13-3000 Gauge
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
0491255 133000 Gauge MW
NOTE:
(Setting gauge) For pre-tensioning the electric fuel pump with interchangeable diaphragm - Until January 84 [Discontinued]