Karbonius Carbon Fibre Airbox Race - BMW E46 M3 / Z4M (S54) Warranty a fact that more than

a fact that more than a handful M3 and M4 owners have had to learn in a painfully direct way

Heat Shields

The release button comes in both finishes too

As seen on our own F90 M5 project car 'Lycan'

Karbonius Carbon Fibre Airbox Race - BMW E46 M3 / Z4M (S54) Warranty a fact that more thanIntake system made 100% in prepreg carbon fibre in autoclave in our facilities in Spain under ISO 9001 Management Quality System rules by qualified staff , which lends the best finished you can find on the market and a major thermal and structural stability. This is possibly one of the best airboxes available in the market. With a built in snorkel, it facilitates the air ducting from the front of the car, getting a lower temperature in the intake