The strong arm from BMW, Alpina has unveiled the details with its newest editions B3 and B4, both models being previewed ahead the 2017 Geneva Motor Show with the S trim.

They looks exquisite and sensational with the new package, with standout bits that separate them from the rest of Alpina`s standard models.

Besides the new styling add-ons, both the B3 and B4 S also come with improved mechanics, meaning new cooling system, retuned suspension, remapped transmission software and turbochargers.

As for the performance under the hood, they fight back against BMW`s 3- and 4-Series with the B3 BIturbo Sedan and B4 Bitrub Coupe and Convertible, all coming with extraordinary performance.

The B3 Biturbo S packs a 3.0-liter straight-six turbocharged mill with now 440 horsepower and 660 Nm of torque. On the other side, the B4 comes with the same power but with an improved acceleration from 0 to 100 km/h. This means just 4.2 seconds with the rear-wheel drive system and 3.9 seconds with the all-wheel drive layout.

The B4 S Coupe with the rear-wheel costs $79,215, while the all-wheel drive system is set at $82,300. On the other hand, the B4 S Convertible is available at $85,630. As for the B3 S, BMW`s Alpina has not revealed the pricing details, but we should be able to find out more details in the upcoming period.

Stay tuned for a full insight on the models at the 2017 Geneva Motor Show which is getting ready to receive its newest guests in a couple of days from now.