0491284 135050 Gauge Mechanical tool
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For adjusting the injection pump to the throttle valve idle position (synchronization) and for adjusting the full load stop (injection pump accelerator linkage)