BMW 733i Automatic, 1977 MY E23

The BMW 733i is a saloon (sedan) designed by Paul Bracq with 4 doors and a front mounted engine which transmits its power through the rear wheels. It is part of BMW's E23 family of cars. Its 6 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a displacement of 3.2 litres. This unit provides power and torque figures of 197 bhp (200 PS/147 kW) at 5500 rpm and 280 Nm (207 lbft/28.6 kgm) at 4300 rpm respectively. The power is transmitted to the wheels via a 3 speed automatic transmission. Quoted weight at the kerb is 1620 kg. Its maximum speed claimed is 198 km/h (123 mph).

Pictures

Key facts

BMW 733i Automatic, 1977 MY E23 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4860 mm
How heavy?
1620 kg
What size engine?
3.2 litre, 3210 cm3
How many cylinders?
6, Straight
How much power?
200 PS / 197 bhp / 147 kW @ 5500 rpm
How much torque?
280 Nm / 207 ft.lb / 28.6 kgm @ 4300 rpm
How quick?
0-100 km/h: 10.6 s
How fast?
198 km/h, 123 mph

BMW E23 models

4 door sedan/​saloon FR 3A 3210 cm3 180 PS 177.5 bhp 132 kW 1520 kg
4 door sedan/​saloon FR 5M 3430 cm3 218 PS 215 bhp 160 kW 1500 kg
4 door sedan/​saloon FR 4A 3430 cm3 252 PS 248.5 bhp 185 kW 1590 kg
4 door sedan/​saloon FR 3A 3210 cm3 175 PS 173 bhp 129 kW 1610 kg
4 door sedan/​saloon FR 4M 2788 cm3 184 PS 181 bhp 135 kW 1490 kg
4 door sedan/​saloon FR 5M 2788 cm3 184 PS 181 bhp 135 kW 1470 kg
4 door sedan/​saloon FR 3A 2788 cm3 184 PS 181 bhp 135 kW 1505 kg
4 door sedan/​saloon FR 5M 3210 cm3 200 PS 197 bhp 147 kW 1500 kg
4 door sedan/​saloon FR 5M 3453 cm3 218 PS 215 bhp 160 kW 1530 kg
BMW 745i -
4 door sedan/​saloon FR 3A 3210 cm3 252 PS 248.5 bhp 185 kW 1600 kg
BMW 728 -
4 door sedan/​saloon FR 4M 2788 cm3 170 PS 168 bhp 125 kW 1530 kg
4 door sedan/​saloon FR 3A 2788 cm3 170 PS 168 bhp 125 kW 1550 kg
4 door sedan/​saloon FR 4M 2986 cm3 184 PS 181 bhp 135 kW 1580 kg
4 door sedan/​saloon FR 3A 2986 cm3 184 PS 181 bhp 135 kW 1600 kg
BMW 733i -
4 door sedan/​saloon FR 4M 3210 cm3 200 PS 197 bhp 147 kW 1600 kg

Similar models

4 door sedan/​saloon FR 4OD 4235 cm3 183 PS 180 bhp 134 kW 1786 kg
4 door sedan/​saloon FR 4M 3499 cm3 205 PS 202 bhp 151 kW 1675 kg
4 door sedan/​saloon FR 4M 3499 cm3 195 PS 192 bhp 143 kW 1675 kg
4 door sedan/​saloon FR 3A 3499 cm3 205 PS 202 bhp 151 kW
4 door sedan/​saloon FR 3A 3499 cm3 195 PS 192 bhp 143 kW
4 door sedan/​saloon FR 4M 3499 cm3 205 PS 202 bhp 151 kW 1700 kg
4 door sedan/​saloon FR 4M 3499 cm3 195 PS 192 bhp 143 kW 1700 kg
4 door sedan/​saloon FR 3A 3499 cm3 205 PS 202 bhp 151 kW
4 door sedan/​saloon FR 3A 3499 cm3 195 PS 192 bhp 143 kW
4 door sedan/​saloon FR 4A 3818 cm3 218 PS 215 bhp 160 kW 1595 kg
4 door sedan/​saloon FR 4A 3818 cm3 218 PS 215 bhp 160 kW 1615 kg
Opel Senator -
4 door sedan/​saloon FR 5M 2969 cm3 183 PS 180 bhp 134 kW 1485 kg
4 door sedan/​saloon FR 3A 2969 cm3 183 PS 180 bhp 134 kW 1495 kg
4 door sedan/​saloon FR 3A 3376 cm3 183 PS 180 bhp 134 kW 1845 kg
1977 BMW 733i Automatic data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerPaul Bracq
dimensions & weights
mminches
Wheelbase 2795 mm 110 inches
Track/tread (front) 1502 mm 59.1 inches
Track/tread (rear) 1516 mm 59.7 inches
Length 4860 mm 191.3 inches
Width 1800 mm 70.9 inches
Height 1430 mm 56.3 inches
Ground clearance
length:wheelbase ratio 1.74
Kerb weight 1620 kg 3571 lb
Weight distribution
fuel tank capacity 85 litres 18.7 UK Gal 22.5 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer BMW
Engine code M30B32
Cylinders Straight 6
Capacity 3.2 litre
3210 cc
(195.886 cu in)
Bore × Stroke 89 × 86 mm
3.5 × 3.39 in
Bore/stroke ratio 1.03
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
12 valves in total
maximum power output
(DIN)
200 PS (197 bhp) (147 kW)
at 5500 rpm
Specific output
(DIN)
61.4 bhp/litre
1.01 bhp/cu in
maximum torque
(DIN)
280 Nm (207 ft·lb) (28.6 kgm)
at 4300 rpm
Specific torque
(DIN)
87.23 Nm/litre
1.05 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9:1
Fuel system Bosch L-Jetronic fuel injection
bmep (brake mean effective pressure) 1096.1 kPa (159 psi)
Maximum RPM
crankshaft bearings 7
Engine coolant Water
Unitary capacity 535 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 10.6 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 198 km/h (123 mph)
Power-to-weight ratio 123.3 PS/tonne (1000 kg)
90.68 kW/tonne (1000 kg)
121.6 bhp/tonne (1000 kg)
0.05 bhp/lb
Weight-to-power ratio 11.03 kg/kW
18.42 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension I.CS.ARB.
Rear suspension I.STA.CS.
Wheel size front 6½J x 14 H2
Wheel size rear 6½J x 14 H2
Tyres front 205/70 VR 14
Tyres rear 205/70 VR 14
Brakes F/R VeDi/Di-S
Front brake diameter 280 mm
Rear brake diameter 280 mm
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 3.45
general
Carfolio.com ID253506
Production total
Model code
Model family E23
RAC rating 29.5
Insurance classification No information available
Tax band No information available
1977 BMW 733i Automatic added 2011-08-19.
Last modified 2013-06-19.