And, though it's lost a pair of cylinders, this is the most
powerful M3 in history. Both cars pack a 3.0-litre straight six with a
pair of mono-scroll blowers, returning 431bhp with a 7,600rpm redline,
and a whopping 406lb ft. The old naturally aspirated V8 made 414bhp and
295lb ft. Even more impressive figures are the boring-but-practical
digits: consumption and emissions are down by 25 per cent, giving
32.0mpg and 204g/km. We're promised it'll sound good, too: there's a
flap in the exhaust pipe that varies the sound you hear depending on the
car's mode.
This power is fed through a standard-fit six-speed
manual gearbox with an auto throttle-blipping function, though you can
spec the seven-speed double clutch (DCT) transmission featuring
something BMW officially calls (and we're really, really not making this up)... the Smokey Burnout function. Yes folks, the new M3 and M4 are hooligans.
Both
M3 and M4 are, of course, staunchly rear-wheel-drive, and that extra
power moves less weight: both are roughly 80kg lighter than their
predecessors, with the M4 weighing in at 1500kg, and the M3 saloon just
23kg heavier. Both will do 0-62mph in 4.3 seconds (4.1s with the DCT
‘box) and run on to a limited 155mph.
There's nothing limited
about the sideways, though. BMW itself says the M Dynamic Mode "allows
greater wheel slip and therefore easy drifting", which is the sort of
technical insight of which we very much approve.
There's also some serious aero going on: air curtains on the front
bumper and air breathers in the front arches that massage the air around
the front of the car, a smooth underbody, a Gurney flap on the M3's
bootlid, and a CSL-style CFRP rear-end on the M4 (oh, and speaking of
CFRP, both models get a roof made of the stuff, saving up to 6kg). There
are carbon ceramic brakes, too.
Inside, you get standard bucket-style M Sport leather seats that look
fantastic, an illuminated ‘M' logo on the backrests, a decent-sized
boot and a BMW M lap timer.
Prices for the saloon start at
£56,175, while the M4 Coupe starts at £56,653 (and, most will be glad to
hear, comes in colours other than gold). Sad to see the naturally
aspirated V8 go, or will you take more power, less weight and a
twin-turbo straight six?
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