BMW Z3 M S54 CSL-style carbon airbox EVE-Z3M-ABX

Direct-fit carbon airbox for the BMW Z3 M (S54B32 engine), modelled on the E46 CSL plenum. Delivers sharper throttle response, improved mid-range airflow and that unmistakable S54 howl from 2500 rpm - quiet at idle.

• 100% pre-preg carbon fibre, motorsport-grade tooling
• No trimming or cutting - OEM-level fitment on Z3 M Coupe and Roadster
• Optimised for Alpha-N MAFless ECU calibration (hardware not included)
• Proven on track and road; no drivability compromise