Description Alpina E31 B12 5.7 BMW’s 90s Halo car, the 8 series was from the outset aimed at the most demanding clientele. It’s gorgeously understated styling and extensive luxury options mean the 8 series makes a fantastic Grand Tourer. BMW never made an M car out of the 8 Series and as a result Alpina, famed BMW Tuner jumped into the niche and produced the B12, an uprated and hardcore version of the 8 series Gran tourer.