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BMW 728 {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
Sump
Compression ratio 9.00:1
Fuel system 1 So carb
Maximum power
0-50 mph
0-60 mph 9.80 s
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed 193 km/h (120 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 111.11 bhp/ton
Specific output
Maximum torque
bmep 1059.2 kPa (153.6 psi)
Specific torque 84.29 Nm/litre
Maximum rpm
Code
Main bearings
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) 1530 kg
Kerb weight (pounds) 3373 lb
Weight distribuiton
Fuel capacity (litres) 85 litres
Fuel capacity (UK Ga) 18.7 UK Ga
Fuel capacity (US Gal) 22.5 US Gal

Aerodynamics

Drag coefficient 0.420
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering recirculating ball PAS
Turns lock-to-lock
Turning circle
Tyres
Wheels
Brakes F/R Di/Di
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
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 1977 BMW 728 {E23} PDF Manual
728 {E23} picture
Designer unknown
Year 1977

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