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BMW Performance Clutch Kits & Parts for BMW Z4 M Roadster S54 (2003-2008)

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These heavy-duty clutch kits use aluminum lightweight flywheels with sport clutch components to give your clutch the grip and clamping force it needs to cope with high torque upgrades. Our kits were developed through racing programs by companies affiliated with our own race team - JB Racing, Sachs Sport, OS Giken, and UUC Motorwerks. JB Racing is the leader in aluminum lightweight flywheel upgrades. They are direct replacements for the stock dual-mass flywheels with steel contact surfaces and computer balanced to 14,000 RPM. JB has partnered with Sachs to spec sport/HD clutch discs and pressure plates that work seamlessly with their aluminum flywheels. The result is a clutch/flywheel upgrade package that functions a lot like the original clutch combo with near-stock levels of effort and engangement but with a much higher torque capacity. Don't let the clutch be your weak link in a highly tuned car!

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Throw Out Bearing (Sachs) for Most BMWs (see list)

T#:371823

Part#: 21517521471

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$ 50.99 USD

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$ 50.99 USD

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Standard Throwout Bearing. Works with stock clutch/pressure plate or HD setup. Note: When you buy a standard clutch kit from us, it includes the throw-out bearing. This part is also known by a few other part#'s, including BMW Part# 21 51 1 223 366 (21511223366), BMW Part# 21 51 2 226 729 (21512226729), and Sachs part# 3151231031.

This throw out bearing fits most BMWs including:
1975-1983 E21 3 Series - all including 320i, 323i
1975-1989 E24 6 series including 630csi, 633csi, 635csi & E24 M6
1982-1988 E28 5 Series (all) including 528e, 533i, 535i & E28 M5
1984-1991 E30 3 series (all) including 318i, 318is, 325, 325e, 325es, 325i, 325is, 325ix & E30 M3
1988-1994 E32 7 Series 6 cylinder (735i, 735iL)
1989-1995 E34 5 Series 6 cylinder (525i & 535i)
1992-1999 E36 3 Series (all) including 318i, 318is, 318ti, 325i, 325is, 323is, 328i, 328is, and E36 M3
1997-2003 E39 5 Series 6 cylinder, including 528i, 525i & 530i
1999-2005 E46 3 Series with 5 speed, including 323i, 323Ci, 325i, 325xi, 325Ci, 328i, 328Ci, 330i, 330Ci & 330xi (**no ZHP 6 speed)
2000-2006 X5 6 cylinder / X5 3.0
1996-2002 Z3 Roadster/Coupe including Z3 1.9, 2.3, 2.5, 2.8 and 3.0

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Clutch Slave Cylinder - E46 (Incl M3-non SMG), X3, Z4 and MZ4 ...

T#:1309

Part#: 21526766279

In Stock

$ 58.13

This product was last offered at the strikethrough price on
03-06-2026

$ 48.99 USD

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$ 48.99 USD

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This is a replacement clutch slave cylinder, made by a high quality OEM manufacturer. Replaces 21526785966 and 21526775922.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 - Not for SMG
2004-2010 E83 BMW X3 2.5i X3 3.0i X3 3.0si
2003-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe

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BMW E46 E39 Z3 Z4 Lightweight steel flywheel

T#:559369

Part#: FW-219-SF

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$ 566.99 USD

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$ 566.99 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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Single Mass Flywheel -S54 - 18lbs - Steel

T#:14585035

Part#: SBC100816-12

Ships in 2 Business Days

$ 690.99 USD

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$ 690.99 USD

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South Bend Clutch flywheels offer your rig smooth operation. Manufactured from low-carbon, hot-rolled steel, SBC solid flywheels accommodate higher plate loads, are more resistant to warping, and they have reduced operating temperatures. Their CNC machining provides precise tolerance and perfect balance for a longer service life with smoother engagement. Exceed OE specifications with flywheels from South Bend Clutch.

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OEM Sachs Throwout Bearing - E39 E60 E63/E64 Z4, E46 M3

T#:594018

Part#: SB60133

Ships in 2 Business Days

$ 142.77

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

$ 134.27 USD

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$ 134.27 USD

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Replace your worn out throwout bearing every time you replace your clutch

Lightweight aluminum flywheel

T#:559368

Part#: FW-219-AL

Ships in 8 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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South Bend - Stage 1 HD Clutch Kit

T#:28404576

Part#: K03070HD

Ships in 2 Business Days

$ 753.99 USD

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$ 753.99 USD

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Upgrade to South Bend Clutch's Stage 1 HD Clutch Kit for your 3.2L E85 or E86 Z4 M Coupe and Roadster! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13" Disc Diameter: 9.44" Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No

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South Bend - Stage 2 Endurance Clutch Kit

T#:401469

Part#: K03070-HD-TZ

Ships in 2 Business Days

$ 1,008.99 USD

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$ 1,008.99 USD

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Upgrade to South Bend Clutch's Stage 2 Endurance Clutch Kit for your 3.2L E85 or E86 Z4 M Coupe and Roadster! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13" Disc Diameter: 9.44" Disc Material: Kevlar Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No

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South Bend - Stage 2 Drag Clutch Kit

T#:28404584

Part#: K03070-HD-DXD-B

Ships in 2 Business Days

$ 1,072.99 USD

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$ 1,072.99 USD

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Upgrade to South Bend Clutch's Stage 2 Drag Clutch Kit for your 3.2L E85 or E86 Z4 M Coupe and Roadster! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13" Disc Diameter: 9.44" Disc Material: Ceramic Disc Style: 6-Puck Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No

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South Bend - Stage 2 Daily Clutch Kit

T#:28404593

Part#: K03070HDO

Back Ordered

$ 880.99 USD

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$ 880.99 USD

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Upgrade to South Bend Clutch's Stage 2 Daily Clutch Kit for your 3.2L E85 or E86 Z4 M Coupe and Roadster! Input Shaft Spline Count: 22 Input Shaft Diameter: 1.13" Disc Diameter: 9.44" Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: No Flywheel Included: No

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