Section 142 (Starters): Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW X5, 2005 BMW X5, 2004 BMW X5, 2003 BMW X5, and 2002 BMW X5. 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.