£42,190 Price range
The BMW M240i is the smallest convertible in the BMW range to come with an M Performance badge. Based on the M240i Coupe, the main differences are the electric fabric roof which folds in 19 seconds, and the added 150kg from the roof mechanism and extra body strengthening.
The M240i Convertible also comes with the same standard equipment as the Coupe version, wearing 18-inch alloy wheels, wider grilles up front, sportier front and rear bumpers, grey wing mirror casings, M badges and sports suspension to reduce body lean in the corners.
The Convertible uses the same 3.0-litre turbocharged six-cylinder engine producing 340hp. Top speed is limited to 155mph and both manual and automatic transmissions are available. Generally speaking, the convertible’s 0-62mph times are 0.1 seconds slower than the coupe equivalent for both transmission choices.
The manual can sprint from 0-62mph in 4.9 seconds while averaging 34mpg. However, the smooth eight-speed automatic is both quicker and more economical taking 4.7 seconds to reach 62mph and yet can return 38mpg.
Despite the extra body strengthening, the BMW M240i Convertible is not as agile as the Coupe model. With the absence of the hardtop roof, the M240i is more susceptible to mid-corner bumps, which can upset the car’s stability. However, it’s worth noting that this is a common theme among convertibles, and the BMW’s rear-wheel-drive handling still entertains.
The BMW M240i Convertible still provides a rewarding drive with its muscular engine, responsive steering, grippy handling and a comfortable ride. Refinement is good in general although road noise from the large tyres can become intrusive on longer journeys.
The BMW’s closest rival, the Audi S3 Convertible has a comparably more stylish interior and all-weather usability thanks to its standard four-wheel drive. However, the BMW arguably provides a more entertaining driving experience with a more characterful soundtrack.
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