Spy Video: New BMW 4-Series Convertible Filmed at the Green Hell

We have just filmed the replacement of the BMW 3-Series Convertible while the brand's engineers were driving a camouflaged prototype on the Nürburgring track.

BMW is rumored to replace the 3-Series badge with the 4-series moniker for the two-door coupe and convertible variants of its newly revealed 3-series sedan, in much the same way that it does with the larger 5-Series (sedan, Touring and GT) and 6-Series (Coupe and Convertible) models.

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