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To safely master their staggering power and performance, BMW's M models come with a particularly efficient high-performance brake system featuring compound brake discs. The big difference compared to conventional brake discs is that compound brake discs feature a radial anti-friction bearing for the brake disc ring.

This floating system allows free thermal expansion of the brake disc rings, thus providing the option to use different materials with the best properties in each case for specific purposes. This, in turn, means that each component within the brake system is able to do a perfect job according to its specific requirements.


The result is not only outstanding stopping power, but also a considerable reduction in weight versus conventional brake systems, a significantly higher standard of driving comfort and a much longer service life.