Unlock sharper response and a deeper induction tone with the BMS B58 Billet Intake for BMW F chassis models. Supplied by Nforcd, this plug-and-play performance intake is engineered to let your B58 breathe more freely, with proven gains of up to 8 whp, quicker turbo spool and a more engaging sound under load. Precision CNC machined from billet aluminium and anodised black, it looks as good as it performs while retaining the factory cold air feed and lower airbox for effective heat management.
- Designed for BMW F chassis B58 engines including M140i, M240i, 340i and 440i
- Up to 8 whp improvement with crisper throttle response and faster turbo spool
- CNC machined billet aluminium MAF housing with anodised black finish
- Reusable BMS high flow inverted cone air filter with integrated velocity stack
- Retains OEM cold air ducting and insulating base for efficient airflow
- Quick, fully reversible installation with no cutting
- Made in the USA
What’s included
- Billet MAF housing
- BMS 1123 inverted cone performance filter with clamp
- Billet mounting bracket
- MAF screws M4-0.7 x 10 socket head cap screws stainless (2)
- Bracket screws M5-0.80 x 12 socket head cap screws stainless (3)
- Bracket screw washers (2)
Fitment
- BMW 1 Series 2016+ F20 F21 B58 140i and 140i xDrive
- BMW 2 Series 2017-2021 F22 F23 B58 240i and 240i xDrive
- BMW 3 Series 2016-2018 F30 B58 340i and 340i xDrive
- BMW 4 Series 2017-2020 F32 F33 F36 B58 440i and 440i xDrive
Notes
- Not compatible with G20 or G21 M340i models.
- B46, B48 and B58 intakes are different and are not interchangeable.
- Optional silicone intake pipe available separately for even smoother airflow and enhanced sound.
- Installation leaves room for the BMS B58 oil catch can.
Nforcd knows this BMS billet intake well and it has been a popular upgrade for owners seeking a straightforward induction kit with real-world gains and a richer turbo sound. Order today for fast UK delivery from Nforcd. Prefer professional fitting? Nforcd offers installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.