At the Detroit Auto Show 2010, BMW brought out an existing upgraded model, destined for the enthusiasts in the BMW community. The 2010 BMW 135i Coupe makes a transition from the several times award winning N54 six-cylinder twin-turbo engine to the newer, more efficient and equally powerful, N55.

The N55 powerplant uses the the innovation of twin-scroll technology and the integration of VALVETRONIC throttle-less intake technology.

This new engine promises even better throttle response and even more fuel efficiency. Thanks to VALVETRONIC, VANOS, and the twin-scroll turbocharger housing, peak torque is reached 100rpm earlier than with the previous engine, and engine boost response is improved across the entire engine speed range.

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N55 develops maximum output of 300 hp at 5,800 rpm, with peak torque of 300 lb-ft available all the way from 1,200–5,000 rpm. The exciting part comes with the 7-speed Double-Clutch Transmission (DCT), the first time an option for the 1 Series Coupe and Convertible.

As we mentioned last week, the old school M3 shifting paddles make a comeback. The shift paddles now feature dedicated paddles for upshifting and down shifting. The driver now pulls the right paddle for upshifts and the left for down shifts.

A more detailed article on the N55 will follow in the next days. Enjoy our amazing photo gallery!

Photos credit Shawn Molnar