AC Schnitzer have opened the door to superior vehicle technology from motorsport for committed BMW.

Alpina works closely with BMW and their processes are integrated into BMW's production lines.

Dinan Cars designs and manufactures aftermarket performance parts for BMW automobiles.

Hamann Motorsport GmbH is a German car tuning company based in Laupheim.

Rieger Tuning is specialised in development, production and worldwide distribution of sports car accessories.