03/23/2025
Geoff Steel BMW E46 M3 & Z4M Carbon CSL Airbox quantity
Additional information Designed to replace the standard E46 M3 / Z4M (S54 engine) air take
Based on the original CSL airbox (Plenum chamber) this product is highly popular.
The majority of customers purchase this airbox literally for the intake noise alone, it is truly fantastic.
On top of the noise, throttle response, engine power and overall driveability of the car are vastly
improved.
This is a three-piece item incorporating the same diameter intake as the original
Price $1000