BMW 730, 1977 MY E23

BMW 730 is a car that has a 4 door sedan/saloon type body designed by Paul Bracq with a front located engine delivering power to the rear wheels. The BMW 730 belongs to the E23 range of cars from BMW. Powering the BMW 730 is a single overhead camshaft, 3 litre naturally aspirated 6 cylinder motor, with 2 valves per cylinder that develops power and torque figures of 181 bhp (184 PS/135 kW) at 5800 rpm and 255 N·m (188 lb·ft/26 kgm) at 3500 rpm respectively. The engine transmits power to the wheels via a 4 speed manual gearbox. The BMW 730 weighs a claimed 1580 kg at the kerb. Maximum speed claimed is 200 km/h (124 mph).

Pictures

Key facts

BMW 730, 1977 MY E23 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4860 mm
How heavy?
1580 kg
What size engine?
3 litre, 2986 cm3
How many cylinders?
6, Straight
How much power?
184 PS / 181 bhp / 135 kW @ 5800 rpm
How much torque?
255 Nm / 188 ft.lb / 26 kgm @ 3500 rpm
How quick?
0-60 mph: 9.4 s
How quick?
0-100 km/h: 9.6 s
How fast?
200 km/h, 124 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 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
4 door sedan/​saloon FR 3A 3210 cm3 200 PS 197 bhp 147 kW 1620 kg

Similar models

Mercedes-Benz 280 E -
4 door sedan/​saloon FR 4M 2746 cm3 185 PS 182 bhp 136 kW 1475 kg
4 door sedan/​saloon FR 4M 2746 cm3 188 PS 185 bhp 138 kW 1460 kg
4 door sedan/​saloon FR 5M 2746 cm3 185 PS 182 bhp 136 kW 1475 kg
4 door sedan/​saloon FR 4M 2746 cm3 177 PS 175 bhp 130 kW 1460 kg
4 door sedan/​saloon FR 4A 2746 cm3 185 PS 182 bhp 136 kW 1475 kg
4 door sedan/​saloon FR 4M 2746 cm3 185 PS 182 bhp 136 kW 1560 kg
4 door sedan/​saloon FR 4M 2746 cm3 185 PS 182 bhp 136 kW 1610 kg
4 door sedan/​saloon FR 4M 2746 cm3 177 PS 175 bhp 130 kW 1610 kg
4 door sedan/​saloon FR 4A 2746 cm3 185 PS 182 bhp 136 kW
4 door sedan/​saloon FR 4A 2746 cm3 185 PS 182 bhp 136 kW
4 door sedan/​saloon FR 4A 2746 cm3 177 PS 175 bhp 130 kW
4 door sedan/​saloon FR 4M 2746 cm3 185 PS 182 bhp 136 kW 1590 kg
4 door sedan/​saloon FR 4M 2746 cm3 185 PS 182 bhp 136 kW 1645 kg
4 door sedan/​saloon FR 4M 2746 cm3 177 PS 175 bhp 130 kW 1645 kg
4 door sedan/​saloon FR 4A 2746 cm3 185 PS 182 bhp 136 kW
4 door sedan/​saloon FR 4A 2746 cm3 185 PS 182 bhp 136 kW
4 door sedan/​saloon FR 4A 2746 cm3 177 PS 175 bhp 130 kW
4 door sedan/​saloon FR 4M 3499 cm3 195 PS 192 bhp 143 kW 1675 kg
4 door sedan/​saloon FR 3A 3499 cm3 195 PS 192 bhp 143 kW
4 door sedan/​saloon FR 4M 3499 cm3 195 PS 192 bhp 143 kW 1700 kg
4 door sedan/​saloon FR 3A 3499 cm3 195 PS 192 bhp 143 kW
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 730 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerPaul Bracq
dimensions & weights
mminches
Wheelbase 2795 mm 110 inches
Track/tread (front) 1508 mm 59.4 inches
Track/tread (rear) 1522 mm 59.9 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 1580 kg 3483 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 M30B30
Cylinders Straight 6
Capacity 3 litre
2986 cc
(182.217 cu in)
Bore × Stroke 89 × 80 mm
3.5 × 3.15 in
Bore/stroke ratio 1.11
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
12 valves in total
maximum power output
(DIN)
184 PS (181 bhp) (135 kW)
at 5800 rpm
Specific output
(DIN)
60.6 bhp/litre
0.99 bhp/cu in
maximum torque
(DIN)
255 Nm (188 ft·lb) (26 kgm)
at 3500 rpm
Specific torque
(DIN)
85.4 Nm/litre
1.03 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9:1
Fuel system 1 Solex 4 A 1 carburettor
bmep (brake mean effective pressure) 1073.1 kPa (155.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 497.67 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 9.4 s
Acceleration 0-100km/h 9.6 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 200 km/h (124 mph)
Power-to-weight ratio 116.15 PS/tonne (1000 kg)
85.43 kW/tonne (1000 kg)
114.56 bhp/tonne (1000 kg)
0.05 bhp/lb
Weight-to-power ratio 11.71 kg/kW
19.55 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 HR 14
Tyres rear 205/70 HR 14
Brakes F/R VeDi/Di-S
Front brake diameter 280 mm
Rear brake diameter 280 mm
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.45
general
Carfolio.com ID253550
Production total
Model code
Model family E23
RAC rating 29.5
Insurance classification No information available
Tax band No information available
1977 BMW 730 added 2011-08-19.
Last modified 2013-06-19.