This 7 piece set contains essential engine service tools for use with BMW N43 1.6 & 2.0 litre petrol engines. Compatible with a wide range of engine codes, this set ensures that the engine timing is set correctly using the specialist tools. Engine timing must be set correctly to ensure an engine runs properly. If timing is set incorrectly, the effects on an engine could be terminal, making this set an absolute must have when working on BMW N43 engines. Set Contains:  2 x Tensioner Locking Pins Timing Chain Pre-Tensioning Tool Camshaft Locking Tool VANOS Sensor Alignment Tool 2 X Balance Shaft Locking Tools