BMW F90 M5 – 1000HP RK Autowerks Forged Build | Performance BMW Magazine Cover Car This BMW F90 M5 is a uniquely engineered, fully documented 1000hp build, featured as the cover car in Performance BMW Magazine (Aug/Sept 2021) with a full multi-page article detailing its specification, provenance, and development. The car has undergone a comprehensive transformation with a £80,000 investment in mechanical, aesthetic, and audio upgrades, executed by industry-recognised specialists. Engine & Performance RK Autowerks forged 4.4-litre V8 (Carrillo rods, CP pistons, balanced crank assembly, bearings, rebuilt oil pump, all new consumables) Upgraded twin-turbo setup (model intentionally omitted as requested) GruppeM carbon fibre intake system Snow Performance water-methanol injection Custom Utku performance calibration ZF 8-speed automatic Verified 1000+ hp output (similar builds dyno-proven) Dragy-verified performance: 0–60 mph: 2.54 seconds (2.33 seconds with 1ft rollout) 60–130 mph: 5.67 seconds 100–200 mph: 19.37 seconds --- Chassis, Exhaust & Brakes AC Schnitzer full exhaust system with carbon fibre tips AC Schnitzer lowering springs 21" AC Schnitzer AC3 Flowforming wheels in anthracite Michelin Pilot Sport 4S tyres BMW carbon-ceramic brake system