BMW M240i & 230i M Sport G42 Carbon Fibre Rear Diffuser Set by ADRO

BMW M240i (G42) ADRO Carbon Fiber Rear Diffuser

Designed specifically for the BMW M240i, the ADRO Carbon Fiber Rear Diffuser transforms the rear end with a bold, motorsport-inspired aesthetic. Featuring aggressive contours and functional aerodynamic elements, it enhances the coupe’s depth, stance, and visual intensity — all while maintaining the M240i’s refined, performance-driven character.

Crafted from premium wet carbon fiber, this diffuser achieves the perfect balance of strength, lightweight performance, and high-end finish. Using advanced 3D scanning and CFD development, ADRO engineers ensured seamless integration with the G42 underbody. The diffuser’s sculpted fins and precision geometry improve airflow, reduce turbulence, and increase rear-end stability at speed, delivering both form and function in perfect harmony.

Whether you’re seeking a more aggressive rear profile or genuine aerodynamic gains, the ADRO M240i Rear Diffuser offers a track-inspired upgrade with OEM-quality fitment and finish.

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Key Features

• Carbon Fiber Construction – Premium wet carbon fiber delivers exceptional strength, lightweight performance, and lasting durability.

• OEM-Level Fitment – Designed to mount seamlessly to factory points with no modifications required.

• CFD-Optimized Aerodynamics – Developed through Computational Fluid Dynamics (CFD) to enhance stability, reduce drag, and increase downforce.

• Performance-Focused Design – Sharp fins and precise contours emphasize the M240i’s performance stance and aerodynamic efficiency.

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Compatibility

• BMW G42 M240i (2022+)

• BMW G42 230i (2024+, with M Sport Package)

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Specifications

• Material: Wet Carbon Fiber

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Included in the Box

• 1x Center Diffuser

• 1x Set of Rear Winglets

• Adhesive Promoter

• 3M Adhesive Tape

• Mounting Hardware