Key facts

1988 BMW M3 Cabrio E30 information summary

What body style?
convertible/cabriolet with 4/5 seats
How long?
4346 mm
How heavy?
1360 kg
What size engine?
2.3 litre, 2302 cm3
How many cylinders?
4, Straight
How much power?
195 PS / 192 bhp / 143 kW @ 6750 rpm
How much torque?
230 Nm / 170 / 23.5 kgm @ 4750 rpm
How quick?
0-100 km/h: 7.5 s
How fast?
228 km/h, 142 mph


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Bayerische Motorenwerke AG

1988 BMW M3 Cabrio technical specifications


The BMW M3 Cabrio is a rear wheel drive vehicle, with the engine positioned in the front, and a 2 door convertible/cabriolet body.
It is part of BMW's E30 range of cars.
Its 2.3 litre engine is a naturally aspirated, double overhead camshaft, 4 cylinder that develops 192 bhp (195 PS/143 kW) of power at 6750 rpm, and maximum torque of 230 N·m (170 lb·ft/23.5 kgm) at 4750 rpm.
A 5 speed manual gearbox delivers the power to the driven wheels.
Quoted kerb weight is 1360 kg.
Maximum claimed speed is 228 km/h or 142 mph.
1988 BMW M3 Cabrio data
1988 BMW M3 Cabrio E30 data
Body type4/5 seater convertible/cabriolet
Number of doors2
dimensions & weights
Wheelbase 2565 101
Track/tread (front) 1412 55.6
Track/tread (rear) 1424 56.1
Length 4346 171.1
Width 1680 66.1
Height 1360 53.5
Ground clearance
length:wheelbase ratio 1.69
Kerb weight 1360 kg 2998 lb
Weight distribution
fuel tank capacity 55 litres 12.1 UK Gal 14.5 US Gal
Drag coefficient 0.33
Frontal area
engine type naturally aspirated petrol
Engine manufacturer BMW
Engine code 23 4E A/S14
Cylinders Straight 4
Capacity 2.3 litre
2302 cc
(140.477 cu in)
Bore × Stroke 93.4 × 84 mm
3.68 × 3.31 in
Bore/stroke ratio 1.11
double overhead camshaft (DOHC)
4 valves per cylinder
16 valves in total
maximum power output
195 PS (192 bhp) (143 kW)
at 6750 rpm
Specific output
83.4 bhp/litre
1.37 bhp/cu in
maximum torque
230 Nm (170 ft·lb) (23.5 kgm)
at 4750 rpm
Specific torque
99.91 Nm/litre
1.21 ft·lb/cu3
Engine construction
compression ratio 10.5:1
Fuel system Bosch ML-Motronic fuel injection
bmep (brake mean effective pressure) 1255.5 kPa (182.1 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 575.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h 7.5 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 28.1 s
Maximum speed 228 km/h (142 mph)
Power-to-weight ratio 143.14 PS/g
105.28 kW/g
141.18 bhp/ton
0.06 bhp/lb
Weight-to-power ratio 9.5 kg/kW
15.87 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion PAS
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front 7J x 15
Wheel size rear 7J x 15
Tyres front 205/55 VR 15
Tyres rear 205/55 VR 15
Brakes F/R VeDi/Di-S-ABS
Front brake diameter
Rear brake diameter
Gearbox 5 speed manual
Top gear ratio 1
Final drive ratio 3.25
general ID170775
Production total
Model code
Model family E30
RAC rating 21.6
Insurance classification No information available
Tax band No information available
1988 BMW M3 Cabrio added 2008-03-25.
Last modified 2013-02-28.

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1988 BMW M3 Cabrio

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