BMW Drivetrain Parts for BMW Z4 M Roadster S54 (2003-2008)

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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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Turner Polyurethane Shifter Arm Carrier Bushing - E36 E46 E9X F30 F32 E39 E60
Turner Polyurethane Shifter Arm Carrier Bushing - E36 E46 E9X F30 F32...
Turner Motorsport - Corporate Logo
T#:395189
Part#: 021012TMS02
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$ 59.99 USD
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Even after rebuilding your manual transmission shifter with brand new BMW components or installing a short shift kit, your shifts will still be at the mercy of soft factory bushings. Designed with 100% comfort and low manufacturing costs in mind, BMW's factory carrier bushing offers a freedom of movement on all axis, resulting in "factory installed slop".
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Turner Titanium Magnetic Differential Drain Plug - M22x1.5
Turner Titanium Magnetic Differential Drain Plug - M22x1.5
Turner Motorsport - Corporate Logo
T#:593924
Part#: 027030TMS01
In Stock
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This product was last offered at the strikethrough price on
06-14-2026

$ 67.49 USD
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When both extreme-duty protection and saving every gram matters: the Turner Magnetic Differential Drain Plug.
Turner Titanium Magnetic Manual Transmission Drain Plug - Priced Each (M18x1.5)
Turner Titanium Magnetic Manual Transmission Drain Plug - Priced Each...
For vehicles with manual transmission only
Turner Motorsport - Corporate Logo
T#:638297
Part#: 005976LA01
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This product was last offered at the strikethrough price on
06-14-2026

$ 40.79 USD
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This is a must-have for ALL BMWs, and simply installs in place of your existing drain plug. With every fluid change you perform on your BMW, you'll be able to inspect for metal shavings and debris. Many times, if something is going wrong on your BMW's tranmission, the magnetic drain plug can give you an early warning. Replaces genuine BMW transmission drain plug with gasket ring:23117531356
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Throw Out Bearing (Sachs) for Most BMWs (see list)
Throw Out Bearing (Sachs) for Most BMWs (see list)
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Sachs - Corporate Logo
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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Bav Auto Differential, Transfer Case, Transmission Oil-Pan Wrench
Bav Auto Differential, Transfer Case, Transmission Oil-Pan Wrench ...
Bav Auto Tools - Corporate Logo
T#:580353
Part#: B8800025
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This product was last offered at the strikethrough price on
05-03-2026

$ 24.74 USD
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$ 32.99

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The proper size for removing BMW drain plugs.
Clutch Slave Cylinder - E46 (Incl M3-non SMG), X3, Z4 and MZ4
Clutch Slave Cylinder - E46 (Incl M3-non SMG), X3, Z4 and MZ4 ...
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Sachs - Corporate Logo
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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Differential Fluid Extraction Adapter
Differential Fluid Extraction Adapter
Bav Auto Tools - Corporate Logo
T#:578659
Part#: B3300000
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This product was last offered at the strikethrough price on
05-03-2026

$ 21.33 USD
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Differential Fluid Extraction Adapter is an essential tool for efficiently draining and refilling differential fluid, ensuring your vehicle's differential system remains in optimal condition. Designed to work with most extraction pumps, this adapter simplifies maintenance tasks, making it easier to service your differential without the mess or hassle of traditional methods.

  • Efficient fluid extraction: Allows for quick and clean draining of differential fluid.
  • Versatile compatibility: Works with most extraction pumps, offering flexibility for various vehicle makes and models.
  • Hassle-free maintenance: Simplifies the process of refilling and draining differential fluid, reducing time and effort.
  • Durable construction: Built from high-quality materials to withstand frequent use and harsh conditions.
  • Easy installation: Designed for a secure fit and easy attachment to extraction pumps.

This Differential Fluid Extraction Adapter is a must-have for any vehicle owner looking to maintain the longevity and performance of their differential system.

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Bav Auto Transmission/Differential Drain Plug Socket Set
Bav Auto Transmission/Differential Drain Plug Socket Set
Bav Auto Tools - Corporate Logo
T#:580446
Part#: B8800141
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$ 27.74 USD
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Drain plug socket set. Set of 3 hex-head sockets make removal of transmission and differential drain plugs so much easier. Includes 10mm, 14mm and 17mm sizes. 3/8" drive
Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
Bav Auto Fluid Transfer Pump - 200ml - Viton Seals
Bav Auto Tools - Corporate Logo
T#:580336
Part#: B8800004
In Stock
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This product was last offered at the strikethrough price on
05-03-2026

$ 29.24 USD
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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids.
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Bav Auto Wheel Hub and Rotor Grinding Kit
Bav Auto Wheel Hub and Rotor Grinding Kit
Bav Auto Tools - Corporate Logo
T#:580437
Part#: B8800132
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$ 43.19 USD
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Used to remove corrosion and ensure brake rotors, wheel spacers, etc sit flush on your hubs
Bav Auto Axle Shaft Impact Force Screw Adapter
Bav Auto Axle Shaft Impact Force Screw Adapter
Bav Auto Tools - Corporate Logo
T#:580429
Part#: B8800122
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This product was last offered at the strikethrough price on
05-03-2026

$ 36.89 USD
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For use with B8800120 (Hub Puller Adapter) as an impact driver to aid in removal of stuck CV axle shafts.
Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals
Bav Auto Tools - Corporate Logo
T#:580335
Part#: B8800003
In Stock
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This product was last offered at the strikethrough price on
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$ 51.84 USD
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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids. For draining differentials we recommend using the Bavarian Autosport adapter part # B3300000.
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Bav Auto 36MM 12 Point Socket - 1/2" Drive
Bav Auto 36MM 12 Point Socket - 1/2" Drive
Bav Auto Tools - Corporate Logo
T#:580421
Part#: B8800114
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$ 22.49 USD
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This is a thin-walled 1/2" drive 36mm impact socket - useful in removing or installing wheel bearing and axle nuts on several BMW models.
Differential And LSD Tune
Differential And LSD Tune
OS Giken - Corporate Logo
T#:34382136
Part#: BM237HAKT
Ships in 2 Business Days
$ 2,100.00 USD
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$ 2,100.00 USD
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Upgrade to a better performing LSD, includes tune.
Sachs Performance BMW Z4M Power Clutch Kit
Sachs Performance BMW Z4M Power Clutch Kit
2X Entries For Our G87 M2 Sweepstakes!
SACHS Performance - Corporate Logo
T#:15710797
Part#: 001243.999515G
Ships in 5 Business Days
$ 816.99 USD
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$ 816.99 USD
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Performance Clutch Kit for use with factory flywheel, capable of handling up to 400 ft lbs of torque with OE clutch feel
URO Brass Clutch Fork Pivot Pin - Multiple BMWs
URO Brass Clutch Fork Pivot Pin - Multiple BMWs
2X Entries For Our G87 M2 Sweepstakes!
URO Premium - Corporate Logo
T#:568391
Part#: 21511223328
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$ 11.09 USD
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$ 11.09 USD
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When replacing a clutch it is a good idea to replace all the components possible while you are in there. You don't want to have to drop the exhaust, and transmission again to replace a <$20 gasket, bolt or pivot pin. This part is a brass URO clutch pivot pin that will hold up longer and wear down slower than the Genuine BMW plastic pin. It provides a fulcrum for the clutch release arm for many BMW's.
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Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission
Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission ...
Bav Auto Tools - Corporate Logo
T#:580447
Part#: B8800142
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$ 14.99 USD
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Makes changing your transmission fluid an easy task. 1/2 " drive, for use in BMWs with 17mm female allen transmission drain plugs.
Bav Auto Hub Puller Slide Hammer Adapter
Bav Auto Hub Puller Slide Hammer Adapter
Bav Auto Tools - Corporate Logo
T#:580428
Part#: B8800121
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Sale - Save 18% $ 21.99

This product was last offered at the strikethrough price on
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$ 17.99 USD
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Necessary in order to use Bav Auto's Hub Adapter/Puller (B8800120) . 5/8" x 18T UNF thread.

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