IS M POWER STILL RELEVANT?.. 700HP 540i vs 700HP M5 Drag & Track by turboandstance - February 3, 2024February 3, 2024 What’s going on guys today Jamie is back with a true underdog cheatcode special and lining up two Savage modified BMW 5 series. However one is a tuned range topping M5 and the other is a tuned unsuspecting and overlooked lesser celebrated 540i sibling. For science sake they have come to find out if a tuned BMW 540i is really capable of holding it’s own against a tuned full fat BMW M5 and to see when bang for buck is calculated which of the two is the better option. They run near on identical power levels but trust me there’s a lot more at play here! Leave a comment