BMW
BMW 7 Series E23 (1977–1983) Specs
Specifications, engines, dimensions and technical data.
Gen 1
1977 - 1986
E23
Sedan
W
L
H
WB
GC
Boot
Engine
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Power
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Fuel
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Gears
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Platform
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Body Style
Chassis
Engines
Quick Specs
Fuel
Fuel
Combined
Combined
Engine Lineup
| Trans | Engine | Gears | HP | Fuel | CO₂ |
|---|---|---|---|---|---|
| MT | 728i Automatic | 5 | 184 HP | Petrol | — |
| MT | 730 Automatic | 4 | 184 HP | Petrol | — |
| MT | 732i Automatic | 5 | 197 HP | Petrol | — |
| MT | 733i Automatic | 4 | 197 HP | Petrol | — |
| MT | 735i Automatic | 5 | 218 HP | Petrol | — |
| AT | 745i Automatic | 3 | 252 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
BMW 7 Series E23 overview
The BMW 7 Series (E23) is the 1st generation of the 7 Series, built from 1977 to 1983. It is offered as a Sedan with 5 engines (petrol), from 170 HP to 252 HP. The 728 (170 Hp) accelerates from 0 to 100 km/h in 10.1 s, reaches a top speed of 192 km/h and is 4860 mm long.
How much horsepower does the BMW 7 Series have?
The BMW 7 Series (E23) has 170 HP to 252 HP, depending on the engine: 2.8 M30 (170 HP), 3.0 M30 (184 HP), 3.2 M30 (197 HP), 3.4 M30 (217 HP), 3.2 M102 (252 HP).
What engines are available for the BMW 7 Series?
The BMW 7 Series is available with 5 engines: 2.8 M30 (170 HP, petrol), 3.0 M30 (184 HP, petrol), 3.2 M30 (197 HP, petrol), 3.4 M30 (217 HP, petrol), 3.2 M102 (252 HP, petrol).
What are the dimensions of the BMW 7 Series?
The BMW 7 Series is 4860 mm long, 1800 mm wide, 1430 mm tall, with a 2795 mm wheelbase.
How fast is the BMW 7 Series?
The BMW 7 Series 728 (170 Hp) goes from 0 to 100 km/h in 10.1 s and has a top speed of 192 km/h.
Advanced Specs
Overview
| Generation | BMW 7 Series E23 |
|---|---|
| Year | 1977–1979 |
| Platform | BMW E23 |
| Variant | 728 (170 Hp) |
| Body type | sedan |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 4 |
Power & torque
| Power | 170 HP |
|---|---|
| Power @ max rpm | 5800 rpm |
| Torque | 233 Nm |
| Torque @ max rpm | 4000 rpm |
Performance
| Top speed | 192 km/h |
|---|---|
| 0–100 km/h | 10.1 s |
| 0–62 mph | 10.1 s |
Engine
| Engine code | M30B28O0 |
|---|---|
| Displacement | 2788 cc |
| Cylinders | 6 |
| Configuration | inline |
| Bore | 86.0 mm |
| Stroke | 80.0 mm |
| Compression ratio | 9.3 |
| Valves per cylinder | 2 |
| Injection system | Multi Port Manifold Injection |
| Aspiration | Naturally Aspirated Engine |
| Valvetrain | sohc |
| Oil capacity | 5.8 L |
| Coolant | 12.0 L |
| Engine layout | Front Longitudinal |
Drivetrain & transmission
| Drive | Rear Wheel Drive |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| Drivetrain architecture | The Internal Combustion Engine Ice Drives The Rear Wheels Of The Vehicle |
| Gearbox type | manual |
| Gears | 4 |
| Gearbox code | 262 |
| Gearbox manufacturer | getrag |
Dimensions
| Length | 4860 mm |
|---|---|
| Width | 1800 mm |
| Height | 1430 mm |
| Wheelbase | 2795 mm |
| Front track | 1502 mm |
| Rear track | 1524 mm |
| Ground clearance | 132 mm |
Mass
| Kerb weight | 1530 kg |
|---|---|
| Max weight | 2000 kg |
| Max load | 470 kg |
Consumption & emissions
| Fuel tank | 90.0 L |
|---|
Chassis & brakes
| Front suspension | Independent Type Mcpherson With Coil Spring And Anti Roll Bar |
|---|---|
| Rear suspension | Independent Coil Spring |
| Front brakes | Ventilated Discs |
| Rear brakes | disc |
| Tire size | 195/70 R14 |
| Wheel rims | 6.0J x 14 |
Efficiency ratios
| Weight-to-power | 9 kg/Hp, 111.1 Hp/tonne |
|---|---|
| Weight-to-torque | 6.6 kg/Nm, 152.3 Nm/tonne |
Other
| Start Of Production | 1977 |
|---|---|
| End Of Production | 1979 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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