BMW Drivetrain Parts for BMW 3 Series E46 (1999-2005)

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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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Rein - Corporate Logo
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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OEM Lemforder Hydraulic Motor Mount - E36 E46 E9X Z3 Z4
Only for left side Harder durometer mount from the M3 for improved performance.
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Lemforder - Corporate Logo
T#:378218
Part#: 11812283798
In Stock
$ 99.99 USD
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$ 99.99 USD
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OEM Lemförder motor mounts are the perfect replacement to prevent vibrations and knocks from continuing.
Loctite - Corporate Logo
T#:25772539
Part#: 5970
Ships in 1 Business Day
$ 55.23 USD
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This Loctite 5970 Sealant is recommended by BMW to be used to seal the rear differential cover and numerous engine oil pans. Also used for multiple MINI, Audi, and VW applications.

Driveshaft Center Support Bearing - E46, Z4
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Rein - Corporate Logo
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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Rein Driveshaft Center Support Bearing
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Rein - Corporate Logo
T#:379700
Part#: 26121225071
In Stock
$ 30.98 USD
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$ 30.98 USD
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Commonly referred to as "carrier bearing"
OEM Lemforder Transfer Case Mount - E46 E90 E91 E92 E60 E61 E84 E83 x...
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Lemforder - Corporate Logo
T#:6032
Part#: 22316773125
In Stock
$ 57.99

This product was last offered at the strikethrough price on
03-26-2026

$ 40.00 USD
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$ 40.00 USD
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If your transfer case bushing is old, hardened, or cracked, it can lead to excess noise and vibration. Worn out mounts can also cause damage to other driveline mounts over time if not addressed. Replace your transfer case mount with this new mount to eliminate noise and vibration and prevent further wear and tear.
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Standard OEM Transmission Mounts (Pair) for E36 E46 E90 E39 Z4 E85 ...
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Lemforder - Corporate Logo
T#:351069
Part#: 23711137817KT
In Stock
$ 65.99 USD
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OEM replacement transmission mounts. See applications below Alternate part number 22316771219.

This item fits the following BMWs:
2008+  E82 BMW  128i 135i  with Automatic Transmission
1992-1994  E36 BMW  325i 325is  with Manual Transmission
1995-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3  with Manual or Automatic Transmission
1996-1998  E36 BMW  318i 318is 318ti 318ic  with Automatic Transmission 
1999-2005  E46 BMW  323i 323ci 325i 325ci 328i 328ci 330i 330ci  with either Manual or Automatic Transmission
2006+  E90 BMW  325i 328i 330i 335i  with Automatic Transmission
2007+  E92 BMW  328i 335i 335is  with Automatic Transmission
2007+  E93 BMW  328i 335i  with Automatic Transmission
1997-1999  E39 BMW  528i  with Automatic Transmission
03/2001-2003  E39 BMW  525i, 530i  with Automatic Transmission
1997-2002  Z3 BMW  Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Roadster  with either Manual or Automatic Transmission
2003-2005  Z4 BMW  Z4 2.5i Z4 3.0i  with Automatic or SMG transmission
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Transmission Mount - Priced Each
Two required per vehicle, this mount is from the E46 M3 and is an upgrade to your vehicle
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Rein - Corporate Logo
T#:361233
Part#: 22322282340
Ships in 2 Business Days
$ 43.99 USD
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$ 43.99 USD
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Secure the rear of the transmission to the crossmember. Made in Germany.

Water Pump
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Rein - Corporate Logo
T#:392718
Part#: 11517838118
Back Ordered
$ 209.99 USD
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$ 209.99 USD
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Transmission Filter Kit
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Rein - Corporate Logo
T#:369365
Part#: A5S325Z
Ships in 3 Business Days
$ 42.99 USD
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OEM Rein Automatic Transmission Filter Kit - E46 E39 E85
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Rein - Corporate Logo
T#:2935
Part#: 24341423376KIT
Ships in 3 Business Days
$ 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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OEM Rein CV Boot Repair Kit - Inner - E46 E53
For use on front axles
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Rein - Corporate Logo
T#:12272
Part#: 31607565315
Ships in 3 Business Days
$ 53.99

This product was last offered at the strikethrough price on
04-15-2026

$ 30.99 USD
Free Shipping on orders $49 and up
$ 30.99 USD
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This CV boot kit works on both front inner CV joints. Kit includes the following parts;

Boot
Grease
Attaching clamps

BMW Repair Kit Bellows, Interior
This item fits the following BMW Chassis:
E53 48IS,E46,E53 X5

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Elring Automatic Transmission Oil Pan Gasket - E39, E46, Z4
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Elring - Corporate Logo
T#:592101
Part#: 24101423380
Ships in 2 Business Days
$ 16.99 USD
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Seal up your leaking oil pan.
OEM Lemforder Transmission Mount - E88 E82 E36 E46 E9X E39 F07 F10 F1...
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Lemforder - Corporate Logo
T#:202174
Part#: 22316771219
In Stock at Vendor
$ 14.99

This product was last offered at the strikethrough price on
07-24-2026

$ 11.99 USD
Free Shipping on orders $49 and up
$ 11.99 USD
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Transmission mounts can fail over time, leading to excessive vibration being transferred to the body. OEM Lemförder transmission mounts are the perfect replacement to prevent vibrations and knocks from continuing.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Rear Axle Rubber Mounting FRONT 33176770788
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Lemforder - Corporate Logo
T#:15674
Part#: 33176770788
In Stock
$ 17.99

This product was last offered at the strikethrough price on
06-08-2026

$ 12.50 USD
Free Shipping on orders $49 and up
$ 12.50 USD
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RUBBER MOUNTING FRONT

Elring Selector Shaft Seal - E36, E39, E46, E36 Z3
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Elring - Corporate Logo
T#:340660
Part#: 23121222677
In Stock
$ 5.14 USD
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Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW's:
E36, E39, E46, E36 Z3

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Rein Automatic Transmission Oil Pan Gasket - E39, E46, Z4
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Rein - Corporate Logo
T#:12451
Part#: 24341423376
Ships in 3 Business Days
$ 12.99 USD
Free Shipping on orders $49 and up
OIL FILTER:241030
Transmission Filter
For sedan models with A5S325Z transmission and production date up to 03/2002. For touri... For vehicles with A5S325Z transmission only, up to 03/2003 production date For vehicles with A5S325Z transmission only, from 03/2000 production date
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Rein - Corporate Logo
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
Free Shipping on orders $49 and up
$ 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

Differential Oil Drain Plug
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Rein - Corporate Logo
T#:27405453
Part#: 33117525064
In Stock
$ 14.99

This product was last offered at the strikethrough price on
08-03-2026

$ 9.99 USD
Free Shipping on orders $49 and up
$ 9.99 USD
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OEM Lemforder Engine Mount - 22116779970 - E46, E89 & E85 Z4 ...
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Lemforder - Corporate Logo
T#:399290
Part#: 22116779970
In Stock at Vendor
$ 70.87

This product was last offered at the strikethrough price on
07-09-2026

$ 70.26 USD
Free Shipping on orders $49 and up
$ 70.26 USD
Free Shipping on orders $49 and up

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMW Chassis:
E46
Non-M
E85 Z4 2.5i/3.0i/3.0si
E89 Z4 3.0si

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Rein - Corporate Logo
T#:46478545
Part#: 23000417164S
In Stock
$ 7.99 USD
Free Shipping on orders $49 and up
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 Input Shaft Seal - E31, E34, E39, E46, E52 ...
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Rein - Corporate Logo
T#:363449
Part#: 23127501328
In Stock
$ 16.99 USD
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A common source of leaks with higher mileage, this seal should be replaced any time a leak is spotted to prevent much more catastrophic repairs.
Rein Differential Drain Plug Gasket
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Rein - Corporate Logo
T#:19654
Part#: 07119963355
Ships in 3 Business Days
$ 2.03 USD
Free Shipping on orders $49 and up
GASKET RING for various sensors and seals.
Automatic Transmission Seals And O-Rings Kit
Fits 1998-2001 BMW E46 323i / 323Ci Fits 2001-03/2005 BMW E46 325i / 325Ci Fits 1998-2000 BMW E46 328i / 328Ci Fits 2001-2005 BMW E46 330i / 330Ci
Elring - Corporate Logo
T#:54780519
Part#: 821.570
In Stock
New Item
$ 265.99 USD
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$ 265.99 USD
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Keep your BMW's drivetrain running at peak efficiency with this Elring Automatic Transmission Gasket Set.


Elring - Corporate Logo
T#:44733256
Part#: 703.190
Special Order: No Guaranteed ETA
$ 34.99 USD
Free Shipping on orders $49 and up
If your differential is leaking fluid from the input shaft at the front of the diff case, there is a good chance this seal is faulty. Replace your leaking seal with this new seal from Elring to prevent further fluid loss and prevent damage to your differential. Replaces BMW p/n 33121213949, 33121212197, & 33121204847
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Elring - Corporate Logo
T#:54852004
Part#: B46.610
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
Free Shipping on orders $49 and up
This OEM-quality replacement shaft seal from Elring is the perfect fix for keeping your gear oil where it belongs.
Elring - Corporate Logo
T#:45005610
Part#: 761.160
In Stock
$ 10.99

This product was last offered at the strikethrough price on
05-15-2026

$ 9.99 USD
Free Shipping on orders $49 and up
$ 9.99 USD
Free Shipping on orders $49 and up
Drive axle seal, located on the front differential. This seal works on both the left & right side axles. Due to regular exposure to dirt and debris, axle seals are a common failure item. An axle seal failure can cause fluid to leak from the differential housing, eventually causing it to run dry, which can result in front differential failure. Prevent a dangerous failure and costly repair bill by replacing your compromised axle seals with this genuine component directly from BMW. Replaces BMW p/n 31508860349, 31508743675, & 33107505601
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ACM - Corporate Logo
T#:374226
Part#: 17227505826
Back Ordered
$ 119.99 USD
Free Shipping
$ 119.99 USD
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Rein Magnetic Transmission Drain Plug
Fill and drain plug for vehicles with transmission code GS5X37BZ and production date fr... For vehicles with production date from 03/2003
Rein - Corporate Logo
T#:53785537
Part#: HWU0117
Back Ordered
New Item
$ 16.99 USD
Free Shipping on orders $49 and up
$ 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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