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Alpina B4 coupe will be your subtle M4

We're big fans of Alpina here at Autoblog - the BMW tuner has created some seriously delicious products in the past, and recently tuned the diesel-powered 3 Series wagon to create the D3 Bi-Turbo. What we like most about Alpina is how the cars only look subtly more aggressive than stock, yet they pack a real wallop under the hood.
Take this B4 Coupe, recently spotted testing at the Nürburgring. It looks pretty tame compared to the normal 435i, the only visual additions being the Alpina-standard 21-spoke wheels, modified front lip and rear wing spoiler. But under the hood, Alpina is reportedly working on a tuned, twin-turbo straight-six that produces something like 410 horsepower. That means the B4 should be good for a 0-62 time of 4.2 seconds, with a top speed around 190 mph. Rear-wheel drive will be standard, though our spies suggest that Alpina could also use all-wheel drive here in the B4.
We have no doubt that the next BMW M4 will be super hot, but for those seeking a bit more stealth and exclusivity, this Alpina B4 certainly looks the business. Check it out in our gallery above.

BMW X4 slantback is nearly here

Another day, another new BMW spied. Sometimes it feels like Bimmer is developing so many new models that in the future, every buyer will get their own unique car. The latest one spied is the upcoming BMW X4 that was launched as a concept nearly a year ago. The Bavarians still see a need to camouflage the rear end of its prototypes, though.
As you can see, the production version is hewing very closely to the concept. If you peer around the camo, the headlights have the same shape, but the foglights are a new addition. The rear roofline seems quite similar to concept, too, but the back end is still somewhat more mysterious because the masking and dirt hide a lot. Still, it doesn't seem like the production model is going to be radically different from the concept based on the previous test cars we spied in the past. It also strikes us as very similar in size and form to the already available 3 Series Gran Turismo, with which it is expected to share a great deal.
Our wait might not be very long to see the midsize German CUV undisguised, because the X4's debut is rumored for the New York Auto Show on April 16 with a reveal as early as March 14.

BMW Concept 4 Series Coupe proves that 3-2=4

BMW may be calling this 4 Series Coupe a concept, but take a long, hard look - this will be the car that replaces the 3 Series Coupe in the automaker's lineup. Don't let that number change trip you up. This car will have all the basic elements of what makes a 3 Series coupe so popular, and while this isn't technically the production model (there are still come conceptual elements and we don't have powertrain details), it's pretty much what we can look forward to seeing out on the road very soon. And honestly, the naming strategy isn't that weird (though it's still plenty odd) - BMW will be using even numbers for all its coupes and convertibles moving forward. 1 Series, meet 2 Series. And when a 3 Series loses two doors, it becomes a 4 Series.
Dimensionally, the new 4 Series coupe is 1.7-inches wider, half an inch shorter in overall height, and rides on a 2.0-inch longer wheelbase. It's a really pretty thing, with bold, aggressive body sculpting up front, and a rear deck that's sort of like a downsized version of the larger 6 Series two-door. It's all very handsome, but we'll reserve final judgment until we see the production version with its likely smaller wheels and possibly toned-down visuals.
We don't yet have powertrain details, but we fully expect the 2.0-liter turbocharged four-cylinder and 3.0-liter turbo-six to carry over in 328i 428i and 435i guise. Though remember, other 3.0-liter models in BMW's range use 40i designation, so we could possibly be looking at a 440i Coupe, instead. We won't know until the production car officially bows later this year.