51 37 003 Replacing rear left or right power window regulator

Necessary preliminary tasks: 

• Completely remove power window regulator at rear. See 51 37 000 REMOVING AND INSTALLING COMPLETE REAR LEFT OR RIGHT POWER WINDOW REGULATOR .
• Remove FLAT MOTOR FOR REAR POWER WINDOW REGULATOR
• Remove rear side window. See 51 37 171 REPLACING REAR LEFT OR RIGHT SIDE WINDOW .