Performance Clutch Kits for BMW 3 Series E30 (1984-1991)

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A performance clutch kit will allow you to drive harder under increased power levels while making sure there is nothing lost to the drivetrain. If you track your vehicle or have raised the maximum horsepower through tuning or modification, chances are you will see increased benefit by installing a high performance aftermarket clutch.
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Turner Motorsport - Corporate Logo
T#:29898455
Part#: 048935LA01KT1
Ships on Sep 21, 2026
Sale - Save 3% $ 768.99

This product was last offered at the strikethrough price on
06-14-2026

$ 745.92 USD
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Sale - Save 3%
$ 768.99

This product was last offered at the strikethrough price on
06-14-2026

$ 745.92 USD
Free Shipping

BMW E30 M20 Clutch And Flywheel Kit - I/IS from Turner Motorsport offers a premium upgrade for naturally aspirated M20 engines. This comprehensive kit includes a lightweight single-mass flywheel and a Sachs clutch kit, providing a significant performance boost and refreshing the driving experience of early and late-model E30s.

  • Lightweight Single-Mass Flywheel: Enhances throttle response and frees up lost horsepower by reducing rotating mass. Provides a perfect balance between lightweight performance and durability.
  • Sachs OE Replacement Clutch Kit: Includes clutch disc, pressure plate, throw-out bearing, and pilot bearing, designed for reliable performance and smooth operation.
  • Improved Driving Experience: Refreshes the clutch pedal feel and driving dynamics of the M20 engine, ideal for both early and late model E30s.
  • Quality and Fitment: Tested and approved by Turner Motorsport for optimal performance and confirmed fitment on various E30 models.
  • Additional Components: Recommended transmission seals, fluid, and mounting hardware available separately for a complete service.
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Turner Motorsport - Corporate Logo
T#:29898454
Part#: 048935LA01KT2
Ships on Sep 21, 2026
Sale - Save 5% $ 902.99

This product was last offered at the strikethrough price on
06-14-2026

$ 857.84 USD
Free Shipping
Sale - Save 5%
$ 902.99

This product was last offered at the strikethrough price on
06-14-2026

$ 857.84 USD
Free Shipping

Lightweight single mass flywheel paired with the Sachs clutch kit, perfect for naturally aspirated M20's! Fits early and late model cars.

A perfect upgrade and refreshment for your M20! Free up lost horsepower with the lightened single mass flywheel and get back the life in your clutch pedal. This kit is put together with the idea of an OEM+ upgrade, perfect for people looking to refresh the driving experience of their M20 and get back the full potential of this tried and true motor.

This kit includes everything you need to do the clutch and flywheel service on your M20. While you're in there it is a good idea also to purchase the common transmission seals, fluid, and mounting hardware which are listed below.

Clutch Kit:

Sachs OE replacement clutch disc - 21211223097
Sachs pressure plate - 21211223026
Sachs 323 throw-out bearing (taller bell housing/ETA models) - 21511204525
Pilot bearing - 11211720310
Turner Single-Mass Flywheel:

Lightweight flywheel for quicker, effortless revs that improve throttle response and free up lost horsepower. Tested and approved by the engineering team at Turner Motorsport, tested in early, late, ETA and IS model E30s for confirmed fitment.
Fits shallow and deep bell housing transmissions
Ring gear suited for both starters (P# 12411726504 + 12411361874)
Heavier than other lightweight flywheels, and lighter than OEM, it's like the Goldie Locks of flywheels - it's just right
Reference pin for bell housing crank sensor
Strong Single-Piece 4140 HT Steel construction
Designed to be used with factory and OE clutches
Weight savings between 5-14lbs depending on your OE flywheel

Components strongly suggested while your transmission is out of the car.:

Transmission Seals Kit - T#29898446
Fluid - 75-90 or preferred fluid type (approximately 1.25 liters)
Transmission Mounting hardware - T#30197962

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JB Racing - Corporate Logo
T#:3763
Part#: 520-070-228
Ships in 6 Business Days
$ 630.00 USD
Free Shipping
$ 630.00 USD
Free Shipping
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).

The JB flywheel includes ignition trigger wheel.

This flywheel replaces the stock original single-mass flywheel and should only be used with the corresponding 'single-mass' clutch kit. According to BMW the single mass flywheel was installed in all 325e up to 5/86 production date but we have seen some later cars with a single-mass flywheel. The age of the car almost guarantees one or more clutch replacements and possibly a change to the original flywheel as well. You may not know which flywheel is currently installed until the flywheel cover or the transmission is removed.

Stock Flywheel Weight = 24.0lbs
JB Flywheel Weight = 8.5lbs

This item fits the following BMWs:
1984-1988 E30 BMW 325e 325es (with single mass flywheel)
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JB Racing - Corporate Logo
T#:3749
Part#: 520-120-228
In Stock
$ 854.00 USD
Free Shipping
$ 854.00 USD
Free Shipping
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).

The JB flywheel includes ignition trigger wheel.

This flywheel replaces the stock original dual-mass flywheel and should only be used with the corresponding 'dual-mass' clutch kit. According to BMW the dual mass flywheel was installed in all 325/325e from 5/86 on but we have seen some later cars with a single-mass flywheel. The age of the car almost guarantees one or more clutch replacements and possibly a change to the original flywheel as well. You may not know which flywheel is currently installed until the flywheel cover or the transmission is removed.

Stock Flywheel Weight = 27.5lbs
JB Flywheel Weight = 10.0lbs

This item fits the following BMWs:
1984-1988 E30 BMW 325e 325es (with dual mass flywheel)
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