A specialized tool designed to loosen the camshaft pulley and then lock the pulley tensioner using the camshaft pin, enabling the removal and replacement of the timing belt in Mini Cooper S cars with BMW W11 engines. · Long handle wrench with specially designed design, providing excellent leverage and perfect fit to the tensioner arm bracket. · Allows easy access in narrow spaces. Application: Mini Cooper: S R53 (2001-2006), S Convertible R52 (2005-2008), John Cooper Works MC40 R53 (2004), John Cooper Works GP R53 (2006) · Engines: W11 How to use: · Make sure the wrench fits perfectly into the top of the idler pulley bolt and that both pins fit into the holes in the bracket. · Turn the tensioner and loosen the belt tension. · Insert the locking pin to hold the tensioner in position, then replace the timing belt.