This timing tool set can be applied in installing and removal of the variable camshaft unit (double VANOS), professional engine-repair, correct fixing of the valve lift control (Valvetronic) and the expansion of the intake camshaft, eccentric shaft or hydraulic tappets. This tool kit is suitable for BMW models: E46: 316i B18 / B18A, E87: 118i / 120i, E60: 520i, E83: X3 2.0, E85: Z4 2.0, E90 / E91: 318i / 318ti / 320i.This tool set is crafted by hardened and tempered carbon steel, ensuring its maximum durability for years of use. All tools are well stored in a sturdy case with foam insert for easy transport.