BMW 7 Series (E23) 728 (170 Hp) Automatic 1977

General Information

Modification (Engine)

728 (170 Hp) Automatic

Start of production

1977 year

Powertrain Architecture

Internal Combustion engine

Body type

Sedan

Seats

Doors

End of production

1979 year

Engine

Power

170 Hp @ 5800 rpm.

Power per litre

61 Hp/l

Engine location

Front, Longitudinal

Number of cylinders

Position of cylinders

Inline

Compression ratio

Number of valves per cylinder

Engine aspiration

Naturally aspirated engine

Torque

233 Nm @ 4000 rpm.

Engine displacement

2788

Cylinder Bore

86 mm

Piston Stroke

80 mm

Engine oil capacity

5.8 l

Coolant

12 l

Fuel System

Multi-point indirect injection

Valvetrain

SOHC

Dimensions

Rear (Back) track

1524 mm

Width

1800 mm

Height

1430 mm

Length

4860 mm

Front track

1502 mm

Wheelbase

2795 mm

Ride height (ground clearance)

132 mm

Performance Characteristics

Acceleration 0 - 100 km/h

11.9 sec

Maximum speed

186 km/h

Acceleration 0 - 60 mph

11.3 sec

Volume and Weight

Max load

450 kg

Kerb Weight

1550 kg

Fuel tank capacity

90 l

Max. weight

2000 kg

Transmission, Brakes and Suspension

Drivetrain Architecture

The Internal combustion engine (ICE) drives the rear wheels of the vehicle.

Drive wheel

Rear wheel drive

Number of gears and type of gearbox

3 gears, automatic transmission

Front suspension

Independent, type McPherson with coil spring and anti-roll bar

Rear suspension

Independent coil spring

Front brakes

Ventilated discs

Rear brakes

Disc

Wheel rims size

6.0J x 14; 165 T 390

Tires size

195/70 HR14; 220/55 HR390 TRX

BMW 7 Series 728 (170 Hp) Automatic