The new and upcoming 2021 BMW M4 Convertible has reportedly been leaked in certain patent filings. This was ahead of its said expected unveiling to come within a couple of months.

BMW patent reveals hi-po drop-top

According to an article by CarAdvice, the Patent images that were filed with the official European Union Intellectual Property Office reveal the new BMW's hi-po drop-top is now set to combine the previous standard 4 Series Convertible's popular softened shape along with the controversial front end as well as the new and more aggressive style elements shown in the very latest M4 coupe. The information was reportedly unearthed by a certain member of the online i4talk forum.

The BMW G83-generation convertible's structured nose is very identical to the new coupe that was unveiled back in September. This featured its standard slim LED or laser headlights, sculpted lower intakes, tall kidney grills, and also side air curtains. Changes have been compared with the known coupe are said to be a touch more pronounced at its rear, with the BMW convertible's own folding fabric soft-top forcing the whole integration of a third brake light straight into the car's rear bootlid.

BMW M4 convertible and BMW M3 sedan

The repositioned central brake light is said to likely account for the BMW M4 Convertible's own emissions. This is according to the shown patent images. The known M3 sedan as well as the M4 coupe's aggressively designed rear diffuser as well as the quad tailpipe setup will also be featured on the new convertible.

While the drop-top's cabin isn't seen, the article says to expect a particularly identical interior towards that of its own fixed-roof, two- as well as four-door siblings. This will be with large infotainment as well as instrument cluster displays which will be a plethora of new M4 badges and also the option of new carbon-fibre bucket seats.

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353kW/550Nm and 375kW/650Nm base

The same 3.0-liter twin-turbocharge 'S58' inline-six will most likely be powering this BMW M4 Convertible. It will also be reportedly available in both the 353kW/550Nm base as well as the 375kW/650Nm competition states of this tune.

The drive is said to be fed through a particular standard-fit six-speed manual in its base variants. There will also be an option of an eight-speed automatic in the flagship Competition models. The Rear-wheel-drive is said to be standard on both the M3 sedan as well as the M4 Coupe upon launch. All of this with a particular xDrive all-wheel-drive system in order to become available for certain Competition variants come late 2021.

Insider sources suggest more information

However, according to some insider sources by bimmerpost, information points towards a particular sole powertrain to be offered along with the soft-top M4. This will reportedly be the range-topping for its all-paw Competitive xDrive configuration. Despite the roof, this would allow the known M4 Convertible to be able to extract its performance in any given weather conditions. 

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Written by Urian Buenconsejo

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