Checking valve clearance 1 11 1 810 K14000070 E000160 • Remove the fasteners securing the chain guide (arrows) and remove chain guide (1). • Use feeler gauges, BMW No. 11 1 810 , to meas- ure valve clearances. • Make a note of the valve clearances, or adjust them if necessary. Valve clearances: Inlet valve ........ 0.03...0.11 mm (0.0012...0.0043 in) Exhaust valve .. 0.25...0.33 mm (0.0098...0.0130 in) 00 11 602 Adjusting valve clearances E000370 • Use cable ties (arrow) to secure the timing chain to both sprockets. • Remove the upper section of the camshaft carri- er. e Attention: Oil the camshafts to facilitate their removal and in- stallation.
11 6 570 K14000060 • Carefully remove the inlet camshaft and lay it aside. • Carefully remove the exhaust camshaft and lay it aside. L Note: Watch out for escaping oil and catch it in a suitable container. • Remove the screw at the oil feed stub pipe and insert locating screw, BMW No. 11 6 570 , to lock the crankshaft at TDC. 00.40