2021 BMW M4 Convertible revealed in patent images

The upcoming 2021 BMW M4 Convertible has leaked in patent filings, ahead of its expected unveiling in the coming months. Patent images filed with the European Union Intellectual Property Office – and unearthed by members of the i4talk forum – reveal BMW's hi-po drop-top is set to combine the standard 4 Series Convertible’s softened shape with the controversial front end and aggressive styling elements of the latest M4 coupe.