BMW M, "M" (for Motorsport) was initially created to facilitate BMW’s racing program, which was very successful in the 1960s and 1970s. As time passed, BMW M began to supplement BMW's vehicles portfolio with specially modified higher trim models, for which they are now most known by the general public. These M-badged cars traditionally include modified engines, transmissions, suspensions, interior trims, aerodynamics, and exterior modifications to set them apart from their counterparts. All M models are tested and tuned at BMW's private facility at the Nürburgring racing circuit in Germany. BMW M also remains the only performance based company to cater motorcycles at the same time, specifically the BMW S1000RR.
Also the first Red stripe represented Texaco, the famous American oil retail brand, who had partnered with BMWduring the early days of M racing. Blue represented BMW and Bavarian region. The purple was used to represent the partnership and to allow for a nice transition between the two colors, blending as some may call