Stainless-steel valved exhaust system, 89 mm. Welding process: TIG.
The 235i requires retaining and cutting the approximately 50 cm OEM section containing the oval flexible pipe.
On OPF models, cut behind the OPF and fit the system using the adapter pipe and clamp.
ECE approval requires the matching Bull-X Tronic ECE controller and an approved vehicle. Versions without ECE approval are for motorsport.
| Version | Vehicle / technical fitment |
|---|---|
| F22 M235i | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |
| F22 M240i | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |
| F22 M240i with OPF | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |
| F23 M235i - Convertible | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |
| F23 M240i - Convertible | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |
| F23 M240i - Convertible with OPF | Manufacturer Engine type Power; BMW F22/F23 M235i, M240i B58 B30 A 250kW/ 340PS; N55 B30 A 240kW/ 326PS |