BMW M550i

BMW M Lites: Which is the Best BMW M Performance Car?

VIDEO: ALPINA B5 vs BMW M550i -- Piston Heads

VIDEO: ALPINA B5 vs BMW M550i — Piston Heads

When it comes to fast, high-performance sedans that can also be driven daily, it’s hard to beat this current generation of BMW M5. However, the M5 can be a bit too hard-edged for a lot…