1979 BMW 735i, 1981 MY E23

This vehicle has a 4 door saloon body style with a front mounted engine powering the rear wheels. It is part of BMW's E23 model range. It's powered courtesy of a naturally aspirated engine of 3.5 litre capacity. This unit features single overhead camshaft valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 215 bhp (218 PS/160 kW) of power at 5200 rpm, and maximum torque of 309 N·m (228 lb·ft/31.5 kgm) at 4000 rpm. A 5 speed manual gearbox delivers the power to the driven wheels. The claimed kerb weight is 1530 kg.

Pictures

Key facts

1979 BMW 735i, 1981 MY E23 information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4864 mm
How heavy?
1530 kg
What size engine?
3.5 litre, 3453 cm3
How many cylinders?
6, Straight
How much power?
218 PS / 215 bhp / 160 kW @ 5200 rpm
How much torque?
309 Nm / 228 ft.lb / 31.5 kgm @ 4000 rpm

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
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
4 door sedan/​saloon FR 3A 3210 cm3 200 PS 197 bhp 147 kW 1620 kg

Similar models

4 door sedan/​saloon FR 4M 3499 cm3 205 PS 202 bhp 151 kW 1675 kg
4 door sedan/​saloon FR 3A 3499 cm3 205 PS 202 bhp 151 kW
4 door sedan/​saloon FR 4M 3499 cm3 205 PS 202 bhp 151 kW 1700 kg
4 door sedan/​saloon FR 3A 3499 cm3 205 PS 202 bhp 151 kW
4 door sedan/​saloon FR 4A 3839 cm3 204 PS 201 bhp 150 kW 1595 kg
4 door sedan/​saloon FR 4A 3818 cm3 218 PS 215 bhp 160 kW 1595 kg
4 door sedan/​saloon FR 4A 3839 cm3 204 PS 201 bhp 150 kW 1615 kg
4 door sedan/​saloon FR 4A 3818 cm3 218 PS 215 bhp 160 kW 1615 kg
1979 BMW 735i data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
mminches
Wheelbase 2795 mm 110 inches
Track/tread (front) 1504 mm 59.2 inches
Track/tread (rear) 1516 mm 59.7 inches
Length 4864 mm 191.5 inches
Width 1801 mm 70.9 inches
Height 1430 mm 56.3 inches
Ground clearance
length:wheelbase ratio 1.74
Kerb weight 1530 kg 3373 lb
Weight distribution
fuel tank capacity 100 litres 22 UK Gal 26.4 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer BMW
Engine code M30B35
Cylinders Straight 6
Capacity 3.5 litre
3453 cc
(210.715 cu in)
Bore × Stroke 93.4 × 84 mm
3.68 × 3.31 in
Bore/stroke ratio 1.11
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
12 valves in total
maximum power output
(DIN)
218 PS (215 bhp) (160 kW)
at 5200 rpm
Specific output
(DIN)
62.3 bhp/litre
1.02 bhp/cu in
maximum torque
(DIN)
309 Nm (228 ft·lb) (31.5 kgm)
at 4000 rpm
Specific torque
(DIN)
89.49 Nm/litre
1.08 ft·lb/cu3
Engine construction
sump
compression ratio 9.3:1
Fuel system Bosch L-Jetronic fuel injection
bmep (brake mean effective pressure) 1124.5 kPa (163.1 psi)
Maximum RPM
crankshaft bearings 7
Engine coolant Water
Unitary capacity 575.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio 142.48 PS/tonne (1000 kg)
104.79 kW/tonne (1000 kg)
140.52 bhp/tonne (1000 kg)
0.06 bhp/lb
Weight-to-power ratio 9.54 kg/kW
15.94 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.MS.CS.
Rear suspension I.STA.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Di
Front brake diameter
Rear brake diameter
Braked area
Gearbox 5 speed manual
Top gear ratio 0.81
Final drive ratio 3.25
general
Carfolio.com ID31009
Production total
Model code
Model family E23
RAC rating 32.5
Insurance classification No information available
Tax band No information available
1979 BMW 735i added before December 1995.
Last modified 2013-02-28.