In this video, I demonstrate how to replace brake rotors on various BMW models, including the E90, E92, 328i, 330i, 335i, 325i, 323i, 320i, 330D, 335D, 128i, and 135i. The guide covers instructions ...

Disc brake calipers may mount on the rotor "in lead" or "in trail," which refers to their position relative to the spindle or axle centerline. In nearly all cases there is no real-world performance ...