BMW M3, M4 Engine Tone Teased in Video

BMW is working on the next generation of M3 and the newly minted M4 (essentially an M3 Coupe), and today the brand released a teaser video that lets us hear the new engine at work.

The motor heard in the video is a turbocharged straight six that is said to put out around 450 hp and 405 lb-ft of torque. That should make both of these cars capable of a 0-60 mph run in about 4 seconds.

In terms of looks, BMW has already shown off a 4 Series Coupe fitted with M Sport goodies (seen above), which will likely look pretty close to the production M4.

SEE ALSO: BMW M4 Info

Performance is also enhanced on these cars thanks to weight loss, an electronically controlled limited-slip rear differential, lower and stiffer suspension, wider wheels and tires, upgraded brakes, and improved aerodynamics.

Set for a debut at the 2014 Detroit Auto Show, it is also possible that a concept version of the M3/M4 could arrive later on this week in Pebble Beach.

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