A carbon roof, a carbon airbox and a CSL-style trunk lid can all be bought and fitted to an ordinary E46 M3. That is why, on an E46 M3 CSL, none of them proves the car is real. In August 2026, BMWBLOG reported that a CSL-style conversion with exactly those parts sold on Bring a…
Read more: On an E46 M3 CSL, the Carbon Roof Proves Nothing. The BMW Build Record Does.