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  Article Image gallery (93) Chassis (4) Specifications  
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Country of origin:Germany
Produced in:1977
Internal name:E21
Author:Wouter Melissen
Last updated:March 23, 2018
Download: All images

Engine
Configuration M12/7 Straight 4
Location Front, longitudinally mounted
Construction cast-iron block, aluminium head
Displacement 1,998 cc / 121.9 cu in
Bore / Stroke 89.2 mm (3.5 in) / 80.0 mm (3.1 in)
Valvetrain 4 valves / cylinder, DOHC
Camshaft Gear driven
Fuel feed Bosch Kugelfischer Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 298 bhp / 222 kW @ 9,250 rpm
Torque 255 Nm / 188 ft lbs @ 7,500 rpm
BHP/Liter 149 bhp / liter

Drivetrain
Chassis unitary steel
Front suspension McPherson struts, coil springs over dampers, anti-roll bar
Rear suspension semi-trailing arms, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes (fr/r) ATE discs
Gearbox Getrag 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 765 kilo / 1,687 lbs
Wheelbase / Track (fr/r) 2,563 mm (100.9 in) / 1,520 mm (59.8 in) / 1,630 mm (64.2 in)
Fuel tank 70 Litre (18.5 Gallon US / 15.4 Gallon Imperial)
Wheels (fr/r) 11 x 16 / 12.5 x 16
Tyres (fr/r) Goodyear 10.0/23.5 - 16 / 12.5/25.0 - 16

Performance figures
Power to weight 0.39 bhp / kg
Top Speed 245 km/h (152 mph)

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  Article Image gallery (93) Chassis (4) Specifications