Genuine BMW SMG fluid expansion tank and mounting bracket, originally equipped on the E46 M3 CSL. Required for CSL carbon airbox conversions or SMG pump relocation. Precision-built to BMW factory specifications for proper hydraulic fluid containment in the SMG system.
Brand: Genuine BMW
Fitment: BMW E46 M3 with SMG Transmission / E46 M3 CSL
Contents: SMG fluid expansion tank and mounting bracket
Application: Required for CSL airbox conversion or SMG pump relocation
Condition: Genuine OEM
