SI number
WARNING: This page is about a different car, the 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.
01 09 90 (282)
Consisting of:
1 = 0494586 Tube
NOTE:
(Retaining tube)
2 = 0494588 Spindle
NOTE:
(Threaded spindle)
3 = 0494589 Ring
NOTE:
(Clamping ring)
4 = 0496375 Ring
NOTE:
(Clamping ring) Gearbox: GA6HP19Z, GA6HP26Z
Courtesy of BMW OF NORTH AMERICA, INC.