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

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Looking for parts for your BMW automatic transmission or manual transmission? You'll find many of the parts available to service your BMW's transmission here. While internal transmission servicing and rebuilding should be done by professionals, there are a lot of things on the outside of the transmission that you can service or replace yourself. These include gearbox seals, o-rings, gaskets, automatic transmission filters, backup light switches, mounting bolts, flanges, collar nuts, screw plugs, Mechatronics, and more.

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LT2 Spec Manual TRansmission Fluid HIGH PERFORMANCE GEAR OIL (GL3+) SAE 75W-80
LT2 Spec Manual TRansmission Fluid HIGH PERFORMANCE GEAR OIL (GL3+) S...
10X Entries Into Our F80 M3 Sweepstakes
Liqui-Moly - Corporate Logo
T#:56291001
Part#: 22080
Ships in 1 Business Day
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$ 34.54 USD
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$ 34.54 USD
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Genuine BMW Transmission Lock Pin Kit - E39, E46, E52
Genuine BMW Transmission Lock Pin Kit - E39, E46, E52
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56471649
Part#: 23317501584KT2
Ships in 1 day
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$ 86.99 USD
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$ 86.99 USD
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This shift detent refresh kit restores positive gear indexing and exact shift lever centering. Don't let worn internal hardware degrade your driver engagement and rebuild your shift mechanism with the exact components needed to handle aggressive shifting.
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Automatic Transmission Thermostat Kit
Automatic Transmission Thermostat Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56254893
Part#: 17111437362KT2
Ships Today
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$ 75.13 USD
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$ 75.13 USD
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We built this Turner Motorsport Cooling Overhaul Kit to hit the key failure points around your automatic transmission heat exchanger and expansion tank mounting setup without breaking the bank.
Transmission Oil Change Kit - Automatic
Transmission Oil Change Kit - Automatic
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:54852040
Part#: 300 135 0403/SK
In Stock
New Item
$ 116.99 USD
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$ 116.99 USD
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This Meyle transmission service kit provides track-tested filtration and sealing components to keep your transmission operating flawlessly.
CSF Universal Large Single-Pass Oil Cooler - Universal Application
CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 4 Business Days
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$ 499.00 USD
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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Powerflex Transmission Mount Bushing - Heritage Series
Powerflex Transmission Mount Bushing - Heritage Series
Powerflex - Corporate Logo
T#:54388391
Part#: PFF5-4655H
Back Ordered
New Item
$ 118.99 USD
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$ 118.99 USD
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Stabilize your gearbox under heavy cornering loads. These 70A durometer Heritage mounts increase rigidity by 150% to prevent shift-linkage binding, utilizing a discrete dark grey finish to blend into your undercarriage.
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Transmission Hardware Refresh Kit
Transmission Hardware Refresh Kit
Genuine BMW - Corporate Logo
T#:55317663
Part#: 2331MTKT
Ships in 4 Business Days
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$ 66.67 USD
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$ 66.67 USD
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If your BMW’s manual shifter feels loose or struggles to cleanly find its gates, it’s time to rebuild your transmission shift detents.
Transmission Mount - Priced Each
Transmission Mount - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:55461406
Part#: 22316771219
Ships in 5 Business Days
New Item
$ 8.99 USD
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$ 8.99 USD
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Meyle Automatic Transmission Fluid Plus 9 - 1 Liter
Meyle Automatic Transmission Fluid Plus 9 - 1 Liter
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569543
Part#: 0140193200
Ships on Oct 13, 2026
New Item
$ 27.99 USD
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$ 27.99 USD
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Don't let fluid breakdown slow down your shifts or trigger performance-robbing transmission slip when you're pushing your car to the limit. This Meyle ATF Plus 9 high-performance transmission fluid is engineered to withstand the extreme thermal loads and intense shear stress generated during aggressive street driving and high-RPM track sessions. Its advanced synthetic formula provides a robust lubricating film that limits friction within the gearsets and maintains crisp clutch engagement, ensuring your multi-speed automatic handles rapid downshifts and hard acceleration flawlessly.
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Hydraulic Filter, Automatic Transmission
Hydraulic Filter, Automatic Transmission
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55461366
Part#: 1003250005
Ships on Oct 13, 2026
New Item
$ 19.99 USD
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$ 19.99 USD
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This MEYLE automatic transmission filter screens out those harmful contaminants before they can reach critical hydraulic valves.
Automatic Transmission Hydraulic Filter Kit
Automatic Transmission Hydraulic Filter Kit
5X Entries Into Our F80 M3 Sweepstakes
Hengst - Corporate Logo
T#:57543697
Part#: 24117557070
Ships on Oct 19, 2026
New Item
$ 52.99 USD
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$ 52.99 USD
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Maintain crisp shifts and extend the life of your drivetrain with an OEM-supplier component built for enthusiasts who demand reliable performance.
Automatic Transmission Hydraulic Filter Kit
Automatic Transmission Hydraulic Filter Kit
5X Entries Into Our F80 M3 Sweepstakes
Hengst - Corporate Logo
T#:57543704
Part#: 24117557071
Ships on Oct 19, 2026
New Item
$ 49.99 USD
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$ 49.99 USD
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Protect your drivetrain and preserve sharp shift engagement with this direct-replacement automatic transmission filter set from Hengst.
Automatic Transmission Seals And O-Rings Kit
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
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:54780519
Part#: 821.570
In Stock
New Item
$ 265.99

This product was last offered at the strikethrough price on
09-21-2026

$ 239.99 USD
Limited Qty Sale
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$ 265.99

This product was last offered at the strikethrough price on
09-21-2026

$ 239.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
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Keep your BMW's drivetrain running at peak efficiency with this Elring Automatic Transmission Gasket Set.
Automatic Transmission Thermostat
Automatic Transmission Thermostat
Febi - Corporate Logo
T#:55965856
Part#: 17111437362
Special Order: No Guaranteed ETA
New Item
$ 83.99 USD
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$ 83.99 USD
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This thermostat from Febi offers an OEM-quality solution to restore peace of mind and keep your cooling system sealed and functioning exactly as intended.
Automatic Transmission Filter Kit
Automatic Transmission Filter Kit
Febi - Corporate Logo
T#:56724726
Part#: 24152333824
Special Order: No Guaranteed ETA
New Item
$ 37.99 USD
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$ 37.99 USD
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This Febi Bilstein automatic transmission filter kit is designed to restore crisp shifting and maintain reliable gear engagement.
Automatic Transmission Service Kit
Automatic Transmission Service Kit
Febi - Corporate Logo
T#:56724727
Part#: 24341423376S4
Special Order: No Guaranteed ETA
New Item
$ 76.99 USD
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$ 76.99 USD
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This Febi Bilstein automatic transmission service kit delivers factory-level filtration and sealing to keep your BMW's gearbox performing at its best.
Transfer Case Mount
Transfer Case Mount
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:58234540
Part#: 22316773125
Ships on Mar 16, 2027
New Item
$ 22.99 USD
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$ 22.99 USD
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Mounts the transfer case to the transmission crossmember
Rein Magnetic Transmission Drain Plug
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
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
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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Powerflex Transmission Mount Bushing - Black Series
Powerflex Transmission Mount Bushing - Black Series
Powerflex - Corporate Logo
T#:54388342
Part#: PFF5-4655BLK
In Stock
New Item
$ 118.99 USD
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$ 118.99 USD
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Secure your gearbox geometry at the absolute limit. These 95A durometer Black Series mounts increase stiffness by 375%, preventing transmission twisting to ensure flawless shifting and maximum torque translation.
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