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.
You may require the Genuine BMW S54 E46 M3 CSL SMG Expansion Tank Bracket to mount the tank.
BMW M Series E46 M3 CSL Coupe S54 (09/2002 — 12/2003)
Please Note: Can be used in a CSL airbox conversion for the S54 Z3 M Coupe and Roadster.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
21532282549
Manufactured by
BMW
Warranty
Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers if VIN is provided during check out on compatible vehicles.
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