The Remus axle-back exhaust for the 2018 BMW Z4 M40i Roadster 3.0L Turbo (B58B30C with GPF) provides a rear-section replacement specific to this Z4 M40i configuration. Offered as the axle-back component only, it requires separate tail pipes to complete visible outlets. This unit is shaped to suit the Roadster’s exhaust routing and the B58 turbocharged layout.
Remus 2018 BMW Z4 M40I Roadster 3.0L Turbo (B58B30C R6 w/GPF) Axle Back Exhaust (Tail Pipes Req)