Karbonius Carbon Fibre Airbox CSL - BMW E46 M3 / Z4M M4 (F82 / F83) Significant weight advantage compared to

Significant weight advantage compared to wheel-spacers made from steel

We can take the 35i to a realsitic 370bhp with 90 lb

Lowering the amount of body roll keeps your BMW more level than stock (while still allowing just enough body roll) to improve mechanical grip

Our engine tuning philosophy is to improve driveability and enjoyment

BMW do not provide the plastic covers by themselves

Karbonius Carbon Fibre Airbox CSL - BMW E46 M3 / Z4M M4 (F82 / F83) Significant weight advantage compared toThe BMW M3 E46 CSL its one of the famous and mythical cars on the world, and part of the success is due the carbon airbox . This intake generate what is probably one of the best noises of any sports car. Our Karbonius CSL Style Airbox with 1,7 kgrs weight , made 100% in prepreg carbon fibre in autoclave at 125 in our facilities in Spain under ISO 9001 Management Quality System rules by qualified staff, Its probably the best replica in the market. Our