Adjusting pretension

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Slacken the nut (3) size 13 with the reversible ratchet (2) of the special tool 51 3 300 (consisting of 51 3 301 , 51 3 303 and 51 3 304 ).

Turn knob (1) on special tool 51 3 300 to turn bolt (4) and thereby alter the pretension.

Tighten nut (3).

Tightening torque 51 33 1AZ .

Fig 1: Loosening Nut Using Special Tool (51 3 300)

Courtesy of BMW OF NORTH AMERICA, INC.

Check adjustment, repeat procedure if necessary.

NOTE: After completing adjustment work, it is essential to INITIALIZE the power window unit.

Checking run-in of door window glass:

Door window glass must strike the inside of the gasket.

IF NECESSARY, ADJUST GAP DIMENSION OF B-PILLAR COVER.