2021 BMW 4 Series Convertible arrives with 275kW range-topper

Drop-top gets the same bold new look as the coupe and switches from retractable hardtop to fabric roof

The new BMW 4 Series Convertible features a switch to a folding soft-top and has gained a new 275kW four wheel-drive range-topper.

The drop-top four-seater is the latest addition to the second-generation 4 Series range, following the launch of the Coupe and hot M4 variant, and shares the same controversial front-end styling that features an enlarged kidney grille. First deliveries are due in March next year.

Whereas the previous convertible 4 Series used a folding hard-top, the new version features a cloth roof. It’s the first compact executive BMW convertible to do so since the E46-generation 3 Series Convertible ended production in 2006.

That brings it in line with the latest 2 Series and 8 Series convertibles and matches the rival Audi A5 and Mercedes-Benz C-Class cabriolets. The 4 Series Convertible’s soft-top uses panel bow elements and a glass rear window that, BMW claims, offer greater acoustic and thermal comfort than a standard soft top. The electrically powered roof takes 18 seconds to open or close and can be operated at vehicle speeds of up to 50km/h.

The roof is 40% lighter than the hard top used in the previous 4 Series Convertible and BMW has used extra bracing and panels to improve the body rigidity, which the firm says is 4% higher than on the previous version.

The launch line-up is headlined by the M440i xDrive, offered in convertible guise for the first time and featuring a 275kW mild-hybrid six-cylinder petrol engine and four-wheel drive. There are also two four-cylinder petrol engines, offering 135kW and 189kW, and a 139kW four-cylinder diesel. Two straight-six diesels will follow in November next year and all engines use an eight-speed automatic gearbox.

It’s believed BMW Australia will offer the 4 Series Convertible in M Sport specification as standard. This features M Sport suspension, 18-inch alloy wheels, front sport seats and a 10.25-inch infotainment touchscreen. M Sport Pro Edition, adding 19-inch alloys, a new Sprint mode and adaptive suspension, will be available as an option.

James Attwood

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