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BMW 1 Series Convertible (E88) 135i (306 Hp)
Overall Rating
BMW 1 Series:
The BMW 1 Series is a range of subcompact executive cars manufactured by BMW since 2004. It is the successor to the BMW 3 Series Compact and is currently in its fourth generation. Positioned as the entry-level model in BMW range of products, the first generation was produced in hatchback, coupé and convertible body styles.
Since 2014, the coupé and convertible models have been marketed separately as the 2 Series, therefore the 1 Series range no longer includes these body styles. A four-door sedan model became available for the Chinese market in 2017, using the front-wheel drive platform that is also used the basis for the third-generation 1 Series hatchback....(Read more on Wikipedia)
Convertible (E88) Overview:
BMW 1 Series (Convertible (E88)). With 400 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 excellent (0–100 km/h in 5.6 s). The top speed reaches 250 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.
135i (306 Hp) Verdict:
Performance Verdict
The ultimate performance choice, offering thrilling acceleration and an engaging manual gearbox for maximum driver involvement.
Fuel Economy
Similar to the automatic, fuel consumption is high, reflecting its performance focus.
Pros and Cons:
Pros:
- • Engaging rear-wheel-drive dynamics and handling
- • Wide range of powerful and efficient engines (petrol and diesel)
- • Premium interior quality for its class
- • Compact size makes it agile in urban environments
- • True open-top driving experience
Cons:
- • Limited rear passenger and boot space, especially with the roof down
- • Firm ride quality can be uncomfortable on rough roads
- • Some engines (N43, N47, N54) have known reliability concerns (e.g., timing chain, HPFP)
- • Higher running and maintenance costs compared to some rivals
- • Soft-top roof offers less sound insulation than a hardtop
Specifications:
Specifications are compared to those of the previous generation(Hatchback 5dr (E87 LCI, facelift 2007): 2007 - 2011).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | 1 Series |
| Generation: | Convertible (E88) |
| Modification (Engine): | 135i (306 Hp) |
| Start of production: | 2008 |
| End of production: | 2011 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Cabriolet |
| Seats: | 4 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Power: | 306 Hp @ 5800 rpm. Same horsepower |
| Power per litre: | 102.7 Hp/l [121mm more] |
| Torque: | 400 Nm @ 1300-5000 rpm. |
| Engine Model/Code: | N55B30A More details about the engine N55B30A |
| Engine displacement: | 2979 |
| Number of cylinders: | 6 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Direct injection |
| Engine aspiration: | Twin-power turbo, Intercooler |
| Engine oil capacity: | 6.5 l |
| Coolant: | 8.2 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 84 mm |
| Piston Stroke: | 89.6 mm |
| Compression ratio: | 10.2:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 13.3 l/100 km |
| Fuel consumption (economy) - extra urban: | 7.1 l/100 km |
| Fuel consumption (economy) - combined: | 9.4 l/100 km |
| Emission standard: | Euro 4 |
| Acceleration 0 - 100 km/h: | 5.6 sec |
| Acceleration 0 - 62 mph: | 5.6 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 5.2 kg/Hp, 191.3 Hp/tonne |
| Weight-to-torque ratio: | 4 kg/Nm, 250 Nm/tonne |
| Acceleration 0 - 60 mph: | 5.3 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1600 |
| Max. weight: | 2040 |
| Max load: | 440 |
| Trunk (boot) space - maximum: | 305 l |
| Trunk (boot) space - minimum: | 260 l |
| Fuel tank capacity: | 53 l |
| Size: | |
|---|---|
| Length: | 4360 mm [121mm more] |
| Width: | 1748 mm [Same width.] |
| Height: | 1411 mm [10mm less] |
| Wheelbase: | 2660 mm [Same wheelbase.] |
| Front track: | 1474 mm |
| Rear (Back) track: | 1507 mm |
| Ride height (ground clearance): | 140 mm |
| Minimum turning circle (turning diameter): | 10.7 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 6 |
| Transmission type | Manual |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Ventilated discs [Best for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 205/50 R17 89 W; 225/45 R17 91 W |
| Wheel rims size | 7J x 17; 7.5J x 17 |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
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