? Removes camshaft chain tension. ? Levers against the chain bow to press in the chain tensioner. ? Applications: BMW M41/M51 Diesel Engines fitted in BMW 318tds, 325, 525, 725td/tds, Land Rover Range Rover 2.5DT/SE (94-), Vauxhall/Opel Omega-B 2.5TD. ? Model No. VS4415 ? List Price £ To remove camshaft chain tension on BMW 2.5tds engines, tool is positioned inside the cam timing chain cover and levered against the chain bow to press in the chain tensioner.