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Genuine European BMW SMG Components

The sequential manual transmission is an excellent gearbox that provides lightning-fast shifts and manual control. Due to the cutting edge design and awsome performance it allows, certain components may need to be serviced from time to time.
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Genuine BMW CSL SMG Expansion Tank - E46 M3
Genuine BMW CSL SMG Expansion Tank - E46 M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine European BMW - Corporate Logo
T#:383934
Part#: 21532282549
In Stock
$ 224.99 USD
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$ 224.99 USD
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This is required when installing a CSL airbox on an M3 with an SMG transmission. The expansion tank holds the hydraulic fluid for the SMG clutch cylinder.
Genuine BMW CSL SMG Expansion Tank Bracket - 41147896136 - E46 M3 CSL w/ SMG Transmission
Genuine BMW CSL SMG Expansion Tank Bracket - 41147896136 - E46 M3 CSL...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine European BMW - Corporate Logo
T#:361538
Part#: 41147896136
In Stock
Sale - Save 39% $ 29.99

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

$ 18.29 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 39%
$ 29.99

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

$ 18.29 USD
Free Shipping on orders $49 and up
Add to Wish List
When you upgrade to the CSL intake, you have to replace and relocate the SMG reservoir. This bracket mount the new reservoir after the CSL conversion exactly as designed by BMW.

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