Fuel system: Introduction

> N73

The fuel system (N62 engine) has been slightly modified for the E65 with N73 engine to adapt it to the new direct injection system.

> 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 fuel system:

• Leakage and ventilation lines made of polyamide (previously rubber hoses)
• All connections on the low-pressure system with quick-release couplings.