My original owners manual from my 84' 318i states word for word: cylinder block is "special grey cast iron"
crankshaft is "spheroidal graphite cast iron"
Connecting rods and pistons is "forged steel connecting rods with replaceable three-component bearings. Small-end bearing offset in piston."
Cylinder head is "light alloy, with shrunk-in valve seats and guides"
Valves is "overhead; inclined in inverted V arrangement. Valve clearance adjustment by means of eccentrics in rockers"
Valve gear is "light alloy rockers with cill-cast pads and overhead camshaft"
Displacement: 107.8 in3
Max.output: 101 hp - 5800rpm
Max.torque: 103 ft/lb - 4500 rpm
Output per liter displacement: 57 hp
Max. permissible engine speed: 6300 rpm
Max. continuous engine speed: 6000 rpm
Cylinder: 4
Compression ratio: 9.0:1
Stroke/bore: 2.79/3.50 in
Ratio (stroke/bore): 0.79
Mean piston speed: 2696.9 ft/min
Power/weight ratio:
Car ready for road, tank full 10.60 kg/hp 23.38 lb/hp
Car fully occupied, with luggage 10.70 kg/hp 23.59 lb/hp
Also might interest someone...
Top speed - manual gearbox 108 mph 174km
Top speed - automatic gearbox 106 mph 171km
0-50 mph / 0-80 km/h - 7.9 sec 10.2 (auto)
Standing still 1/4 mile in - 18.3 sec 19.8 sec (auto)
Данные приведены для ижекторной модели
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