2021 BMW M4 Competition (RWD) - Modifications Performance Custom tuned by Auto Running House Flex-fuel style E85/93 octane mix tune Producing approximately 700 HP Full titanium exhaust system RK Autowerks titanium intake system RK Autowerks titanium front strut brace RK Autowerks billet crank hub capture RK Autowerks billet oil cap RK Autowerks billet coolant reservoir cap Carbon fiber engine cover Suspension Upgraded suspension Exterior Genuine carbon fiber hood professionally paint matched (underside remains exposed carbon fiber) Genuine carbon fiber trunk Full front-end Paint Protection Film (PPF) Carbon fiber roof protected with PPF OEM BMW CSL taillights (taken from a genuine CSL, not aftermarket replicas) CSL taillights protected with PPF Upgraded headlights with CSL-style yellow DRLs Carbon fiber front lip Carbon fiber side skirts Carbon fiber rear diffuser Carbon fiber rear bumper spats Carbon fiber mirror caps Carbon fiber hood vents Black kidney grilles Smoked front reflectors Black side fender trim Ceramic window tint Interior Carbon fiber steering wheel Carbon fiber paddle shifters Carbon fiber center console trim Carbon fiber seat backs Carbon fiber door sills Fiona Red Merino leather interior Carbon bucket seats Factory Options Carbon fiber roof Carbon bucket seats Executive Package 360? cameras Front and rear parking sensors Highlights Professionally built and tuned by Auto Running House, a highly reputable BMW performance shop. Runs on an E85/93 blend and produces approximately 700 HP. Genuine OEM BMW CSL taillights (not aftermarket). Genuine carbon fiber hood professionally paint matched while retaining the exposed carbon fiber underside. Full titanium exhaust with premium RK Autowerks titanium engine bay upgrades. Full front-end PPF, plus PPF on the carbon roof and OEM CSL taillights for added protection. No expense spared