M5 LOOK Gloss Black Rear Diffuser FOR BMW 5 Series G30 G31 2017 to 2019 Designed only for the M Sport Rear Bumper , will NOT fit M5 models. Manufactured from PP Plastic Diffuser comes in gloss black with rear reflectors pre installed. Sometimes its better to remove the bumper from the vehicle and then install diffuser as it allows easier installation and movement and the bodyshop will know this. PROFESSIONAL INSTALLATION ONLY FROM EXPERIENCED BODYKIT INSTALLERS AND NOT DIY OR NORMAL MECHANICS. (please refer to terms and conditions)