Mini Cooper Window Wrench (R50 .S R53. R52.S R52.) Hook wrench used for adjusting the door window glass to fit Hook wrench 300mm long. Needed to release the star washer. This is the wrench to remove the large tooth nuts holding the door glass to the window regulator on R50, R52, R53 Mini Cooper and Cooper S. The wrench fits between the door glass and exterior seal to loosen or tighten the nuts to remove, install, and adjust the door glass. Commonly used during replacement of window motor, or door lock actuators. OEM No: 513 240 Application: 2002-2006 R53 Mini Cooper 2002-2003 Cooper R50 2002-2003 Cooper S R53 2002-2006 Cooper R50 2002-2006 Cooper S R53 2005-2006 JCW Hardtop R53 2005-2008 Cabrio R52 2005-2008 Cabrio S R52 2005-2008 JCW Cabrio R52