Mod Guides | E46 | M3 | M54
BMW E30 325i Engine Swap Guide
Anyone that owns a BMW E30 325i knows that the factory M20B25 2.5L engine leaves a lot to be desired in the horsepower department. While the factory 6-cylinder is certainly enough to get a 2600 lb 325i going under its own weight, you won’t be winning any drag races. Other than adding forced induction to…