The legendary BMW E39 M5 just got an upgrade — and it sounds absolutely insane! In this video, we install the Evolve Billet Plenum on a supercharged E39 M5, unlocking more airflow, a deeper induction ...

Basically, the academic dark art of challenging a long held ... Possibly – perish the thought – the E39 generation BMW M5 isn’t the greatest super saloon of all time. Never meet your heroes ...