The fourth-generation BMW M3 has long been considered one of the best M cars ever made. The primary reason for its popularity comes down to the rather special V8 engine under its hood. Rarity and historical significance are two prime factors in determining the value of a classic car, and thanks to this M3’s naturally aspirated 4.0-liter V8, it ticks both these boxes. That’s because it was the last naturally aspirated M car, and the only M3 to ever have a V8 engine.
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