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BMW Drivetrain Parts for BMW Z3 (1996-2002)

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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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OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW & ...

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T#:38890943

Part#: HWU0065

In Stock

$ 23.99 USD

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$ 23.99 USD

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As components in the differential begin to wear, metal particles become loose in the diff fluid, which can lead to excess wear. This magnetic plug pulls these particles out of suspension, helping to reduce wear over time. Replaces BMW # 33117525064

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Flex Disc Replacement Kit - Z3M, Z4M, E36 E46 M3, E34 M5

T#:24212302

Part#: 26112226527TKT

In Stock

Sale - Save 30% $ 209.99

This product was last offered at the strikethrough price on
04-16-2026

$ 147.89 USD

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$ 209.99

This product was last offered at the strikethrough price on
04-16-2026

$ 147.89 USD

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Comes with a flex disc (giubo), and all essential mounting hardware to ensure a complete and secure driveshaft installation.

BMW E36 CV Boot Kit - Outer

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T#:556766

Part#: 33219067806

In Stock

$ 41.99 USD

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$ 41.99 USD

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Driveshaft Overhaul Kit - With Giubo and CSB

For vehicles with automatic transmission only

T#:15710816

Part#: 26121226731-KT

In Stock

Sale - Save 24% $ 289.99

This product was last offered at the strikethrough price on
04-16-2026

$ 219.12 USD

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$ 289.99

This product was last offered at the strikethrough price on
04-16-2026

$ 219.12 USD

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Comes with a flex disc (giubo), a precision-engineered center support bearing (CSB), and all essential mounting hardware to ensure a complete and secure driveshaft installation.

ZF 5-Speed Detent Repair Kit With Installation Tools - S5D320Z Transm...

T#:37453570

Part#: 054834LA01KT

In Stock

Sale - Save 2% $ 417.67

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

$ 408.71 USD

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$ 417.67

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

$ 408.71 USD

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The ZF 320z S5D is a common swap choice among BMW enthusiasts due to its reliable and robust nature. Unfortunately, it does have a weakness. The detent pins and springs that live inside of the transmission are known to wear down over time, often causing the shift lever to lean towards the 5th gear position when in neutral.

This full-service kit consists of everything you need to replace the failing detents in your ZF transmission. The kit contains only Genuine ZF components, all of which are sure to provide you with smooth shifting and operation for years to come.

This kit includes the following items:

3 Shift Pin Kits - 23117525048
2 Slide Bushings - 23117533395
2 Gearbox sealing lids - 23311224825
1 Shifter detent pin - 23311224849
1 Shifter detent pin - 23317502165
2 Lock Rings - 23317531374
3 Spring Retention Plates - 23317637524
5 Detent Drift/Punch Tools - 054834LA01AKT
Remedying the ZF's detent issue is a must for any enthusiast planning to get the most out of their transmission. Proper centering is essential for quick and smooth shifting, both being desirable features in any application. This kit is easy to install with several DIY guides existing online. A set of "drift" tools are included for proper installation.

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Rear Wheel Bearing for E36 M3, E46 M3, 330 and E46 xi, E38, E83 ...

T#:338100

Part#: 33411090505

In Stock

$ 74.99

This product was last offered at the strikethrough price on
02-19-2026

Starting at $ 59.98 USD

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Starting at $ 59.98 USD

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This is a replacement rear wheel bearing for all:
1992-1998 E36 BMW M3
1999-2005 E46 BMW 325xi 330i 330ci 330xi M3
1995-2001 E38 BMW 740i 740il 750il
2004-2010 E83 BMW X3 2.5i X3 3.0i X3 3.0si
1997-2002 Z3 BMW M Roadster M Coupe
2003-2008 E85 BMW Z4 M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster

Rear wheel bearings are sold individually, and 2 are required per car.

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Rear Differential Service Kit for various BMW Models

T#:42133544

Part#: 835225790TKT

In Stock

$ 59.72 USD

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$ 59.72 USD

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The kit includes 2 Quarts of Red line 75w90 - 57904 and brand new Rein rear diff oil drain plug M22x1.5

Transmission Mount - Priced Each

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T#:375734

Part#: 22316771219

In Stock at Vendor

$ 24.99 USD

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$ 24.99 USD

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Mounted at the rear of transmission on crossmember

Manual Transmission Service Kit - BMW Z3 M Coupe/Roadster

T#:30960431

Part#: TMSZ3MMTSKT

In Stock

Sale - Save 11% $ 86.99

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

$ 77.66 USD

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$ 86.99

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05-03-2026

$ 77.66 USD

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The oil in your manual transmission is extremely vital to the life of your transmission. Over time it will begin to break down, lose viscosity, and begin to allow excess heat and friction. This kit is the perfect remedy to this problem. Included are 2 quarts of Redline D4 ATF, which is compatible and recommended by Redline for this transmission and features a fully synthetic base for better protection and wear resistance, a Genuine BMW fill plug, and an ECS magnetic drain plug.

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JB Racing Lightweight Aluminum Flywheel & Clutch Kit

T#:15777312

Part#: 520-040-215-KT

Back Ordered

$ 1,003.99

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

$ 994.99 USD

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$ 994.99 USD

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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. Stock Flywheel Weight: 27 lbs. JB Racing Lightweight Aluminum Flywheel: 9 lbs.

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Differential Oil Drain Plug

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T#:27405453

Part#: 33117525064

In Stock

$ 11.99

This product was last offered at the strikethrough price on
05-21-2026

$ 9.99 USD

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$ 9.99 USD

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Rein Driveshaft Center Support Bearing

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T#:379700

Part#: 26121225071

In Stock

$ 13.50 USD

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$ 13.50 USD

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Commonly referred to as "carrier bearing"

Clutch Cylinder Refresh Kit

T#:15744036

Part#: 343411635650-KT

In Stock

Sale - Save 14% $ 255.99

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

$ 218.98 USD

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$ 255.99

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

$ 218.98 USD

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A leaking clutch cylinder often feels like a failing clutch or a problematic transmission, this kit includes everything needed to not only replace but upgrade your clutch hydraulic system!

OEM Rein Shifter Ball Bushing - Multiple BMWs

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T#:362834

Part#: 25111220600

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$ 7.57 USD

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$ 7.57 USD

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This bushing is the point where the shifter arm pivots. If you are experiencing excess play in your shifter, this could be the cause. Worn out shifter ball bushings allow too much movement from wear over time.

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BMW Aluminum Bolt

T#:46478545

Part#: 23000417164S

In Stock at Vendor

$ 7.99 USD

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$ 7.99 USD

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This is a single-use bolt and should be replaced every time it’s removed. Don’t let a major repair come to a halt because you’re missing the proper hardware.

Rein Differential Drain Plug Gasket

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T#:19654

Part#: 07119963355

Ships in 3 Business Days

$ 2.03 USD

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$ 2.03 USD

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GASKET RING for various sensors and seals.

Complete Single Mass Flywheel Conversion Kit - E39, E46, Z3 ...

T#:41391187

Part#: 52401225TKT

Ships on Aug 12, 2026

Sale - Save 1% $ 1,164.99

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

$ 1,155.51 USD

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$ 1,164.99

This product was last offered at the strikethrough price on
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$ 1,155.51 USD

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Whether you're refreshing a tired stock clutch or building a more responsive driving machine, the Complete Single Mass Flywheel Conversion Kit - E39, E46, Z3 delivers performance and reliability trusted by BMW enthusiasts.

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