The 2000 BMW M3, known to the enthusiasts as the E46, is not only considered to be the best incarnation of the model but one of the best sports cars ever. Its styling is as iconic and timeless as its engine. What engine will you find under its hood?

To some enthusiasts, M3's S54 straight-six is the pinnacle of engineering. Naturally balanced as all inline-sixes and naturally aspirated, it delivers its 338 horsepower with unparalleled smoothness.

Asked by Vasilii Kulev · Last updated 5 years ago · 43.8K views · SOURCE