2011 BMW 135i swaps twin-turbo engine with single-turbo N55 unit
Even though it is hard at work developing an M-badged 1 Series model, BMW hasn’t neglected the current most powerful model in the lineup, the 135i, and has announced two big changes, which will arrive with the 2011 coupe.
First off, the 3.0-liter inline-six twin-turbo engine will be swapped out with a twin-scroll turbocharged unit of the same size and cylinder number, codenamed N55, which will still keep power levels at 300 HP and 300 lb-ft of torque, but also deliver a better throttle response as well as improved fuel efficiency, according to BMW.
Another big change is that the 2011 135i coupe will have the option of installing a 7-speed double-clutch transmission, which will add dedicated shift paddles behind the wheel, but also keep the original shift stick. Expect the improved 2011 BMW 135i in showroom starting this spring.
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