1050 Tool
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 carburetor synchronization - Discontinuation from July 92 / automatic transmission [Discontinued]