BMW Genuine Brake Master Cylinder

Brakes are the most important safety component of the vehicle and must satisfy extremely high requirements - both legal guidelines as well as BMW's own high quality requirements.

BMW includes not only the most rigorous on-road tests and computer simulations but also the checking of all elements and data for deviations - even after the beginning of series production

For vehicles manufactured from September 2001 on.
Represented by part number 1 in the diagram.