In 1971, the domination of Ford Capri in Groups 1 and 2 prompted BMW to produce a special version of the 3.0, called CSL, which was produced in 1000 units to obtain homologation. After a first variant based on the 3.0 CS with carburetors, BMW launched a second 3.0 CSL equipped with injection in August 1972. In 1972, the sports division, BMW Motorsport GmbH, was also founded, headed by Jochen Neerpasch. The Group 2 regulations only allowed for an increase in displacement up to 2999, which made the BMWs uncompetitive in the same class as the Ford Capris, which were lighter. BMW then produced a 3003cc version of the CSL to enter the class up to 3500cc, with a displacement increased to 3330cc on the racing versions. A modification of the camshaft then allowed an extension of the displacement to 3498cc. In June 1973 a new aerodynamic package was homologated. The 3.0 CSL Group 2 won the European Touring Championship in 1973, 1975, 1976, 1977, 1978 and 1979.
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