WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Eventuri Hybrid Carbon Airbox System for the BMW E85 / E86 Z4M delivers the unmistakable CSL-style induction sound while retaining full MAF functionality and OEM-level drivability. Developed as a complete solution specifically for the Z4M platform, this system combines a full carbon airbox with a bespoke intake system, eliminating the compromises typically associated with traditional CSL airbox conversions.
Unlike the E46 M3 version, the Z4M Hybrid Airbox cannot reuse the factory or existing intake due to packaging constraints within the engine bay. As a result, this system is offered exclusively as a complete kit, pairing the carbon airbox with a custom-designed intake system engineered specifically for the Z4M chassis. This ensures optimal fitment, airflow efficiency, and seamless integration.
At the core of the system is a prepreg carbon fiber airbox designed to resonate under load, producing the aggressive CSL-inspired sound while maintaining a stable airflow path for the OEM MAF sensor. This allows the system to function without the need for an ECU tune or Alpha-N conversion, delivering true plug-and-play performance with smooth drivability and consistent throttle response.
The Eventuri intake system utilizes their patented Venturi carbon fiber housing, designed to accelerate airflow while maintaining laminar flow conditions. This results in reduced turbulence, improved efficiency, and a more direct airflow path to the engine compared to conventional intake designs. A dedicated cold air scoop channels ambient air directly into the intake system, helping maintain low intake temperatures even under demanding conditions.
Manufactured from 100% prepreg carbon fiber and assembled with precision CNC-machined components, stainless steel hardware, and reinforced internal structures, the Hybrid Airbox System delivers long-term durability, OEM-level fitment, and a transformative driving experience for the S54-powered Z4M.
Configuration
- EVE-Z4MABX-CF-INT – BMW Z4M Hybrid Carbon Airbox with Full Carbon Intake (required configuration)
Product Details
- Engineered for BMW E85 / E86 Z4M with S54 engine
- Authentic CSL-style induction sound with full MAF compatibility
- No ECU tune or Alpha-N conversion required
- Complete system includes custom intake (cannot reuse factory intake)
- CFD-optimized internal airbox geometry
- Patented Eventuri Venturi carbon fiber filter housing
- Prepreg carbon fiber construction – autoclave cured
- Carbon airbox snorkel with CNC-machined MAF boss
- Thermoplastic intake trumpets with CNC stainless steel reinforcement rings
- Carbon fiber cold-air scoop for direct ambient airflow
- Stainless steel brackets and mounting hardware
- CNC-machined breather adapters
- Custom EPDM flexible coupler and silicone hoses
- OEM-level fitment and plug-and-play installation
- SKU: EVE-Z4MABX-CF-INT
What’s Included – Full System
- Carbon fiber main airbox
- Carbon fiber airbox snorkel with integrated MAF tube
- Thermoplastic intake trumpets with stainless reinforcement rings
- Carbon fiber Venturi filter housing
- Bespoke high-flow dry air filter
- Custom intake system specific to Z4M
- Carbon cold-air scoop
- Stainless steel brackets and mounting hardware
- CNC-machined breather adapters
- Crankcase breather hose
- Additional vacuum tubing
- Silicone couplers and EPDM flexible coupler
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