Fresh Air System: Introduction
> E73
The fresh air system of the N62 engine has been adapted for the N73 engine.
> N73TU with introduction 09/2006
The N73TU satisfies the legal emissions limits, e.g. Euro 4 standard for Europe or LEV II for the USA (LEV: Low Emission Vehicle).
Measures on the fresh air system:
- modified fleece inserts in intake noise damper