Genuine BMW 340i & 440i Carbon M Performance Power and Sound Kit F3x 11122444531
Genuine BMW 340i & 440i Carbon M Performance Power and Sound Kit F3x. Compatible with F30/F31/F32/F33/F36 340i & 440i models. Please provide us with your registration number or chassis number to check compatibility. We recommend this kit is fitted by a BMW retailer, there are updates to the software that require to be carried