271090 - Mandrel Mechanical tool

WARNING: This page is about a different car, the 2012 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: (Drift) For the radial seal in the transfer box on the output shaft at the rear

Fig 1: Identifying Mandrel (271090)

Courtesy of BMW OF NORTH AMERICA, INC.