BMW M1 (1978) fixed-head coupé - technical specifications of 1978 BMW M1

(1978 model)

Brief specs of 1978 BMW M1

2-door 2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 24-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 3453 cm³ / 210.7 cu in / 210.7 cu in, 203.6 kW / 273.0 hp / 273.0 hp @ 6500 rpm / 6500 rpm / 6500 rpm, 330.0 N·m / 243.4 lb·ft / 243.4 lb·ft @ 5000 rpm / 5000 rpm / 5000 rpm, manual 5-speed transmission, rear wheel drive, 262 km/h / 163 mph / 163 mph top speed

Marque (make)	BMW	Issued from	1978
Model	M1	Issued until
Serie	M1	Number made	453
Model family	E26	Body construction
Model code	E26	Body designation
Manufacturer	BMW	Country	DE

Marque (make)

BMW

Issued from

1978

Model

Issued until

Serie

Number made

453

Model family

E26

Body construction

Model code

E26

Body designation

Manufacturer

BMW

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2
Bodywork designer	Giugiaro	Cargo capacity (volume)
Passenger space (volume)	4450 l / 157.15 cu ft / 157.15 cu ft	Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

Bodywork designer

Giugiaro

Cargo capacity (volume)

Passenger space (volume)

4450 l / 157.15 cu ft / 157.15 cu ft

Max. cargo capacity (volume)

Length	4359 mm / 171.6 in / 171.6 in	Total (curb) weight	1300 kg / 2866 lb / 2866 lb
Width	1824 mm / 71.8 in / 71.8 in	Dry weight
Height	1138 mm / 44.8 in / 44.8 in	Load capacity
Wheelbase	2560 mm / 100.8 in / 100.8 in	Gross (max.) weight
Track front	1549 mm / 61.0 in / 61.0 in	Towing weight
Track rear	1575 mm / 62.0 in / 62.0 in	Weight distribution (front)	44.0 % / 44.0 % / 44.0 %
Ground clearance	120 mm / 4.7 in / 4.7 in	Fuel capacity	116 l / 25.5 UK gal / 30.6 US gal
Length/wheelbase ratio	1.7

Length

4359 mm / 171.6 in / 171.6 in

Total (curb) weight

1300 kg / 2866 lb / 2866 lb

Width

1824 mm / 71.8 in / 71.8 in

Dry weight

Height

1138 mm / 44.8 in / 44.8 in

Load capacity

Wheelbase

2560 mm / 100.8 in / 100.8 in

Gross (max.) weight

Track front

1549 mm / 61.0 in / 61.0 in

Towing weight

Track rear

1575 mm / 62.0 in / 62.0 in

Weight distribution (front)

44.0 % / 44.0 % / 44.0 %

Ground clearance

120 mm / 4.7 in / 4.7 in

Fuel capacity

116 l / 25.5 UK gal / 30.6 US gal

Length/wheelbase ratio

1.7

Drag coefficient (Cd, Cx, Cw)	0.4	Frontal area (A)	1.76 m² / 19.0 sq ft / 19.0 sq ft (est.)
Aerodynamic coefficient (Cd×A)	0.71 m² / 7.6 sq ft / 7.6 sq ft (est.)	Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)	17.5 kW / 23.5 hp / 23.5 hp (est.)

Drag coefficient (Cd, Cx, Cw)

0.4

Frontal area (A)

1.76 m² / 19.0 sq ft / 19.0 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

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

17.5 kW / 23.5 hp / 23.5 hp (est.)

Engine Code		Total number of cylinders	6
Engine Type	straight (inline) (Inline, 6 cylinder)	Total number of valves	24
Engine Manufacturer	BMW	Valves per cylinder	4
Engine construction	cast iron block; light alloy head	Bore	93.4 mm / 3.68 in / 3.68 in
Fuel	petrol (gasoline)	Stroke	84.0 mm / 3.31 in / 3.31 in
Fuel details		Bore/Stroke ratio	1.11
Fuel supply	Ku-Bo fuel inj.	Engine displacement	3453 cm³ / 210.7 cu in / 210.7 cu in
Engine Main bearings	7	Unitary capacity	575.50 cm³/cylinder / 35.119 cu in/cylinder / 35.119 cu in/cylinder
Cam Design	DOHC (double overhead camshafts, twin cam)	Compression ratio	9.0 : 1
Sump	dry	Max. output power	203.6 kW / 273.0 hp / 273.0 hp at 6500 rpm / 6500 rpm / 6500 rpm
Aspiration	natural	Max. torque	330.0 N·m / 243.4 lb·ft / 243.4 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm
Compressor type	N/A	Maximum rpm	7000 rpm / 7000 rpm / 7000 rpm
Intercooler	no	Max. net output (power at the wheels)	94.6 kW / 126.9 hp / 126.9 hp (est.)
Coolant	water	Specific output	59.0 kW/l / 1.296 bhp/cu in / 1.296 bhp/cu in
Catalytic converter	no	Specific torque	95.6 N·m/l / 0.84 lb·ft/cu in / 0.84 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline) (Inline, 6 cylinder)

Total number of valves

Engine Manufacturer

BMW

Valves per cylinder

Engine construction

cast iron block; light alloy head

Bore

93.4 mm / 3.68 in / 3.68 in

Fuel

petrol (gasoline)

Stroke

84.0 mm / 3.31 in / 3.31 in

Fuel details

Bore/Stroke ratio

1.11

Fuel supply

Ku-Bo fuel inj.

Engine displacement

3453 cm³ / 210.7 cu in / 210.7 cu in

Engine Main bearings

Unitary capacity

575.50 cm³/cylinder / 35.119 cu in/cylinder / 35.119 cu in/cylinder

Cam Design

DOHC (double overhead camshafts, twin cam)

Compression ratio

9.0 : 1

Sump

dry

Max. output power

203.6 kW / 273.0 hp / 273.0 hp at 6500 rpm / 6500 rpm / 6500 rpm

Aspiration

natural

Max. torque

330.0 N·m / 243.4 lb·ft / 243.4 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm

Compressor type

N/A

Maximum rpm

7000 rpm / 7000 rpm / 7000 rpm

Intercooler

Max. net output (power at the wheels)

94.6 kW / 126.9 hp / 126.9 hp (est.)

Coolant

water

Specific output

59.0 kW/l / 1.296 bhp/cu in / 1.296 bhp/cu in

Catalytic converter

Specific torque

95.6 N·m/l / 0.84 lb·ft/cu in / 0.84 lb·ft/cu in

Transmission type	manual	Number of gears	5
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.7
		Final gear (drive) ratio	4.22

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.7

Final gear (drive) ratio

4.22

Acceleration 0-50 mph (80 km/h)	4.50 s / 4.50 s / 4.50 s	Top (maximal) speed	262 km/h / 163 mph / 163 mph
Acceleration 0-60 mph (97 km/h)	5.60 s / 5.60 s / 5.60 s	Power-to-weight ratio	210.0 kW/ton / 159.1 bhp/ton / 159.1 bhp/ton
Acceleration 0-100 km/h	5.90 s / 5.90 s / 5.90 s	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)	13.10 s / 13.10 s / 13.10 s	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)

4.50 s / 4.50 s / 4.50 s

Top (maximal) speed

262 km/h / 163 mph / 163 mph

Acceleration 0-60 mph (97 km/h)

5.60 s / 5.60 s / 5.60 s

Power-to-weight ratio

210.0 kW/ton / 159.1 bhp/ton / 159.1 bhp/ton

Acceleration 0-100 km/h

5.90 s / 5.90 s / 5.90 s

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

13.10 s / 13.10 s / 13.10 s

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	longitudinal
Steering	rack & pinion	Steering details
Turns lock-to-lock		Turning circle	13.0 m / 42.7 ft / 42.7 ft
Suspension front	Independent, Coil springs, Wishbone (A-arm, control arm)	Suspension rear	Independent, Coil springs, Wishbone (A-arm, control arm)
Wheels front	7 x 16	Wheels rear	8 x 16
Tyres front	205/55 VR 16	Tyres rear	225/50 VR 16
Brakes front	ventilated disc	Brakes rear	ventilated disc
Brake diameter front	300 mm / 11.8 in / 11.8 in	Brake diameter rear	297 mm / 11.7 in / 11.7 in
Brakes details	servo-assisted	Braked area

Engine location

middle

Engine alignment

longitudinal

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

13.0 m / 42.7 ft / 42.7 ft

Suspension front

Independent, Coil springs, Wishbone (A-arm, control arm)

Suspension rear

Independent, Coil springs, Wishbone (A-arm, control arm)

Wheels front

7 x 16

Wheels rear

8 x 16

Tyres front

205/55 VR 16

Tyres rear

225/50 VR 16

Brakes front

ventilated disc

Brakes rear

ventilated disc

Brake diameter front

300 mm / 11.8 in / 11.8 in

Brake diameter rear

297 mm / 11.7 in / 11.7 in

Brakes details

servo-assisted

Braked area

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Brief specs of 1978 BMW M1

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