BMW Z Series E85/6 (2003-2008)

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AeroCatch Racing Hood and Body Panel Fasteners (Pair) - Better than h...
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AeroCatch - Corporate Logo
T#:340098
Part#: AEROCATCH
In Stock
$ 566.99

This product was last offered at the strikethrough price on
05-13-2026

Starting at $ 82.99 USD
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Starting at $ 82.99 USD
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As used by Turner Motorsport on our championship winning BMW race cars, the new aerodynamically efficient and aesthetically styled AeroCatch is setting new standards in hood fixing for the 21st century. Say goodbye to your standard hood pins -- these are better all around.
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E60, E82, E85, E9X, E89 (N52 Engine) JB Racing Lightweight Aluminum F...
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JB Racing - Corporate Logo
T#:2801
Part#: 520-200-240
In Stock
$ 714.00 USD
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$ 714.00 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).

This JB flywheel replaces the stock flywheel and can be used with either the stock 228mm or stock 240mm clutch discs. Depending on the model you may have either clutch size in your car but this flywheel is compatible with both. You can install a 240mm clutch as a mild upgrade.

Stock Flywheel Weight = 24-31.0lbs
JB Flywheel Weight = 12.0lbs

This item fits the following BMWs:
2006-2010 E60 BMW - 525i, 528i, 530i
2006-2013 E90, E91, E92, E93 BMW - 325i, 328i, 330i
2007-2013 E82 BMW - 125i, 128i
2006-2008 E85, E86 BMW - Z4 3.0i, Z4 3.0si
2009-later E89 BMW - Z4 3.0i
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Clutch Masters Stage 1 Clutch Kit - FX100
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567239
Part#: 03005-HD00-D
In Stock
15% off MSRP $ 606.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 515.99 USD
Free Shipping
15% off MSRP
$ 606.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 515.99 USD
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Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version. 

  • FX100 (Stage I)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed organic friction material

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JB Racing Single Mass Lightweight Aluminum Flywheel - 6-speed - E46 3...
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JB Racing - Corporate Logo
T#:3474
Part#: 520-190-240
Ships in 2 Business Days
$ 672.00 USD
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$ 672.00 USD
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This is a performance replacement for BMW Part # 21207533868 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 the pilot bearing mounted in the flywheel hub, just like the factory configuration.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 10.5lbs

This item fits the following BMWs:
2002-2005 E46 BMW 325i 330i (with 6-speed manual transmission)
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BMW E46 E39 Z3 Z4 Lightweight steel flywheel
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Clutch Masters - Corporate Logo
T#:559369
Part#: FW-219-SF
Ships in 2 Business Days
15% off MSRP $ 657.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 559.99 USD
Free Shipping
15% off MSRP
$ 657.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 559.99 USD
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BMW E46 E39 Z3 Z4 Lightweight Steel Flywheel is an exceptional performance upgrade designed to enhance your driving experience by providing quicker revs and reducing turbo lag. Engineered by Turner Motorsport, this flywheel is constructed from high-quality 6061-T6 billet aluminum with a high-carbon steel replaceable friction surface, ensuring durability and improved acceleration.

  • Increased Acceleration: Reduced mass results in quicker engine revs and enhanced acceleration.
  • High-Quality Materials: Made from 6061-T6 aircraft-grade billet aluminum for exceptional strength and performance.
  • Durable Construction: Features a high-carbon steel replaceable friction surface and an OE steel ring gear secured by bolts.
  • Lifetime Warranty: Comes with a limited lifetime warranty, underscoring its reliability and long-term performance.
  • SFI Certification: Meets SFI Spec 1.1 or 1.2 standards, ensuring high-quality construction and safety.

This lightweight flywheel fits the following BMW models:

  • 1999-2002 E46 BMW 323i, 323ci, 325i, 325ci, 328i, 328ci, 330i, 330ci (with 5-speed manual transmission)
  • 2001-2005 E46 BMW 325xi, 330xi
  • 1997-2002 Z3 BMW Z3 2.3, Z3 2.5i, Z3 2.8, Z3 3.0i
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Clutch Masters Stage 3+ FX350 Clutch Kit
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567252
Part#: 03005-HDFF-D
In Stock
15% off MSRP $ 779.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 662.99 USD
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15% off MSRP
$ 779.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 662.99 USD
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*Does not include flywheel. Requires use of single mass flywheel The FX350 System uses the Power Plus I, Hi-Levarage, Heavy-Duty Pressure Plate utilizing our Fiber-Tough friction material. This clutch has a slightly increased holding capacity then the FX300 but will have a slightly more aggressive engagement and will produce some chatter. Similar to the FX300 this clutch is designed for the serious street enthusiast who also might spend a weekend and the track and is running a normally aspirated car that has been highly tuned with cylinder head work such as cams, or with a medium-boost turbo or supercharger setup, or up to 100hp NO2. For years enthusiasts have had to compromise durability for longevity for drivability and vice versa, however with our Fiber-Tough material we have closed the gap between these two tradeoffs. * Heavy-Duty Segmented Fiber-Tough Disc Steel Backed Segmented Fiber-Tough Friction Material Heavy-Duty Sprung Hub (when applicable) Marcel Spring Wafer OEM or better Release Bearing Pilot Bearing (when applicable) Alignment Tool Instruction Card Decals *Organic/ Kevlar/ Fiber-Tough Clutch kits are expected and tend to have a higher life expectancy than OEM, however not guaranteed. Improper Installation, Driving style, performance upgrades, Break in procedure and light weight flywheels will effect and have a role in determining the life expectancy of the clutch kit.
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Clutch Masters Stage 4 Clutch Kit - FX400
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567255
Part#: 03005-HDCL-D
Ships in 1 Business Day
15% off MSRP $ 779.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 662.99 USD
Free Shipping
15% off MSRP
$ 779.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 662.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version.

  • FX400 (Stage 4)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed Ceramic Lined Sprung Disc friction material

*This clutch kit does not include a flywheel. Requires use of single mass flywheel 

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Z4 M HD Clutch and Flywheel Kit
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JB Racing - Corporate Logo
T#:878
Part#: 520-010S-S873G
Ships in 9 Business Days
$ 1,488.61 USD
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$ 1,488.61 USD
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This lightweight aluminum flywheel w/ Heavy Duty "sprung-hub" clutch package is the best-engineered solution for E46 325 and 330 models with the 6-speed transmission, Z4 2.5/3.0, and Z4 M Roadster and M Coupe. Instead of picking a clutch from another car that may or may not work at all, the engineers at JB Racing have taken all of the guess work out of this upgrade and incorporated a Sachs sport sprung-hub clutch with the correct pressure plate and combined it with their most-popular aluminum lightweight flywheel. The Sachs HD clutch disc has a sprung hub to minimize noise and vibration and organic linings to give the feel and engagement of a stock clutch. Mixing and matching of the incorrect clutch, pressure plate, and flywheel components can lead to inconsistent engagement and feel -- why make your clutch feel worse?

In addition, the Sachs HD pressure plate will clamp with greater force -- allowing approximately 350 ft-lbs of torque, which makes it an obvious upgrade from the stock clutch kit. And with the aluminum flywheel weight savings is substantial over the stock dual-mass flywheel - which allows your motor to spool up faster and transmit more HP to the ground.

Because Sachs is an OE supplier to most German cars, replacement parts are just a phone call away. This kit uses the stock throw-out bearing (included in the price).

Z4 M Sport Clutch and Flywheel Applications:
2006-2008 E85 Z4, E86 Z4 Z4 M Roadster, Z4 M Coupe
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Lightweight aluminum flywheel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Clutch Masters - Corporate Logo
T#:559368
Part#: FW-219-AL
Ships in 7 Business Days
15% off MSRP $ 657.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 559.99 USD
Free Shipping
15% off MSRP
$ 657.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 559.99 USD
Free Shipping

An excellent performance upgrade so you can enjoy quicker revs and eliminate excess turbo lag. Made of high quality 6061-T6 billet aluminum, with a high-carbon steel replaceable friction surface, this flywheel from Clutch Masters is sure to be a great upgrade for anyone looking to reduce crankshaft drag and increase acceleration.

Typical benefits of a Clutch Masters lightweight flywheel:

  • Reduced mass equals increased acceleration
  • CM uses only 6061-T6 aircraft grade or better billet aluminum in the manufacturer of its flywheels
  • CM uses an OE steel ring gear secured by bolts
  • CM offers a limited lifetime warranty
  • CM Billet Aluminum Flywheels meet SFI Spec 1.1 or 1.2
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Clutch Masters FX250 Stage 2 Clutch Kit
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567246
Part#: 03005-HD0F-D
Ships in 7 Business Days
15% off MSRP $ 721.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 613.99 USD
Free Shipping
15% off MSRP
$ 721.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 613.99 USD
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Upgrade the holding power of your clutch with the Clutch Masters FX250 clutch kit.

FX250 (Stage II)

  • Extra long life street system
  • Holding capacity 70% over stock
  • Heavy-Duty reinforced pressure plate
  • Sprung organic/fiber tough disc


All Clutch Masters clutch kits come complete with:

  • Pressure Plate
  • Clutch Disc
  • Throw-out Bearing
  • Pilot Bearing or Bushing
  • Alignment Tool
  • Pressure Plate Bolts


This clutch kit does not include a flywheel. Requires use of single mass flywheel 

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Clutch Masters Stage 3 Clutch Kit - FX300
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567249
Part#: 03005-HDTZ-D
Ships in 7 Business Days
15% off MSRP $ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping
15% off MSRP
$ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version. 

  • FX300 (Stage 3)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Ridged hub/cushioned disc

  • Steel-backed Sprung Hub Segmented Kevlar Disc friction material

*Does not include flywheel. requires use of single mass flywheel  

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Clutch Masters Stage 2 Clutch Kit - FX200
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567243
Part#: 03005-HDKV-D
Ships in 7 Business Days
15% off MSRP $ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping
15% off MSRP
$ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version. 

  • FX200 (Stage 2)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed kevlar friction material

*Does not include flywheel.

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Clutch Masters Stage 1 Clutch Kit - FX100
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567240
Part#: 03005-HD00-R
Ships in 7 Business Days
15% off MSRP $ 606.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 515.99 USD
Free Shipping
15% off MSRP
$ 606.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 515.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Ridged Disc version. 

  • FX100 (Stage I)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Ridged hub

  • Steel-backed organic friction material

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Clutch Masters Stage 2 Clutch Kit - FX200
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
Clutch Masters - Corporate Logo
T#:567245
Part#: 03005-HDKV-R
Ships in 7 Business Days
15% off MSRP $ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping
15% off MSRP
$ 850.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 722.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Ridged Disc version. 

  • FX200 (Stage 2)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Ridged hub/ disc

  • Steel-backed kevlar friction material

*Does not include flywheel.

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JB Racing Lightweight Steel Flywheel - Grand-Am Legal - E46, MZ3, Z4 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
JB Racing - Corporate Logo
T#:40748575
Part#: 520010240SGA
Ships on Jul 30, 2026
$ 868.00 USD
Free Shipping on orders $49 and up
This lightened steel flywheel is specifically designed (and approved) for use in Grand-Am road racing but can also be used as a mild street upgrade if a full aluminum lightweight flywheel is not called for. The Grand-Am flywheel is 20% lighter than stock to meet the rules for the GS and ST classes.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. A lightweight flywheel does away with the dual mass design and its additional mass so 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. The engine revs much 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.

Grand-Am approved this flywheel to be used with a factory E36 M3 clutch. This opens up a lot of clutch and pressure plate options but we typically used this with a stock Sachs OEM clutch kit. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches.

Lightweight 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). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

If being used on a 330i 6-speed or Z4 6-speed an additional pilot bearing hub is required. Select your appropriate model and transmission from the list below.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 20.0lbs

This item fits the following BMWs:
2001-2002 E46 BMW 330i 330ci 5-speed
2003-2006 E46 BMW 330i 330ci 6-speed
2001-2006 E46 BMW M3
1998-2002 Z3 BMW Z3 M Roadster M Coupe
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
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