Video: Alpina B4 Gran Coupe adds spice to the 4 Series

Alpina has a long tradition of taking BMWs and adding pace for those who don't want to go the full M-car hog. Its latest offering is the B4 Gran Coupe, an upgraded, faster and more luxurious 4 Series Gran Coupe. Watch it make its debut at the 2022 Goodwood Festival of Speed presented by Mastercard.