Crankshaft positioning tool for use on BMW N47 engines for locking the diesel crankshaft in its timed position. Applications: BMW N47 1.6 and 2.0L diesel engines (from 05 2013). Equivalent to BMW OEM 2 285 671. For use with Laser Timing Tool Kit, Part No. 5196. Used to measure the amount of chain stretch without dismantling the whole engine. Also useful on equivalent PSA engines and Toyota Verso with engine code: D-4D 1WW. Made in Sheffield.