BMW 7 Series E23 730 (184 Hp)


Overall Rating

7.9 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 4.0 / 5
Performance 4.0 / 5
Comfort 4.5 / 5
People\'s Opinion N/A / 5
Not Rated

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 255 Nm of torque, it offers ample pulling power. With a weight of 1580 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 9.6 s). The top speed reaches 200 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.

730 (184 Hp) Verdict:

Rating 4 stars

Performance Verdict

A capable performer with good power for its displacement, offering a more engaging drive with the manual gearbox. Responsive and smooth.

Fuel Economy

Reasonable for its power output, but still a classic large-displacement inline-six. Expect moderate to high fuel consumption.

Best Use Case: Enthusiast daily driver, mixed city/highway.

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
Model:7 Series
Generation:E23
Modification (Engine):730 (184 Hp)
Start of production:1977
End of production:1979
Powertrain Architecture:Internal Combustion engine
Body type:Sedan
Seats:5
Doors:4
Engine:
Power:184 Hp @ 5500 rpm.
Power per litre:61.6 Hp/l
Torque:255 Nm @ 3500 rpm.
Engine Model/Code:306VZ1
Engine displacement:2985
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:4
Fuel injection system:Multi-port manifold injection
Engine aspiration:Naturally aspirated engine
Valvetrain:SOHC
Engine oil capacity:5.8 l
Engine layout:Front, Longitudinal
Cylinder Bore:89 mm mm
Piston Stroke:80 mm mm
Compression ratio:9:1
Performance:
Fuel Type:Petrol (Gasoline)
Acceleration 0 - 100 km/h:9.6 sec
Acceleration 0 - 62 mph:9.6 sec
Maximum speed:200 km/h
Weight-to-power ratio:8.6 kg/Hp, 116.5 Hp/tonne
Weight-to-torque ratio:6.2 kg/Nm, 161.4 Nm/tonne
Acceleration 0 - 60 mph:9.1 sec
Space:
Kerb Weight:1580
Max. weight:2050
Max load:470
Fuel tank capacity:90 l
Size:
Length:4860 mm mm
Width:1800 mm mm
Height:1430 mm mm
Wheelbase:2795 mm mm
Front track:1502 mm
Rear (Back) track:1524 mm
Ride height (ground clearance):132 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears4
Transmission typeManual
Front brakesVentilated discs
Rear brakesDisc
Tires size205/70 R14
Wheel rims size6.5J x 14
Front suspensionIndependent, type McPherson with coil spring and anti-roll bar
Rear suspensionIndependent multi-link suspension

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