The BMW 4 Series Convertible is the the Bavarians’ only world premiere at the 2013 LA Auto Show. The new F33 4 Series Cabrio is replacing the E93 3 Series Convertible and for the first time it will sell under a new nomenclature.

The new BMW 4 Series Convertible is visibly larger in width, track and wheelbase than the outgoing BMW 3 Series Convertible. The sporting two-door will feature a folding hardtop and will be offered in 428i and 435i variants. The new BMW 435i Convertible sports the same N55 engine as the 435i Coupe, 306 horsepower coming from a six-cylinder.

BMW 4 Series Cabriolet - Shawn Molnar _ BMWBLOG-01

The 435i Convertible runs from 0-60-mph in 5.5 seconds.

The 428i Convertible is equipped with a 2.0-liter turbocharged inline four-cylinder engine, which pumps out 240 horsepower and 255 pound-feet of torque – good for sprinting from 0-60 mph in 6.2 seconds.

BMW says that a manual transmission will not be offered on 4 Series Convertibles in the US market. Both models use an eight-speed automatic transmission.

The 4 Series Convertible will be offered in Sport Line, Luxury Line and M Sport trims. Pricing starts at $48,750 for the 428i Convertible and $54,900 for the 435i.

[Photos: Shawn Molnar]