Initially developed by Tension for track use, tuner AC Schnitzer now offers a homologated "Street Legal" version of this 645ci. On its release, it became the fastest production BMW, with a top speed of 332 km/h. The model presented is in its original AC Schnitzer configuration, and is the 3rd example. Its 1st owner was the manager of the BMW Davo dealership in Tongre, Belgium.

On the outside, the seller states that the vehicle is in good condition. The two-tone gray bodywork shows only a few flaws, which are visible in the gallery. The seller indicates that the paintwork has recently been completely redone. Photos of the underbody are available in the gallery.