BMW 7 Series E23 733i (197 Hp)
People\'s Opinion
N/A / 5
BMW 7 Series:
The BMW 7 Series is a full-size luxury sedan manufactured and marketed by the German automaker BMW since 1977. It is the successor to the BMW E3 "New Six" sedan and is now in its seventh generation.
The 7 Series is BMW's flagship car and is only available in a sedan bodystyle. It traditionally introduces technologies and exterior design themes before other models in BMW's lineup.
The first generation of the 7 Series was powered by straight-6 petrol engines, and following generations have been powered by inline-4, straight-6, V8 and V12 engines with both natural aspiration and turbocharging. Since 1995, diesel engines have been optional in the 7 Series....(Read more on Wikipedia)
E23 Overview:
BMW 7 Series (E23). With 280 Nm of torque, it offers ample pulling power. With a weight of 1600 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is good (0–100 km/h in 8.9 s). The top speed reaches 205 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.
Performance Verdict
A highly desirable trim, combining strong M30 power with the engagement of a manual gearbox for a truly rewarding driving experience.
Fuel Economy
Good balance of power and efficiency for its time, though still a large engine. Manual gearbox can offer slightly better control over consumption.
Best Use Case:
Enthusiast's choice, spirited highway driving.
Pros and Cons:
Pros:
- • Classic BMW styling and road presence
- • Smooth and powerful inline-six engines (M30)
- • Luxurious and comfortable interior for its era
- • Engaging driving dynamics for a large sedan
- • Good build quality and durability
- • Iconic status as the first 7 Series
Cons:
- • High fuel consumption by modern standards
- • Aging electronics can be problematic
- • Rust can be an issue on neglected examples
- • Parts availability for some specific components can be challenging
- • Maintenance costs can be significant
- • Lack of modern safety features
Specifications:
| General: |
| Brand: | BMW |
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| Model: | 7 Series |
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| Generation: | E23 |
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| Modification (Engine): | 733i (197 Hp) |
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| Start of production: | 1977 |
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| End of production: | 1979 |
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| Powertrain Architecture: | Internal Combustion engine |
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| Body type: | Sedan |
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| Seats: | 5 |
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| Doors: | 4 |
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| Engine: |
| Power: | 197 Hp @ 5500 rpm. |
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| Power per litre: | 61.5 Hp/l |
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| Torque: | 280 Nm @ 4300 rpm. |
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| Engine Model/Code: | 326EZ1 |
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| Engine displacement: | 3205 |
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| Number of cylinders: | 6 |
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| Engine configuration: | Inline |
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| Number of valves per cylinder: | 2 |
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| Fuel injection system: | Multi-port manifold injection |
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| Engine aspiration: | Naturally aspirated engine |
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| Valvetrain: | SOHC |
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| Engine layout: | Front, Longitudinal |
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| Cylinder Bore: | 89 mm mm |
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| Piston Stroke: | 86 mm mm |
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| Compression ratio: | 9.3:1 |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Acceleration 0 - 100 km/h: | 8.9 sec |
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| Acceleration 0 - 62 mph: | 8.9 sec |
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| Maximum speed: | 205 km/h |
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| Weight-to-power ratio: | 8.1 kg/Hp, 123.1 Hp/tonne |
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| Weight-to-torque ratio: | 5.7 kg/Nm, 175 Nm/tonne |
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| Acceleration 0 - 60 mph: | 8.5 sec |
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| Space: |
| Kerb Weight: | 1600 |
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| Max. weight: | 2070 |
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| Max load: | 470 |
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| Fuel tank capacity: | 90 l |
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| Size: |
| Length: | 4860 mm mm |
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| Width: | 1800 mm mm |
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| Height: | 1430 mm mm |
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| Wheelbase: | 2795 mm mm |
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| Front track: | 1502 mm |
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| Rear (Back) track: | 1524 mm |
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| Ride height (ground clearance): | 132 mm |
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| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
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| Drive wheel | Rear wheel drive |
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| Number of gears | 4 |
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| Transmission type | Manual |
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| Front brakes | Ventilated discs |
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| Rear brakes | Disc |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Tires size | 205/70 HR14; 220/55 HR390 TRX |
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| Wheel rims size | 6.5 J x 14; 165 T 390 |
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| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
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| Rear suspension | Independent coil spring |
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