$595.00 USD
$595.00 USD








BMW M240i (G42) ADRO Carbon Fiber Rear Diffuser
Purpose-built for the BMW M240i, the Adro Carbon Fiber Rear Diffuser transforms the rear profile with a motorsport-inspired aesthetic. With sharp contours and functional aero elements, it enhances depth and aggression while complementing the coupe’s refined, performance-driven styling. Constructed from premium carbon fiber, it achieves the ideal balance of lightweight durability and high-end finish.
Engineered using 3D scanning and CFD analysis, the diffuser integrates seamlessly with the G42 underbody, optimizing airflow to reduce turbulence and improve rear-end stability at speed. Its sculpted fins and precision geometry highlight the M240i’s performance intent without overpowering the factory design language.
Whether you’re chasing a sharper look or real aerodynamic gains, the Adro M240i Rear Diffuser delivers a track-ready upgrade with OEM-quality fit and finish.
Key Features:
Carbon Fiber Construction – Built from top-tier materials for unmatched strength, lightweight performance, and longevity.
Effortless OEM Fitment – Seamlessly integrates with factory mounting points, requiring no modifications for installation.
CFD-Optimized Aerodynamics – Developed through Computational Fluid Dynamics (CFD) to improve stability, reduce drag, and maximize downforce.
Performance-Focused Design – Aggressive fins and sharp geometry amplify the M240i’s road and track presence.
G42 M240i 2022+
G42 230i 2024+ M Sport Pkg
Wet Carbon Fiber
1 Center Diffuser
Rear Winglets (set)
Adhesive Promoter
3M Adehsive
Hardware
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.