1979 - BMW - 728i

Technical Specs of This Model
1. 728i 1979
2. 728i 1998
General Information
Make BMW
Model 728i
Production Year 1979
Country
Designer
Production Number
Model Code
Model Family E23
Chassis and Dimensions
Chassis Type 4/5S SAL
Number of Doors 4
Wheelbase 2790 mm     (109,8 in)
Front Track 1500 mm     (59,1 in)
Rear Track 1520 mm     (59,8 in)
Length 4860 mm     (191,3 in)
Width 1800 mm     (70,9 in)
Height 1430 mm     (56,3 in)
Ground Clearance
Length / Wheelbase Ratio 1,74
Weight 1470 kg     (3237,9 lb)
Weight Distribution (front/rear)
Fuel Capacity 100 litre   (22 Imp gal ,  26,4 US gal)
Aerodynamics
Drag Coefficient 0,42
Frontal Area
Cx
Engine Specifications
Engine Manufacturer BMW
Engine Location Front
Engine Alignment Longitudinal
Engine Construction cast iron block & light alloy head
Coolant Type Water
Engine Type SOHC
Number of Cylinders and Placement S-6
Valves per Cylinder 2    (Total of 12 Pieces)
Engine Displacement 2788 cc     (170,13 cu in)
Bore 86 mm     (3,39 in)
Stroke 80 mm     (3,15 in)
Bore / Stroke Ratio 1,08
Unitary Capacity 464,67 cc/cylinder    (28,36 cu in/cylinder)
Number of Main Bearings 7
Compression Ratio 9,3 : 1
Fuel System Type Bo L-Jet fuel inj.
Aspiration Type Normal
Compressor Type -
Intercooler Type None
Catalytic Converter No
Maximum Engine Power 181 HP     (135 kW)
Maximum Engine Power rpm 5800 d/d
Maximum Engine Torque 240 N.m     (177,1 lb.ft ,  24,5 kg.m)
Maximum Engine Torque rpm 4200 d/d
Engine Torque at Max. Engine Power rpm 222,2 N.m    (5800 d/d)
Power / Weight Ratio 123,1 HP/ton    (91,8 W/kg)
Power / Engine Displacement Ratio 64,9 HP/litre    (48,4 kW/litre)
CO2 Emissions
Fuel Consumption
Performance
0 - 80 km/h
0 - 60 mph 9,3 s
0 - 100 km/h
0 - 160 km/h
80 - 120 km/h (in top gear)
0 - 400 m Acceleration 16,6 s
0 - 1000 m Acceleration
Top Speed 201 km/h   (124,9 mph)
Gearbox and Transmission
Transmission Type 5M
Top Gear Ratio 0,81 : 1
Final Drive Ratio 3,64 : 1
Drive Wheels RWD (Rear Wheel Drive)
Handling, Suspension Geometry and Brakes
Steering Type recirculating ball VPAS
Steering Turns (lock to lock) 3,8
Turning Circle Diameter 11,4 m    (37,4 ft)
Suspension (front) I.CS.ARB.
Suspension (rear) I.STA.CS.
Brakes (front/rear) VeDi/Di-S
Brake Disc Diameter (front) 280 mm
Brake Disc Diameter (rear) 280 mm
Wheels (front) 6
Wheels (rear) 6
Tyres (front) 195/70 HR 14
Tyres (rear) 195/70 HR 14