12-1050 Tool
WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
0491112 121050 Tool MW
NOTE:
(Tool) Shorter version for adjusting the dynamic ignition timing adjustment and carburettor synchronisation - Discontinuation from July 92 / automatic transmission [Discontinued]