Essentials Carbon Fibre Performance Rear Diffuser - BMW F80 M3 | F82 | F83 M4 F20 losing precious boost pressure resulting

losing precious boost pressure resulting in a significant lack of performance and risk to the engine

CSF has developed a unique oil cooler upgrade for the N55 equipped cars

Aluminium Cowl for smooth airflow entry

and a variety of other race seats and sliders

Essentials Carbon Fibre Performance Rear Diffuser - BMW F80 M3 | F82 | F83 M4 F20 losing precious boost pressure resultingThe Essentials Performance Rear Diffuser for the BMW M3 and M4 is a stunning one piece carbon fibre rear diffuser. We designed this replacement unit around OEM parts to guarantee the best possible fitment for an aftermarket item. What's in the box 1 x Essentials Carbon Fibre (2x2 Weave, CFRP) Performance Rear Diffuser Compatible models BMW M3 (2014 2018, F80) BMW M4 (2014 2019, F82 F83) Installation The OEM diffuser is secured by 2 screws and multiple