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Single Mass Flywheel

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JB Racing - Corporate Logo
T#:647
Part#: 520-170-240
Ships in 1 Business Day
$ 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.
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Clutch Masters - Corporate Logo
T#:559206
Part#: FW-318-AL
Ships in 3 Business Days
$ 497.99 USD
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$ 497.99 USD
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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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Spec Clutches - Corporate Logo
T#:31191877
Part#: SB09A
Ships in 3 Business Days
$ 499.00 USD
Free Shipping on orders $49 and up

MINI R52 R53 Lightweight Aluminum Flywheel (12lbs) enhances the performance of the MINI with its precision engineering and lightweight design. This flywheel, manufactured by SPEC, is tailored for specific driving environments, making it ideal for both daily driving and high-performance applications.

  • Lightweight Design: Weighs approximately 12 lbs, reducing rotational mass for quicker engine response and improved acceleration.
  • High-Quality Construction: Made from premium steel and aluminum, ensuring durability and a flat seating surface for the clutch.
  • Precision Engineering: Manufactured to a .001 machine tolerance for smooth rotational qualities and perfect balance.
  • Performance Upgrade: Essential for converting from OE dual mass to single mass when used with SPEC Design clutch kits.
  • Versatile Application: Suitable for various driving habits and racing or high-performance setups.
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Clutch Masters - Corporate Logo
T#:567088
Part#: FW-075-AL
In Stock
$ 752.99 USD
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$ 752.99 USD
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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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Genuine BMW - Corporate Logo
T#:22222
Part#: 11221252206
Special Order: No Guaranteed ETA
2% off MSRP $ 1,465.99

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

$ 1,435.99 USD
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2% off MSRP
$ 1,465.99

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

$ 1,435.99 USD
Free Shipping

 


Genuine BMW Flywheel - D= 228mm,8 Loch

Fits BMW Engines including:
M10
 

 

Clutch Masters - Corporate Logo
T#:559368
Part#: FW-219-AL
Ships in 7 Business Days
$ 566.99 USD
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$ 566.99 USD
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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 - Corporate Logo
T#:567218
Part#: FW-140-AL
In Stock
$ 522.99 USD
Free Shipping
$ 522.99 USD
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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 - Corporate Logo
T#:21407091
Part#: FW-795-B-TDA
Ships in 6 Business Days
$ 591.99 USD
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$ 591.99 USD
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Genuine BMW - Corporate Logo
T#:337968
Part#: 11221312519
Ships on Feb 4, 2027
Sale - Save 17% $ 1,013.99

This product was last offered at the strikethrough price on
05-07-2026

Starting at $ 837.91 USD
Free Shipping
Sale - Save 17%
$ 1,013.99

This product was last offered at the strikethrough price on
05-07-2026

Starting at $ 837.91 USD
Free Shipping
This Genuine BMW Motorsport part (used on the Sport Evo M3s) is a precision machined and balanced lightweight steel flywheel. The stock flywheel weights 19.5 lbs, the Motorsport flywheel is under 12 lbs! This lightweight flywheel will allow the motor to "spool up" faster, improving acceleration. This is a perfect flywheel upgrade for someone who does not want a full aluminum lightweight flywheel and also wants factory Motorsport parts on the E30 M3. After the Turner performance chip this is the next biggest "bang for the buck" for your M3. Flywheel mounting bolts available separately.

This item fits the following BMWs:
1987-1991 E30 BMW M3
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W11 Lightweight Flywheel - R52/R53 Cooper S/JCW
10X Entries For Our Spin To Win Sweepstakes!
ECS - Corporate Logo
T#:40512111
Part#: 038682LA01
In Stock
Sale - Save 20% $ 499.99

This product was last offered at the strikethrough price on
05-03-2026

$ 399.99 USD
Free Shipping
Sale - Save 20%
$ 499.99

This product was last offered at the strikethrough price on
05-03-2026

$ 399.99 USD
Free Shipping

The factory dual-mass flywheel in W11-powered MINI Coopers was designed with comfort in mind—minimizing drivetrain vibration and delivering smoother shifts. However, this focus on refinement comes at a performance cost. The hefty 27 lbs. of rotational mass dulls throttle response, slows acceleration, and makes rev-matching more difficult. Dual-mass flywheels are also known to be less reliable in tuned or modified setups and can be expensive to replace when they fail.

ECS Tuning developed their Lightweight Single-Mass Flywheel to address these issues with a performance-focused alternative. Weighing in at just 17 lbs., this flywheel sheds nearly 10 lbs. of rotating mass compared to the OEM unit—transforming throttle response, acceleration, and clutch feel for a more engaging and dynamic driving experience.

Key Features:

Manufactured from 4140 Chromoly Steel
Heat-treated and tempered for exceptional strength, wear resistance, and thermal stability.
Optimized Hardness (HRC 28–32)
Ensures consistent performance and durability under extreme conditions.
Precision-Balanced to G16 Standard (175 g-mm)
Exceeds OEM balance requirements for smooth, high-RPM operation.
Black Oxide Finish
Provides effective corrosion resistance and a sleek appearance.
SFI 1.1 Certified
Validated for safe use in high-performance and racing environments.
Direct Fit
Engineered to work seamlessly with OE-style clutch kits designed for the W11 engine architecture.
Performance Benefits:

OEM Flywheel Weight: 27 lbs
ECS Lightweight Flywheel Weight: 17 lbs
This significant weight reduction results in:

Sharper throttle response
Faster engine revs and acceleration
Improved clutch engagement and feel
Increased performance potential for modified vehicles
OEM & Aftermarket Compatibility:

Replaces OE Flywheel #: 21207532057
Compatible Clutch Kits:
MINI OE: 21207551384
Spec: SB001, SB003
Clutch Masters: 03050HD00R
Recommended Hardware:

Flywheel Bolts: 11227560579 (Qty 8)
Pressure Plate Bolts: 21207520449 (Qty 6)

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Packaged by Turner - Corporate Logo
T#:15677572
Part#: 21217528209-KT
In Stock
$ 1,386.99

This product was last offered at the strikethrough price on
06-04-2026

$ 1,307.99 USD
Free Shipping on orders $49 and up
$ 1,307.99 USD
Free Shipping on orders $49 and up
A lightweight aluminum flywheel is a great way to increase throttle response and free up horsepower by reducing drivetrain loss. Factory flywheels are built to minimize engine and transmission vibrations, making them heavier and requiring more energy to make them spin. An aluminum flywheel can save lots of weight over the stock steel unit - sometimes over 50%. While the dampening effect of the stock flywheel is reduced, most enthusiasts would agree that the increase in performance is well worth it. In addition, the lighter flywheel allows the engine to spin more freely, improving throttle response. This JB Racing lightweight aluminum flywheel kit and is designed to be used with the included factory clutch, making replacement and service easy and inexpensive, especially compared to specialized racing clutches. It also preserves the driveability of your car on the street, and enthusiasts tolerant of a mild to moderate NVH increase will be especially taken with this setup. In addition, the JB Racing flywheel can be easily rebuilt with a new clutch contact surface, allowing you to enjoy faster revs and superior response for many years to come.
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Clutch Masters - Corporate Logo
T#:23284080
Part#: FW-460-SF
Ships in 1 Business Day
$ 563.99 USD
Free Shipping on orders $49 and up

Elevate your BMW MINI Cooper S/JCW 2.0L's performance with this lightweight clutch master flywheel, weighing just 25 lbs. Crafted to reduce rotational mass, this flywheel upgrade significantly enhances engine response and acceleration, providing an amplified driving experience.

  • Lightweight design for reduced rotational mass
  • Improves engine response and acceleration
  • Enhances overall driving performance
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Flywheel
We Price Match - Give Us A Call or Chat!
LUK - Corporate Logo
T#:591307
Part#: 11227535599
In Stock at Vendor
$ 119.99 USD
Free Shipping
$ 119.99 USD
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Clutch Masters - Corporate Logo
T#:23284092
Part#: FW635SF
Ships in 3 Business Days
$ 563.99 USD
Free Shipping on orders $49 and up
Elevate your BMW's MINI Cooper S performance with this lightweight clutch master flywheel, weighing just 24 lbs.
Clutch Masters - Corporate Logo
T#:559242
Part#: FW-055-AL
Ships in 3 Business Days
$ 752.99 USD
Free Shipping
$ 752.99 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

 

For vehicles with production date up to 01/2009 

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MINI R56 Flywheel - LUK
We Price Match - Give Us A Call or Chat!
LUK - Corporate Logo
T#:588151
Part#: 11227561765
In Stock
$ 114.99

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

$ 110.99 USD
Free Shipping on orders $49 and up
$ 110.99 USD
Free Shipping on orders $49 and up

MINI R56 Flywheel - LUK is a high-quality replacement designed specifically for your MINI R56 with a manual transmission. Manufactured by LUK, a leader in automotive parts, this flywheel ensures smooth and reliable performance, restoring your vehicle’s original driving dynamics. Ideal for maintaining your MINI’s performance, this flywheel is engineered to meet or exceed OEM specifications.

  • Precision Fit: Designed specifically for MINI R56 manual transmissions for perfect compatibility.
  • High-Quality Manufacturing: Produced by LUK, a trusted name in automotive parts.
  • Restores Performance: Helps return your MINI to its original driving dynamics.
  • OEM Standards: Meets or exceeds original equipment manufacturer specifications.
  • Durable Construction: Built to withstand the demands of high-performance driving.
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Packaged by Turner - Corporate Logo
T#:15710807
Part#: 520190240-KT
Ships in 2 Business Days
$ 1,060.99 USD
Free Shipping on orders $49 and up
A lightweight aluminum flywheel is a great way to increase throttle response and free up horsepower by reducing drivetrain loss. Factory flywheels are built to minimize engine and transmission vibrations, making them heavier and requiring more energy to make them spin. An aluminum flywheel can save lots of weight over the stock steel unit - sometimes over 50%. While the dampening effect of the stock flywheel is reduced, most enthusiasts would agree that the increase in performance is well worth it. In addition, the lighter flywheel allows the engine to spin more freely, improving throttle response.
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Genuine MINI - Corporate Logo
T#:32799
Part#: 11227561765
Ships in 3 Business Days
$ 783.70 USD
Free Shipping on orders $49 and up
Genuine MINI FLYWHEEL
Fits BMW Engines including:
N12,N16

Packaged by Turner - Corporate Logo
T#:41289784
Part#: 038682LA03KT
In Stock
$ 852.54 USD
$ 852.54 USD

The factory dual-mass flywheel in W11-powered MINI Coopers was designed with comfort in mind—minimizing drivetrain vibration and delivering smoother shifts. However, this focus on refinement comes at a performance cost. The hefty 27 lbs. of rotational mass dulls throttle response, slows acceleration, and makes rev-matching more difficult. Dual-mass flywheels are also known to be less reliable in tuned or modified setups and can be expensive to replace when they fail.

ECS Tuning developed their Lightweight Single-Mass Flywheel to address these issues with a performance-focused alternative. Weighing in at just 17 lbs., this flywheel sheds nearly 10 lbs. of rotating mass compared to the OEM unit—transforming throttle response, acceleration, and clutch feel for a more engaging and dynamic driving experience.

**This flywheel is to match with a factory type or aftermarket NON Dampened clutch kit!** MINIs factory set up engagement is dampened by the dual mass flywheel. This will be a little more aggressive engagement of the clutch over the stock factory set up as they system in not dampened!! Can be used from daily to the track days.

Key Features:

Manufactured from 4140 Chromoly Steel Heat-treated and tempered for exceptional strength, wear resistance, and thermal stability. Optimized Hardness (HRC 28–32) Ensures consistent performance and durability under extreme conditions. Precision-Balanced to G16 Standard (175 g-mm) Exceeds OEM balance requirements for smooth, high-RPM operation. Black Oxide Finish Provides effective corrosion resistance and a sleek appearance. SFI 1.1 Certified Validated for safe use in high-performance and racing environments. Direct Fit Engineered to work seamlessly with OE-style clutch kits designed for the W11 engine architecture. Kit Contents:

ECS W11 Lightweight Flywheel OEM LUK Clutch Kit OEM LUK Clutch Alignment Tool OEM LUK Release Bearing Genuine MINI Guide Tube Genuine MINI Flywheel Bolts (M10x48) Upgraded ARP Pressure Plate Screws (M9x15)

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Clutch Masters - Corporate Logo
T#:21407094
Part#: FW-795-K-TDA
Ships in 7 Business Days
$ 591.99 USD
Free Shipping
$ 591.99 USD
Free Shipping

Clutch Masters - Corporate Logo
T#:567199
Part#: FW-774-AL
Ships in 7 Business Days
$ 571.99 USD
Free Shipping
$ 571.99 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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JB Racing - Corporate Logo
T#:40748575
Part#: 520010240SGA
Ships on Sep 3, 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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