SQ-Aero Pre-Preg Carbon Fiber Rear Diffuser - F74 M235 xDrive Gran CoupeProduct Description Enhance the rear styling of your F74 M235 xDrive Gran Coupe with the SQ Aero Pre Preg Carbon Fiber Rear Diffuser. Designed in the distinctive SQ style, this diffuser adds a more aggressive and motorsport inspired appearance while integrating a functional center brake light for an additional performance oriented touch. Constructed from pre preg carbon fiber, the diffuser is produced using an autoclave curing process that ensures