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BMW 728i {E23}

Bodywork

type 4/5S SAL
doors 4

Engine information

Bore × stroke 86.00 mm × 80.00 mm 3.39 in × 3.15 in
Cylinders S-6
Displace 2.8 litre 2788 cc (170.134 cu in)
Engine type SOHC
Valves 2 valves per cylinder | 12 valves in total
Engine construction cast iron block; light alloy h
Sump
Compression ratio 9.30:1
Fuel system Bo L-Jet fuel inj.
Maximum power
0-50 mph
0-60 mph 9.30 s
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile) 16.60 s
Standing km
Top speed 201 km/h (125 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 123.13 bhp/ton
Specific output
Maximum torque
bmep 1081.8 kPa (156.9 psi)
Specific torque 86.08 Nm/litre
Maximum rpm 6500 rpm
Code M30
Main bearings 7
Coolant Water
Bore / stroke ratio 1.08
Unitary capacity 464.67 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2790 mm
wheelbase 109.8 in
Length (milimeters) 4860 mm
Length (inches) 191.3 in
Width (milimeters) 1800 mm
Width (inches) 70.9 in
Height (milimeters) 1430 mm
Height (inches) 56.3 in
L:W ratio 1.74
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 1470 kg
Kerb weight (pounds) 3241 lb
Weight distribuiton
Fuel capacity (litres) 100 litres
Fuel capacity (UK Ga) 22 UK Gal
Fuel capacity (US Gal) 26.4 US Gal

Aerodynamics

Drag coefficient 0.420
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering recirculating ball VPAS
Turns lock-to-lock 3.800
Turning circle 11.40 m
Tyres 195/70 HR 14
Wheels 6
Brakes F/R VeDi/Di-S
Brake ∅ 280 mm
Braked area
Transmission 5M
Top gear ratio 0.81
Final drive ratio 3.64

General information

RAC rating 27.5
Number made
Model code
Model family E23
Insurance classification No information available
Tax band No information available

Manual Download

Download 1979 BMW 728i {E23} PDF Manual
Designer unknown
Year 1979

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