The new 7-series isn’t even fresh off the showroom floor and German tuners, Alpina have already gotten their hands in the mix. This car is BMW’s big dog created to rival the Mercedes S-class. So while the AMG guys have already churned out a S63 AMG, there is not yet an M-version of the 7-series. Technically there is no need for one. The engine line up starts at a mere 322bhp from a twin-turbo inline six cylinder motor to the 537bhp V12. Sitting the middle is the 4.4-litre V8 also equipped with two turbochargers. This is gets the attention of Alpina as they expect it to be the best seller of the range. Other than value they also point out the mid-spec engine gives the 7-series a 50/50 weight distribution and is 150kgs lighter than the V12 model.

In stock trim the new 7-series is more comfort inclined with tons of convenience gadgets. Purchase it in Li trim and you’re looking at an executive limousine, but BMW didn’t develop the ultimate driving machine tagline for no reason and that’s where Alpina has stepped in to take advantage of the untapped potential found behind the steering wheel instead of the back seats. Sold as a complete car or converted to an existing vehicle for a cool $160,000 you can get their latest masterpiece the Alpina B7 Biturbo.

The big sedan first gets the engine touched up. It’s not as simple as turning up the boost. The engine has been modified to deal with the power increase and is paired with more efficient turbochargers. With the ECU reprogrammed the 2040kg car can now hit 60mph in 4.9 seconds as the original power figures of 402bhp and 443lb/ft of torque increase to 500bhp and 516lb/ft. Top speed moves to the derestricted 174mph. The velocity increases on a car this large means that other areas must be addressed and most are clear just looking at the B7. Alpina didn’t become a top level BMW tuner by just sticking stuff on a car and hoping it works. The subtle body kit on the B7 isn’t just there for visual appeal but is aerodynamically functional. The front lip, with emblazed Alpina logo, works in conjunction with the matching rear spoiler to help high speed stability. Even then the whole package still only has a co-efficient of drag of only .31, good for a moving boardroom.

Electronic tuning isn’t just limited to the engine. The multiple modes available to the driver also get tweaked to take advantage of the grip levels from the massive 21-inch wheels and tyre package. You can still choose comfort mode, but click in into the other modes, Sport and Sport + and everything transforms into the performance car lurking underneath. Bigger brakes are a must with 374mm rotors in front and 370mm in rear for the best in balance and stopping power. Of course no Alpina is complete without their signature interior. Buyers get a sportier three spoke steering wheel with all the functionality of the factory unit. The gauges have been done over in the company colours as well as a leather and wood retrim.