The 1-of-1 BMW 1M CSL (engine-swapped with an M3 V8 B80) is a bespoke performance machine that fuses the raw agility of the BMW 1M with the ferocious power of BMW’s legendary naturally aspirated V8. With its custom CSL-inspired lightweight construction, rear-wheel drive, and high-revving M3 V8 paired to a performance automatic/manual transmission, it offers a truly unique driving experience that blends exclusivity, engineering artistry, and motorsport heritage. ? Specifications Engine: 4.0 litre V8 petrol (BMW S65 B80, derived from M3) Power: ~300 kW @ ~8,300 rpm (depending on tune) Torque: ~400 Nm @ ~3,900 rpm Transmission: 6 speed manual Drive Type: Rear wheel drive (RWD) Top Speed: ~280 km/h (estimated, de-restricted) Acceleration (0–100 km/h): ~4.2 seconds (estimated) Fuel Consumption (Combined): ~12.0–13.0 L/100 km (varies with tune) Fuel Tank Capacity: 55 litres Boot Capacity: ~370 litres Body Style: 2 door coupe (CSL-inspired lightweight build) Seating Capacity: 4 passengers This 1-of-1 BMW 1M CSL V8 swap sits in the bespoke performance car segment, with no direct production rivals. It draws inspiration from BMW’s motorsport icons like the E46 M3 CSL and E92 M3 GTS, while competing in spirit with custom builds, but there is nothing else like this one-off build.