We're happy to share the first spyshots of the F33 4 Series Convertible with its top down and in operation. Earlier spyshots suggested that the 4 Series Convertible will retain its folding hard top mechanism, first introduced on the predecessor E93 3 Series Convertible. These spy photos officially confirm this. As far as we can tell, the hard top operation and design is largely similar to the E93's so we wouldn't be surprised if this was a takeover from the current car.
That's where the similarities end in these photos, as the F33 sports unique seat (look at the front ones) which remind us of the F12/3 6-series seats, and which could signal an upmarket position from the F30 3 series sedan. The exterior is still heavily camouflaged (no, the round rear lights aren't there to stay but just part of the camouflage as they allow BMW to hide the real rear lights design while meeting legal requirements for street safety), so it's still difficult to make out the final design. However, we expect the F33 (and F32 coupe) to be loosely based on the current F30 3-series sedan yet showing a more sportier, sleeker, and somewhat unique design.
The U.S. lineup will most likely include the N20 2.0-liter turbo inline four and the N55 3.0-liter turbo inline six currently used for the F30 3-series sedan. Perhaps both engines get a small power bump to reflect the upmarket approach of the F33 4 Series convertible. Expect the F33 to be available in Spring 2014. Yes, that's plenty of time left so stay tuned for more spyshots and information on the 4-series convertible.
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Also see our future BMW models rough timeline - http://www.bimmerpost.com/future-bmw
Previous spy photos of the F33 convertible: