The Mini Convertible Cooper S 2.0 (178 Hp) represents a performance-oriented variant within the F57 generation of the Mini Convertible, specifically the facelifted model introduced in March 2021 and produced through July 2022. Positioned as a step up from the base Cooper models, the Cooper S aimed to deliver a more engaging driving experience while retaining the stylish and compact nature of the Mini brand. This iteration of the Convertible falls within the broader context of BMW’s ownership of Mini, leveraging BMW engine technology and chassis components. It primarily targeted the European and North American markets, appealing to buyers seeking a premium, sporty open-top vehicle.
Technical Specifications
| Brand | Mini |
| Model | Convertible |
| Generation | Convertible (F57, facelift 2021) |
| Type (Engine) | Cooper S 2.0 (178 Hp) |
| Start of production | March, 2021 |
| End of production | July, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Combined fuel consumption (WLTP) | 6.5-6.9 l/100 km (36.2 – 34.1 US mpg, 43.5 – 40.9 UK mpg, 15.4 – 14.5 km/l) |
| CO2 emissions (WLTP) | 148-157 g/km |
| Fuel consumption (urban) | 8.4-8.7 l/100 km (28 – 27 US mpg, 33.6 – 32.5 UK mpg, 11.9 – 11.5 km/l) |
| Fuel consumption (extra urban) | 5.4-5.5 l/100 km (43.6 – 42.8 US mpg, 52.3 – 51.4 UK mpg, 18.5 – 18.2 km/l) |
| Fuel consumption (combined) | 6.5-6.7 l/100 km (36.2 – 35.1 US mpg, 43.5 – 42.2 UK mpg, 15.4 – 14.9 km/l) |
| CO2 emissions (NEDC) | 149-153 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.1 sec |
| Acceleration 0 – 62 mph | 7.1 sec |
| Acceleration 0 – 60 mph | 6.7 sec |
| Maximum speed | 230 km/h (142.92 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 7.3 kg/Hp, 136.4 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 214.6 Nm/tonne |
| Power | 178 Hp @ 5000-5500 rpm |
| Power per litre | 89.1 Hp/l |
| Torque | 280 Nm @ 1350-4200 rpm (206.52 lb.-ft. @ 1350-4200 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B48A20F |
| Engine displacement | 1998 cm3 (121.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 94.6 mm (3.72 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.25 l (5.55 US qt | 4.62 UK qt) |
| Coolant capacity | 6.75 l (7.13 US qt | 5.94 UK qt) |
| Kerb Weight | 1305 kg (2877.03 lbs.) |
| Max. weight | 1745 kg (3847.07 lbs.) |
| Max load | 440 kg (970.03 lbs.) |
| Trunk (boot) space – minimum | 160 l (5.65 cu. ft.) |
| Trunk (boot) space – maximum | 215 l (7.59 cu. ft.) |
| Fuel tank capacity | 44 l (11.62 US gal | 9.68 UK gal) |
| Length | 3876 mm (152.6 in.) |
| Width | 1727 mm (67.99 in.) |
| Width including mirrors | 1932 mm (76.06 in.) |
| Height | 1415 mm (55.71 in.) |
| Wheelbase | 2495 mm (98.23 in.) |
| Front track | 1485 mm (58.46 in.) |
| Rear track | 1485 mm (58.46 in.) |
| Front overhang | 771 mm (30.35 in.) |
| Rear overhang | 610 mm (24.02 in.) |
| Ride height (ground clearance) | 115 mm (4.53 in.) |
| Drag coefficient (Cd) | 0.36 |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer, Trailing arm |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The Cooper S 2.0 is powered by BMW’s B48A20F 2.0-liter turbocharged inline-four cylinder engine. This engine is a key component of BMW’s modular engine family, known for its efficiency and performance. The B48 utilizes direct fuel injection, operating at a compression ratio of 11:1. The turbocharger is a twin-scroll unit, designed to minimize turbo lag and provide a broad torque curve. The engine produces 178 horsepower at 5000-5500 rpm and 280 Nm (206.52 lb-ft) of torque between 1350 and 4200 rpm. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The 6-speed manual transmission was standard, offering precise shifts and a direct connection to the engine. A 7-speed dual-clutch transmission was also available as an option.
Driving Characteristics
The 178 hp Cooper S 2.0 with the manual transmission delivers a spirited driving experience. While not as overtly powerful as some of its competitors, the engine’s strong low-end torque makes it responsive in everyday driving situations. The 0-60 mph time of around 6.7 seconds is respectable for a small convertible. The manual gearbox provides a satisfying level of driver engagement, although the clutch pedal can be slightly heavier than some drivers might prefer. Compared to the base Cooper models, the Cooper S offers noticeably quicker acceleration and a more confident feel when overtaking. The suspension is tuned for a balance between comfort and handling, providing a reasonably compliant ride while still offering good body control in corners. The front-wheel-drive layout can exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The Cooper S 2.0 typically came standard with features such as automatic climate control, a 6.5-inch infotainment system with Bluetooth connectivity, and a leather-wrapped steering wheel. Upholstery options included cloth and leatherette. Optional extras included a larger 8.8-inch infotainment system with navigation, a Harman Kardon premium sound system, heated seats, and a head-up display. Exterior options included various wheel designs, body colors, and styling packages. The Convertible also featured a fully automatic fabric roof that could be opened or closed in around 18 seconds at speeds up to 30 mph.
Chassis & Braking
The F57 Convertible utilizes a McPherson strut front suspension and a multi-link rear suspension. The suspension geometry is optimized for handling and ride comfort. The front brakes are ventilated discs, while the rear brakes are solid discs. Anti-lock braking system (ABS) is standard. The steering is electric power-assisted, providing a light and precise feel. The chassis is reinforced to compensate for the lack of a fixed roof, maintaining a high level of structural rigidity.
Market Reception & Comparison
The Mini Convertible Cooper S 2.0 was generally well-received by automotive critics. It was praised for its stylish design, engaging driving dynamics, and premium interior. However, some critics noted that the rear seats were cramped and the trunk space was limited. Compared to other small convertibles, such as the Mazda MX-5 Miata, the Mini offered a more luxurious and refined experience, but at a higher price point. Fuel economy was considered average for its class, with combined fuel consumption ranging from 6.5 to 6.9 l/100 km. Reliability reports suggest that the B48 engine is generally reliable, but owners should be aware of potential issues with the turbocharger and fuel injectors.
Legacy
The F57 generation Mini Convertible, including the Cooper S 2.0, has established itself as a popular choice in the premium compact convertible segment. The B48 engine has proven to be a durable and capable powerplant. On the used car market, these models hold their value reasonably well, particularly those with low mileage and a full service history. The combination of style, performance, and practicality continues to appeal to a wide range of buyers, ensuring the Cooper S 2.0 remains a desirable option for those seeking a fun and fashionable open-top vehicle.
