Section 145 (Starter): Description
WARNING: This page is about a different car, the 2003 BMW 540i, 2002 BMW 540i, and 2001 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
Bosch starter is a brush-type, series-wound electric motor with an overrunning clutch. Field frame carries pole shoes and field coils, and is enclosed by commutator end frame and drive bushing. Armature shaft drive end drives a reduction gear.