BMW N55B30 3.0 Engine

The BMW N55B30 is a highly regarded turbocharged 3.0-liter inline-six engine. Introduced as the successor to the N54, it was the first BMW engine to combine twin-scroll turbo technology , High Precision Injection (direct injection) , and VALVETRONIC (variable valve lift) . Known for its strong, smooth power delivery across the rev range and improved efficiency over its predecessor, the N55 powered many popular BMW models, offering an excellent balance of performance and daily drivability.