BMW 728 Automatic (1977) Specifications

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Return to Main Page ==Specifications==

1977 BMW 728 Automatic
Performance
Max Power 170.3 PS (168 bhp) (125.3 kW) @ 5800 rpm
Specific Output 60.3 bhp/litre0.99 bhp/cu in
Brake mean effective pressure 1050.2 kPa (152.3 psi)
Max Torque 233.0 Nm (172 ft·lb) (23.8 kg m) @ 4000 rpm
Specific Torque 83.57 Nm/litre
Redline
Power to weight 108.39 bhp/ton
Max Speed 186 km/h (116 mph)
0-50 mph (80 km/h)
0-60 mph
0-100 km/h 11.20 s
0-100 mph
80-120 km/h (50-70 mph) in top gear
Standing km
Chassis
Doors 4
Engine Location Front
Engine Alignment Longitudinal
Engine code
Aspiration Normal
Cylinders Inline 6
Engine Capacity 2.8 litre2788 cc (170.134 cu in) SOHC 2 valves per cylinder 12 valves in total
Bore and stroke 86.00 mm x80.00 mm 3.39 in x3.15 in
Compression Ratio 9.00:1
Engine Construction
Engine Lubrication Wet sump
Engine Manufacturer BMW
Main crankshaft bearings
Compressor type N/A
Intercooler None
Catalytic converter N
Bore/stroke ratio 1.08
Unitary capacity 464.67 cc per cylinder
Fuel System 1 Solex 4 A 1 carburettor
Gearbox 3 speed automatic
Drive Type rear wheel drive
Transmission Ratios: Top 1.00
Final Gear Ratio 3.64
Steering Recirculating ball Power assisted
Brakes Ventilated Disc /Disc -S
Brake size 280 mm front and rear 280 mm
Braked area
Suspension Independent Coil Springs Anti-roll bar rear Independent Semi-trailing arms Coil Springs
Wheels 6J x 14 H2rear 6J x 14 H2
Tyres 19570 HR 14rear 19570 HR 14
Steering Wheel Turns (lock to lock)
Max Turning Circle
Drag Co-efficient
Frontal area Cx
Dimensions and Weight
Overall Length 4860 mm 191.3 in
Overall Width 1800 mm 70.9 in
Overall Height 1430 mm 56.3 in
Wheelbase 2795 mm 110 in
Weight distribution (front)
Track Front 1508 mm 59.4
Ground Clearance
Kerb Weight 1550 kg 3417 lb
Equipment
Fluids and Capacities
Fuel Tank 85 litres18.7 UK Gal22.5 US Gal
Fuel Consumption Combined
C02 emissions
Coolant Water
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