The all-new Alpina B4 Gran Coupe has been disclosed only weeks after the Buchloe-based tuning brand was obtained by BMW, and is accordingly formally named the BMW Alpina B4. The Alpina B4 depends on the BMW 4 Series Gran Coupe, and fills the hole between the BMW 4 Series and the BMW M4 Competition. The second-gen B4 even gains a couple of back entryways interestingly.
Similarly as with the company’s interpretation of the BMW 3 Series, the Alpina B3, the new B4 utilizes a tuned adaptation of the ‘S58’ twin-turbocharged 3.0-liter straight-six petroleum motor, sending 495hp and 730Nm through an eight-speed programmed gearbox to the two axles – somewhat less power and 80Nm more force than the 510hp M4 Competition.
Notwithstanding the power shortage and weighing 240kg more than the two-entryway M4 Competition, the B4 is really 0.1 second speedier than the more no-nonsense vehicle from 0-100kph – requiring simply 3.7 seconds for the run – and it pips it for maximum velocity, as well, finishing out at 300kph.
Changes to the motor incorporate custom tailored turbine lodgings to further develop support strain at low motor velocities, a bigger intercooler, a leveled up air channel framework and an enhanced cooling framework. The gearbox has been built up too to adapt to the considerably helped force yield and is designed to send the main part of the motor’s capacity to the back.
Like all Alpinas, the focal point of the B4 isn’t simply to work on driving elements, however the frame additionally gets upgrades to work on in general solace.
Alpina records updates including new bulkhead support swaggers, stiffer bushings and mounts, custom front enemy of roll bars and a special spring-and-damper setup among the equipment changes that give the B4 a particular person. It likewise gets variable dampers and three unique modes for controlling reaction.
The brakes have been updated as well, with four-cylinder calipers grasping 395mm plates at the front and drifting calipers matched with 345mm circles at the back. Bored, lightweight composite circles are alternatively accessible.
As is standard for an Alpina, the styling contrasts over the standard 4 Series are significantly more unpretentious than those of the M4. Novel guards, spoilers, exhaust exits, side skirts and badging are the conspicuous tells, in addition to there’s another translation of the brand’s trademark 20-talked composite wheel plan.
Alpina says another assembling cycle implies these 20-inch wheels weigh in at simply 12kg each and are enveloped by superior execution Pirelli P-Zero tires planned particularly for Alpina.