313321 Spring tensioner AM

WARNING: This page is about a different car, the 2018 BMW X4, 2017 BMW X4, 2016 BMW X4, and 2015 BMW X4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: (Spring tensioner without spring retainer)

Fig 1: Identifying Spring Tensioner (313321)

Courtesy of BMW OF NORTH AMERICA, INC.