1974 BMW 2.5 CS E9

The BMW 2.5 CS is a rear wheel drive motor vehicle, with the engine placed in the front, and a 2 door coupé bodyshell. It forms part of BMW's E9 series. The power is produced by a naturally aspirated engine of 2.5 litre capacity. This powerplant features single overhead camshaft valve gear, 6 cylinder layout, and 2 valves per cylinder. It has an output of 148 bhp (150 PS/110 kW) of power at 6000 rpm, and maximum torque of 211 N·m (156 lb·ft/21.5 kgm) at 3700 rpm. This power is transmitted to the wheels by means of a 4 speed manual gearbox. Stated weight at the kerb is 1400 kg. Maximum speed claimed is 200 km/h (124 mph).

Pictures

Key facts

1974 BMW 2.5 CS E9 information summary

What body style?
2 door fixed-head coupé with 2+2 seats
How long?
4660 mm
How heavy?
1400 kg
What size engine?
2.5 litre, 2495 cm3
How many cylinders?
6, Straight
How much power?
150 PS / 148 bhp / 110 kW @ 6000 rpm
How much torque?
211 Nm / 156 ft.lb / 21.5 kgm @ 3700 rpm
How quick?
0-100 km/h: 9.9 s
How fast?
200 km/h, 124 mph

BMW E9 models

2 door fixed-head coupé FR 4M 3153 cm3 206 PS 203 bhp 151 kW 1270 kg
BMW 3.0 CSL -
2 door fixed-head coupé FR 4M 3003 cm3 200 PS 197 bhp 147 kW 1270 kg
BMW 3.0 CS -
2 door fixed-head coupé FR 3A 2986 cm3 180 PS 177.5 bhp 132 kW 1420 kg
2 door fixed-head coupé FR 4M 2986 cm3 180 PS 177.5 bhp 132 kW 1165 kg

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1974 BMW 2.5 CS data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2625 mm 103.3 inches
Track/tread (front) 1446 mm 56.9 inches
Track/tread (rear) 1398 mm 55 inches
Length 4660 mm 183.5 inches
Width 1670 mm 65.7 inches
Height 1370 mm 53.9 inches
Ground clearance
length:wheelbase ratio 1.78
Kerb weight 1400 kg 3086 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer BMW
Engine code
Cylinders Straight 6
Capacity 2.5 litre
2495 cc
(152.254 cu in)
Bore × Stroke 86 × 71.6 mm
3.39 × 2.82 in
Bore/stroke ratio 1.2
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
12 valves in total
maximum power output 150 PS (148 bhp) (110 kW)
at 6000 rpm
Specific output 59.3 bhp/litre
0.97 bhp/cu in
maximum torque 211 Nm (156 ft·lb) (21.5 kgm)
at 3700 rpm
Specific torque 84.57 Nm/litre
1.02 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 9:1
Fuel system 2 Zenith 35/40 INAT carburettors
bmep (brake mean effective pressure) 1062.7 kPa (154.1 psi)
Maximum RPM
crankshaft bearings 7
Engine coolant Water
Unitary capacity 415.83 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 6.6 s
Acceleration 0-60mph
Acceleration 0-100km/h 9.9 s
Acceleration 0-160km/h (100mph) 26.80 s
Standing quarter-mile
Standing kilometre 31 s
@ 168 km/h
Maximum speed 200 km/h (124 mph)
Power-to-weight ratio 107.18 PS/tonne (1000 kg)
78.83 kW/tonne (1000 kg)
105.71 bhp/tonne (1000 kg)
0.05 bhp/lb
Weight-to-power ratio 12.69 kg/kW
21.19 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.ARB.
Rear suspension I.STLi.CS.
Wheel size front
Wheel size rear
Tyres front 175 HR 14
Tyres rear 175 HR 14
Brakes F/R Di/Di-S
Front brake diameter 272 mm
Rear brake diameter 272 mm
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.64
general
Carfolio.com ID153527
Production total
Model code
Model family E9
RAC rating 27.5
Insurance classification No information available
Tax band No information available
1974 BMW 2.5 CS added 2007-02-02.
Last modified 2013-02-28.