TIMING SETTING LOCKING TOOL KIT FOR BMW BWIN CAMSHAFT M40 M44 M50 M52 M54 M56 WITH DOHC For engine codes: M40 M44 M50 M52 M54 M56 (engine with twin camshafts) Contains important tools for: dismantling and assembling camshaft. M40 timing belt change. Valve timing of camshafts. For models: 3 5 7 X3 X5 Z3 Z4 Type series: E30-31-32-34-36-38-42-46-53-60-61-65-66-83-85