Eventuri E85 / E86 Z4M Hybrid Carbon Airbox System

Eventuri E85 / E86 Z4M Hybrid Carbon Airbox System

Part # EVE-Z4MABX-CF-INT

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
Vehicle Applications

BMW E85 / E86 Z4M
Notes

This system is offered only as a complete airbox and intake package
The factory or existing Z4M intake cannot be reused
No ECU tuning required – utilizes OEM MAF sensor
All required breather hoses and hardware are included
Estimated performance gains based on E46 M3 data: 20–22hp, 8–13 ft-lb
Replacement filter: Eventuri Carbon Intake System Replacement Filter – Type B
View emissions compliance notice
Designed and hand-assembled in the UK
This item is not eligible for return once opened
Warranty coverage and damage-in-transit support are fully provided

RETURNS

• Returns are accepted within 30 days after confirmed delivery of the item.
• There will be a 20% restocking fee assessed for all items returned. Restocking fee may be waived depending on a case by case situation. If there are any more questions or concerns, please contact us immediately for more info on restocking fees.
• If you would like to return an item please contact us as soon as possible, and after approval of a return we will give you instructions on how to complete the return.
• ***ALL RETURNED ITEMS MUST BE IN BRAND NEW CONDITION.
• The buyer is responsible for all return shipping fees unless previously discussed with our sales team.
• After the returned item has been received we will check the item to verify and once approved you can expect your refund within 3-5 business days or sooner.
• ALL RETURNS ARE ONLY ACCEPTED IF ITEMS HAVE NOT BEEN INSTALLED ON THE VEHICLE, ALTERED, TAMPERED AND OR DAMAGED BY INSTALLING PARTY. *** PLEASE CHECK ITEMS THOROUGHLY BEFORE INSTALL!
• Special ordered items that have been shipped are NOT ELIGIBLE FOR RETURN! Please contact us before purchasing for more information.

ORDER CANCELLATIONS

• You may cancel your order before it has been processed and shipped out and receive a full refund.
• If you would like to cancel an order after the item(s) have been shipped out your item is subject to the 20% restocking fee.