Sealey Tools Window Regulator Hook Wrench for BMW VS812

Hook wrench designed for adjusting the window winding mechanism (regulator) on BMW Coupe models. Slim profile fits between the door glass and exterior seal for precise adjustment. Allows accurate setting and preload adjustment of the window regulator. 370mm Length provides improved access in tight and restricted spaces. Double‑ended tool suitable for both regulator mechanisms fitted to BMW Coupe models. Matches ASTA A‑1BMG specification for professional workshop accuracy. Use in accordance with OEM procedures for correct regulator preload adjustment.