The 2015 BMW M3/4 debuts at Detroit with a host of "adding lightness" and a healthy step up in power from the outgoing M3.
The high-winding 4L V8 is replaced by a direct-injected turbo 3L straight six with 425 hp and 406 lb-ft of torque, while dropping 20 pounds off the motor's weight. The six speed is a carry over, but now gains auto rev-matching for those panty-dropping rev-matched downshifts. The alternative is a seven speed "M-DCT" dual clutch transmission. 0 to 60 is in a scant 4.1 seconds for the manual, and 3.9 seconds for the M-DCT…
The rest of the M3/4 is standard M-goodness. A proper limited slip differential, optional carbon brakes, a slightly more driver-oriented interior, and of course that M-badge. Carbon fiber panels through out, including a carbon fiber/plastic composite driveshaft, aid the M3/4 of an over all weight drop of about 175 pounds off the outgoing M3. Overall fuel consumption and emissions are said to be down by 25%.
All this is good news: with an ATS-V around the corner, BMW drops the gauntlet with this update.
from The Truth About Cars http://ift.tt/Jh8LjA
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