BMW 3 Series Convertible (E30) 320i (129 Hp)


Overall Rating

7.9 / 10
Safety N/A / 5
Not Rated
Engine 4.0 / 5
Value 4.2 / 5
Performance 4.0 / 5
Comfort 3.5 / 5
People\'s Opinion N/A / 5
Not Rated

BMW 3 Series:

The BMW 3 series is a line of compact executive cars manufactured by the German automaker BMW since May 1975. It is the successor to the 02 series and has been produced in seven generations.
The first generation of the 3 Series was only available as a 2-door saloon; the model range expanded to include a 4-door saloon, 2-door convertible, 2-door coupé, 5-door estate, 5-door liftback and 3-door hatchback body styles. Since 2013, the coupé and convertible models have been marketed as the 4 Series; these styles no longer being included in the 3 Series....(Read more on Wikipedia)

Convertible (E30) Overview:

BMW 3 Series (Convertible (E30)). With 164 Nm of torque, it offers ample pulling power. Weighing only 1280 kg, it’s quite light. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 11.5 s). The top speed reaches 195 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.

320i (129 Hp) Verdict:

Rating 4 stars

Performance Verdict

The 129 hp M20B20 engine, paired with a manual gearbox, offers a more engaging and responsive drive than the automatic, suitable for daily use and enjoyable on winding roads.

Fuel Economy

This trim provides a good balance of performance and fuel efficiency, making it a practical choice for a classic convertible.

Best Use Case: Daily Driving / Enthusiast Entry-Level

Pros and Cons:

Pros:

  • • Timeless and iconic styling, especially as a convertible
  • • Engaging driving dynamics with excellent chassis balance
  • • Smooth and characterful straight-six engines (M20)
  • • Strong enthusiast community and parts availability
  • • Increasing classic car value and collectibility
  • • High-quality interior materials for its era

Cons:

  • • Age-related maintenance and potential for rust
  • • Lack of modern safety features (pre-Euro NCAP)
  • • Fuel economy is not competitive with modern vehicles
  • • Automatic transmissions can feel dated and sluggish
  • • Original suspension components may need refreshing
  • • Interior plastics can become brittle over time

Specifications:

Specifications are compared to those of the previous generation(Sedan (E30): 1984 - 1987).

General:
Brand:BMW
Model:3 Series
Generation:Convertible (E30)
Modification (Engine):320i (129 Hp)
Start of production:1985
End of production:1986
Powertrain Architecture:Internal Combustion engine
Body type:Cabriolet
Seats:4
Doors:2
Engine:
Power:129 Hp @ 6000 rpm. Same horsepower
Power per litre:64.8 Hp/l [Same length.]
Torque:164 Nm @ 4300 rpm.
Engine Model/Code:M20B20 More details about the engine M20B20
Engine displacement:1991
Number of cylinders:6
Engine configuration:Inline
Number of valves per cylinder:2
Fuel injection system:Multi-port manifold injection
Engine aspiration:Naturally aspirated engine
Engine oil capacity:4.25 l
Coolant:10.5 l
Engine layout:Front, Longitudinal
Cylinder Bore:80 mm mm
Piston Stroke:66 mm mm
Compression ratio:8.8:1
Performance:
Fuel Type:Petrol (Gasoline)
Fuel consumption (economy) - urban:13 l/100 km
Fuel consumption (economy) - extra urban:7.5 l/100 km
Fuel consumption (economy) - combined:9.5 l/100 km
Acceleration 0 - 100 km/h:11.5 sec
Acceleration 0 - 62 mph:11.5 sec
Maximum speed:195 km/h
Weight-to-power ratio:9.9 kg/Hp, 100.8 Hp/tonne
Weight-to-torque ratio:7.8 kg/Nm, 128.1 Nm/tonne
Acceleration 0 - 60 mph:10.9 sec
Space:
Kerb Weight:1280
Max. weight:1680
Max load:400
Trunk (boot) space - minimum:312 l
Fuel tank capacity:62 l
Size:
Length:4325 mm mm [Same length.]
Width:1645 mm mm [Same width.]
Height:1370 mm mm [10mm less]
Wheelbase:2570 mm mm [Same wheelbase.]
Front track:1405 mm
Rear (Back) track:1415 mm
Powertrain:
Drivetrain ArchitectureThe Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheelRear wheel drive
Number of gears5
Transmission typeManual
Front brakesDisc [bad for performance and cooling.]
Rear brakesDrum [bad for performance and cooling.]
Assisting systemsABS (Anti-lock braking system)
Power steeringHydraulic Steering
Tires size195/65 R14
Wheel rims size14
Front suspensionCoil spring
Rear suspensionCoil spring

What’s the best feature of the BMW 3 Series? Tell us in the comments!