Among car manufacturers, particularly those based in the same home market, there is no greater tradition than motorsports competition.

From 1987 to 1993, the German Touring Car Championship served as the main arena of combat between BMW, Mercedes-Benz, and Opel.

Their on-track weapons were consistently revised and re-homologated season after season, evolving further and further away from their civilian brethren.

This 1990 BMW M3 Sport Evolution is a homologation masterpiece forged in the red-hot fires of domestic rivalry.

It is the ultimate development of BMW’s E30-generation M3, itself an earlier special of 5,000 units executed in 1987 for Group A homologation requirements.

During the interceding race season, FIA regulations lowered homologation quotas to just 500 chassis, and thus the M3 Sport Evolution was born (encompassing 100 race customer chassis and 500 production chassis).

The hood, roof, and door cards are the sole standard E30-generation components presented by the Spo...