Rein BMW Drivetrain Parts for BMW Z Series E85/6 (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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OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW &a...
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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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Driveshaft Center Support Bearing - E46, Z4
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T#:1435
Part#: 26127501257
In Stock
$ 35.99 USD
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Replacement center support bearing for the driveshaft. Often the cause of annoying vibrations and clunking noises during take-offs. This is the OEM aluminum bracket with bearing. Applications:
1999-2005 E46 323, 325, 328, 330 models with manual, automatic, or SMG transmission (not including 325xi or 330xi models)
2001-current Z4 2.5, Z4 3.0, Z4 3.0si with manual, automatic, or SMG transmission
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BMW Transmission Pan Bolt - 24pc
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T#:46616015
Part#: 24117519360
In Stock
$ 29.99 USD
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This single-use bolt secures the transmission fluid pan to the transmission. When servicing your transmission, be sure to have enough of these bolts on hand to replace all the existing fluid pan fasteners.
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Transmission Mount - Priced Each
For vehicles with manual transmission only
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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

OEM Rein Automatic Transmission Filter Kit - E46 E39 E85
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T#:2935
Part#: 24341423376KIT
Ships on Aug 24, 2026
$ 43.99 USD
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Automatic transmissions are reliable, shift smoothly, and can last without issue so long as they are properly maintained. Over time, the transmission fluid becomes thick and the filter becomes contaminated with small metal particles. This can cause excess wear, high transmission operating temperatures, and eventual failure. To prevent this we recommend changing your filter, fluid, and seals to ensure your transmission continues to operate flawlessly. We recommend filter and fluid changes every 50,000 miles. This filter fits A5S325Z automatic transmissions on BMW E46 323i 323ci 325i 325ci 328i 328ci 330i 330ci . E39 525i 528i 530i. E85 Z4 2.5i Z4 3.0i. This kit includes the transmission filter and gasket.

Kit Contents:

  • 1 x 24341423376 - transmission filter
  • 1 x 24101423380 - gasket for transmission filter

This item fits the following BMWs:
3/2000-2004 E46 BMW 323i 323ci 325i 325ci 330i 330ci
2003-2005 E46 BMW 325i with M56 engine
3/2001-2003 E39 BMW 525i 530i
2003-2006 E85 BMW Z4 2.5i Z3 3.0i

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Rein Rear CV Boot Repair Kit - Outer - E82, E88, E90, E91, E92, E93, ...
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T#:592403
Part#: 33217547080
Back Ordered
$ 26.99 USD
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$ 26.99 USD
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Replace torn CV boots and save CV joints

Rein Automatic Transmission Oil Pan Gasket - E39, E46, Z4
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T#:12451
Part#: 24341423376
In Stock
$ 12.99 USD
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OIL FILTER:241030
Motor Mount Bolt Set
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T#:592053
Part#: 22110392551
In Stock
$ 16.50 USD
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Used to secure the motor mount brackets, one time use bolts!

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"

BMW Transmission Pan Bolt Kit - 13pc
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T#:46616006
Part#: 24115B44CF5
In Stock
$ 16.99 USD
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Keep your transmission oil pan sealed tight and leak-free with a fresh set of Rein bolts.
OEM Rein Shifter Ball Bushing - Multiple BMWs
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T#:362834
Part#: 25111220600
In Stock
$ 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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Transmission Filter
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T#:350821
Part#: 24341423376
In Stock
$ 24.47

This product was last offered at the strikethrough price on
05-02-2026

$ 19.99 USD
Limited Qty Sale
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$ 24.47

This product was last offered at the strikethrough price on
05-02-2026

$ 19.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up


BMW Aluminum Bolt
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T#:46478545
Part#: 23000417164S
Ships in 3 Business Days
$ 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 Transmission Pan Bolt - M6X28.5mm - BMW
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T#:45723150
Part#: 24117552108
Ships in 3 Business Days
$ 2.99 USD
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Prevent leaks from the transmission oil pan with brand new bolts from Rein NOTE: These bolts are priced each - The required quantity for each vehicle may change based on the specific transmission and oil pan shape. If you are unsure of how many you need for your BMW, please contact our sales team for assistance.
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Rein Magnetic Transmission Drain Plug
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T#:53785537
Part#: HWU0117
Back Ordered
New Item
$ 16.99 USD
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$ 16.99 USD
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Magnetic Rein Transmission Plug Features Aluminum Construction with OE Dimensions and Threading. Magnetic Tip for Upgrade over Stock. Lightweight and Durable Construction Designed to Interface Perfectly with Modern Alloy Gear Housings
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OEM Rein Transmission Service Kit - BMW 6HP19Z
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T#:45997534
Part#: TSK0015
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$ 251.99 USD
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$ 251.99 USD
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Rein OE Quality Automatic Transmission Service kits address the short-lived valve body sealing sleeves and adapter in the ZF 6HP transmissions. This kit includes the necessary direct-fitting sealing hardware to conveniently service the shrunken valve body sealing sleeves during the recommended fluid and filter change interval of 62,000 miles / 8 years at the latest. The ZF 6HP19Z series transmission is a very durable and powerful unit that can last for many miles if serviced in time to allow the valve body to maintain proper fluid pressure. The slightest drop in valve body fluid pressure in this unit leads to premature transmission bushing and or clutch wear, along with contamination and overheating of the fluid. Rein recommends the OE or Pentosin ATF-1 synthetic automatic transmission fluid for this job.
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