The F10 Alpina B5 has been undergoing testing near Alpina's headquarters. The F10 B5 is expected to be based on the F10 550i, with a reworked 4.4L N63 motor (V8 twin turbo). The new B5 features the current signature front bumper lip, sideskirts, wheels, quad exhaust, and raised trunk lid. ... CONTINUED
14 years ago