BMW Turbo Prototype (1972) fixed-head coupé - technical specifications of 1972 BMW Turbo Prototype

BMW Turbo Prototype

(1972 model)

Brief specs of 1972 BMW Turbo Prototype

2-door 2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, SOHC (single overhead camshaft), 1991 cm³ / 121.5 cu in / 121.5 cu in, 96.0 kW / 128.7 hp / 128.7 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 177.0 N·m / 130.5 lb·ft / 130.5 lb·ft, manual 4-speed transmission, rear wheel drive, 249 km/h / 155 mph / 155 mph top speed

Marque (make)	BMW	Issued from	1972
Model	Turbo Prototype	Issued until
Serie	concept	Number made	2
Model family		Body construction
Model code		Body designation
Manufacturer	BMW	Country	DE

Marque (make)

BMW

Issued from

1972

Model

Turbo Prototype

Issued until

Serie

concept

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

BMW

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2
Bodywork designer	Paul Bracq	Cargo capacity (volume)
Passenger space (volume)	3970 l / 140.20 cu ft / 140.20 cu ft	Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

Bodywork designer

Paul Bracq

Cargo capacity (volume)

Passenger space (volume)

3970 l / 140.20 cu ft / 140.20 cu ft

Max. cargo capacity (volume)

Length	4144 mm / 163.1 in / 163.1 in	Total (curb) weight	980 kg / 2161 lb / 2161 lb
Width	1880 mm / 74.0 in / 74.0 in	Dry weight
Height	1100 mm / 43.3 in / 43.3 in	Load capacity
Wheelbase	2400 mm / 94.5 in / 94.5 in	Gross (max.) weight
Track front	1550 mm / 61.0 in / 61.0 in	Towing weight
Track rear	1530 mm / 60.2 in / 60.2 in	Weight distribution (front)
Ground clearance		Fuel capacity
Length/wheelbase ratio	1.73

Length

4144 mm / 163.1 in / 163.1 in

Total (curb) weight

980 kg / 2161 lb / 2161 lb

Width

1880 mm / 74.0 in / 74.0 in

Dry weight

Height

1100 mm / 43.3 in / 43.3 in

Load capacity

Wheelbase

2400 mm / 94.5 in / 94.5 in

Gross (max.) weight

Track front

1550 mm / 61.0 in / 61.0 in

Towing weight

Track rear

1530 mm / 60.2 in / 60.2 in

Weight distribution (front)

Ground clearance

Fuel capacity

Length/wheelbase ratio

1.73

Drag coefficient (Cd, Cx, Cw)	0.4	Frontal area (A)	1.76 m² / 18.9 sq ft / 18.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)	0.70 m² / 7.6 sq ft / 7.6 sq ft (est.)	Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)	17.5 kW / 23.4 hp / 23.4 hp (est.)

Drag coefficient (Cd, Cx, Cw)

0.4

Frontal area (A)

1.76 m² / 18.9 sq ft / 18.9 sq ft (est.)

Aerodynamic coefficient (Cd×A)

0.70 m² / 7.6 sq ft / 7.6 sq ft (est.)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

17.5 kW / 23.4 hp / 23.4 hp (est.)

Engine Code		Total number of cylinders	4
Engine Type	straight (inline) (Inline, 4 cylinder)	Total number of valves	8
Engine Manufacturer	BMW	Valves per cylinder	2
Engine construction		Bore	89.0 mm / 3.50 in / 3.50 in
Fuel	petrol (gasoline)	Stroke	80.0 mm / 3.15 in / 3.15 in
Fuel details		Bore/Stroke ratio	1.11
Fuel supply	Kugelfischer fuel injection	Engine displacement	1991 cm³ / 121.5 cu in / 121.5 cu in
Engine Main bearings		Unitary capacity	497.75 cm³/cylinder / 30.375 cu in/cylinder / 30.375 cu in/cylinder
Cam Design	SOHC (single overhead camshaft)	Compression ratio
Sump	wet	Max. output power	96.0 kW / 128.7 hp / 128.7 hp at 6000 rpm / 6000 rpm / 6000 rpm
Aspiration	turbocharged	Max. torque	177.0 N·m / 130.5 lb·ft / 130.5 lb·ft at
Compressor type		Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	62.8 kW / 84.2 hp / 84.2 hp (est.)
Coolant	water	Specific output	48.2 kW/l / 1.060 bhp/cu in / 1.060 bhp/cu in
Catalytic converter	no	Specific torque	88.9 N·m/l / 0.78 lb·ft/cu in / 0.78 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline) (Inline, 4 cylinder)

Total number of valves

Engine Manufacturer

BMW

Valves per cylinder

Engine construction

Bore

89.0 mm / 3.50 in / 3.50 in

Fuel

petrol (gasoline)

Stroke

80.0 mm / 3.15 in / 3.15 in

Fuel details

Bore/Stroke ratio

1.11

Fuel supply

Kugelfischer fuel injection

Engine displacement

1991 cm³ / 121.5 cu in / 121.5 cu in

Engine Main bearings

Unitary capacity

497.75 cm³/cylinder / 30.375 cu in/cylinder / 30.375 cu in/cylinder

Cam Design

SOHC (single overhead camshaft)

Compression ratio

Sump

wet

Max. output power

96.0 kW / 128.7 hp / 128.7 hp at 6000 rpm / 6000 rpm / 6000 rpm

Aspiration

turbocharged

Max. torque

177.0 N·m / 130.5 lb·ft / 130.5 lb·ft at

Compressor type

Maximum rpm

Intercooler

Max. net output (power at the wheels)

62.8 kW / 84.2 hp / 84.2 hp (est.)

Coolant

water

Specific output

48.2 kW/l / 1.060 bhp/cu in / 1.060 bhp/cu in

Catalytic converter

Specific torque

88.9 N·m/l / 0.78 lb·ft/cu in / 0.78 lb·ft/cu in

Transmission type	manual	Number of gears	4
Wheel drive	rear wheel drive	Top gear (drive) ratio
		Final gear (drive) ratio

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

Acceleration 0-50 mph (80 km/h)		Top (maximal) speed	249 km/h / 155 mph / 155 mph
Acceleration 0-60 mph (97 km/h)		Power-to-weight ratio	133.7 kW/ton / 101.3 bhp/ton / 101.3 bhp/ton
Acceleration 0-100 km/h	7.00 s / 7.00 s / 7.00 s	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)		Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top		Fuel consumption, Mixed (combined)
Standing ¼mile time		Fuel consumption, Euro
Standing kilometer time		CO₂ emissions
		Range

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

249 km/h / 155 mph / 155 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

133.7 kW/ton / 101.3 bhp/ton / 101.3 bhp/ton

Acceleration 0-100 km/h

7.00 s / 7.00 s / 7.00 s

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	middle	Engine alignment	transverse
Steering	rack & pinion	Steering details
Turns lock-to-lock		Turning circle
Suspension front	Independent, MacPherson strut, Torsion bar	Suspension rear
Wheels front		Wheels rear
Tyres front	175/80-HR14	Tyres rear	165/80SR-13
Brakes front		Brakes rear
Brake diameter front		Brake diameter rear
Brakes details		Braked area

Engine location

middle

Engine alignment

transverse

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Independent, MacPherson strut, Torsion bar

Suspension rear

Wheels front

Wheels rear

Tyres front

175/80-HR14

Tyres rear

165/80SR-13

Brakes front

Brakes rear

Brake diameter front

Brake diameter rear

Brakes details

Braked area

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