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BMW 520d LCI N47 engine 130kw 2009, October. The replacement of the two phase chains in the engine is shown, as well as the replacement of the oil pump chain and all three sprockets, the camshaft sprocket, the double sprocket on the high-pressure fuel pump (CR pump) and the sprocket on the oil pump. Gearing tools can be purchased at the tool sales company DE Tools Sarajevo. https://g.co/kgs/yC5ob6 DE TOOLS doo 033 541-111