Details of the gas distribution mechanism:
1 - covers of the gas distribution mechanism; 2 - mounting sleeve; 3 - gaskets for covers of the gas distribution mechanism; 4 - front crankshaft oil seal; 5 - lifting paw («318i»); 6 - thermoelectric switch (on «318i»); 7 - camshaft; 8 — a gear pulley of a drive of a camshaft (until November 1978); 9 — a gear pulley of a drive of a camshaft (since November 1978); 10 - double-row roller chain of the camshaft drive (until November 1978); 11 - single roller chain of the camshaft drive (since November 1978); 12 - camshaft flange; 13 - chain tensioner; 14 - shoe tensioner; 15 - chain guide shoe; 16 - the axis of the rocker arms of the intake valves; 17 - axis of rocker arms of exhaust valves; 18 - rocker; 19 - pressure spring; 20 - adjusting eccentric; 21 - plug; 22 - thrust ring; 23 - crackers; 24 - upper spring plate; 25 - oil cap; 26 - spring; 27 - lower spring plate; 28 - exhaust valve; 29 - inlet valve.