BMW drops the top with their 2021 4 Series Convertible

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The new 4 Series design language (aka the New Nose) is coming at us thick and fast with another variant sporting that controversial grill. This time it’s the BMW 4 Series Convertible (or cabrio depending on your mood or provenance) and BMW are making no apologies either.

BMW are releasing quite a few variants with the 4 Series Convertible starting with the BMW 420i Convertible and currently BMW Australia are offering the 420i Convertible, 430i Convertible, and range topping M440i xDrive Convertible. The top of the line M440i is the ultimate expression so let’s focus on that. 

It comes with a 6-cylinder 2,998 cc petrol engine with 48V mild hybrid technology, BMW xDrive, and an eight-speed Steptronic Sport transmission as standard. Power reaches 275 kW/374 hp at 5,500 – 6,500 rpm while max torque is 500 Nm (369 lb-ft) at 1,900 – 5,000 rpm propelling the M440i to 100kph from a standing start in 4.9 seconds and onto a top speed of 250 km/h.

Mighty fine then! But these cars aren’t really about big performance figures although it’s fun to know your M440i xDrive Convertible can go almost as fast as E46 M3 (but let’s get one thing straight, nowhere near as cool!). What the M440i offers instead is open top boulevard cruising, country, or seaside jaunts. There’s a new, 40 per cent lighter panel bow roof design which is said to retain the same rigidity as a retractable hardtop. The variable softtop compartment allows the luggage capacity to be increased from 300 litres (80 l more than predecessor) with the roof down to 385 litres (15 l more) when closed. Other practical features include a folding rear backrest and through-loading.

BMW has stretched the proportions of the convertible 4 Series to help it stand apart from the coupe and sedan yet have done their best to retain rigidity with reinforced side skirts, additional convertible-specific bracing, and a new aluminium shear panel in the front end. The end result is a car with 50:50 weight distribution so balance should be typical BMW.

Inside it’s also typical 4 Series with the usual driver assistance functions and as standard you’ll get three-zone automatic climate control, Park Distance Control with sensors at the front and rear, new, cloud-based navigation system BMW Map, and smartphone integration with Apple CarPlay and Android Auto.

Options include even stiffer M Sport suspension including variable sport steering, adaptive M suspension with electronically controlled dampers, M Sport brakes with a choice of blue or red brake callipers, M Sport differential with electronically controlled, fully variable locking effect in the rear differential. 

No prices for Australia have been announced at time of writing although UK models have been announced as starting from £45,785 and top out at £59,645 for the M440i xDrive Convertible.

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