This tool kit is specifically designed to assist in replacement timing chains on BMW 

This kit contains a uniquely designed chain guide tool to control old chain withdrawal and simultaneous new chain insertion, and includes a chain tensioner tool, to facilitate timing chain replacement without major engine tear down, potentially saving many hours labour. 

Models:  E81/ E87/ E88/ E82/ F20/ F21/ E46/ E92/ E93/ F30/ F31/ F35/ F10/ F11/ F12/ F13

                 X1(E84) /  X3(E83) / X3(F25) /X4(F26) / X5(E70) /  X5(F15) / X6(E71) / X6(F15) / Z4(E85)

                 Z4(E89) /  R56 / R55 /  R57 / R58 / R59 /  R60 / R61

Engines: 

•  N43, N45, N46, N47

OEM: 83 30 2 354 985 / 83302354985​