The Alpina company unveiled at the Tokyo Motor Show 2013 modified variants BMW 4 Series coupe Series-(F32), called B4 Bi-Turbo. Model joined the already shown earlier sedan and wagon based on the new “three”. Under the hood Alpina Bi-Turbo B4 located 3.0-liter “six” twin-turbo power of 410 “horses” (600 Nm). This model could be considered as an alternative to the BMW M4 Coupe (F82), since gaining a hundred places in just 4.2 seconds and a top speed of 305 km/h. The engine is mounted in a pair of 8-range gun, wherein Alpina offers Turbo-B4 Bi with both a rear and four-wheel drive. Car Price (excluding taxes) starts at 57,647 euros, and the version with all-wheel drive will cost at least € 60,084.