug Gasket

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T#:340702

Part#: 07119963355

Ships on Oct 6, 2026

$ 1.99 USD

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$ 1.99 USD

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22x27 aluminum sealing ring

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