Consisting of

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

1 = 0491523 Shaft

NOTE: (Press-in shaft)

2 = 0491524 Shaped part

NOTE: (shaped part)

3 = 0491525 Holding sleeve

NOTE: (Union sleeve)

Fig 1: Identifying Device (23-1400)

Courtesy of BMW OF NORTH AMERICA, INC.