BMC CKS00004 Carbon Fiber Airbox Cover and Filter Kit

The BMC CKS00004 is a premium carbon fiber airbox cover and high-performance air filter kit designed for BMW M2, M3, and M4 models equipped with the S58 turbocharged engine. Part of BMC's CKS (Carbon Kit Supercar) product line, this system combines advanced carbon fiber construction with BMC's renowned oiled cotton gauze filtration technology to deliver both performance gains and enhanced visual appeal under the hood.

Key Features:

• Carbon fiber airbox covers with glossy transparent paint finish for a premium appearance
• Multi-layered oiled cotton gauze filters providing superior filtration down to 7 microns (versus 10 microns for OEM paper filters)
• Full molding construction with no welded joints for maximum durability
• Washable and reusable filters with lifetime service capability
• Engineered to reduce air pressure drop by more than 50% compared to stock paper filters
• ISO 5011 certified with 97.5% filtration efficiency
• Pre-oiled and ready to install
• Two-year manufacturer warranty

What's Included:

• 2 carbon fiber airbox covers with glossy finish
• 2 BMC high-performance air filters

BMC has over 20 years of experience engineering carbon fiber intake systems for major automotive manufacturers and professional racing teams in Formula 1, MotoGP, and World Superbike. This kit brings that same OEM-level technology and quality to enthusiast applications. The filters can be cleaned and re-oiled using BMC's regeneration kit (sold separately), with maintenance recommended every 20,000-25,000 km for optimal performance and longevity.

OEM Cross Reference: BMW 13718095805, BMW 13718095807