133030 Box spanner Mechanical tool

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For changing the non-return valve in the electric fuel pump/K-Jetronic

Fig 1: Identifying Box Spanner (133030)

Courtesy of BMW OF NORTH AMERICA, INC.