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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CSL SMG Expansion Tank Bracket

T#:19395617

Part#: 049798LA01

In Stock

Sale - Save 71% $ 33.99

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

$ 10.00 USD

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Qty

Sale - Save 71%

$ 33.99

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

$ 10.00 USD

Add to Wish List

Used when retrofitting an OEM or aftermarket CSL intake on a vehicle with SMG transmission.

Its no secret the CSL intake plenum is the pivotal upgrade for your S54. If you are fortunate enough to have an SMG equipped vehicle you are going to need a bracket to relocate the expansion tank. Our Turner motorsport bracket fits perfectly with the engine bay to facilitate the installation of your genuine or Turner branded CSL intake plenum.

Design:

Direct fit, perfect OEM replacement
304SS sheet metal design, engineered to be simpler and cheaper than its formed OE counterpart
Reverse engineered with FARO laser scanning and Solidworks CAD technology

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Automatic Transmission Thermostat Kit

T#:56254893

Part#: 17111437362KT2

In Stock

$ 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.

Genuine BMW Transmission Lock Pin Kit - E39, E46, E52

T#:56471649

Part#: 23317501584KT2

Ships in 4 Business Days

$ 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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