The Alpina B7 is based on the short-wheelbase 750i and is a 500 horsepower monster. With 516 foot pounds of torque whipped up by it’s centrifugal supercharger, this B7 creates some serious thrust. This Alpina B7 was brought in as part of SweetCars’ inventory of vehicles and was readily sold upon its arrival. The vehicle was detailed at the SweetCars Detailing Studio prior to delivery, and underwent an engine detail, interior detail and one-step correction. The B7 is an impressive driving machine that is sure to bring many wonderful driving miles to its new owner. Here’s a peek at the detail process for this Alpina B7.