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BMW N62 Series User Manual

BMW N62 Series
145 pages
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BMW
Service Training
New Generation N62 Engine
Course Contents/Background Material
Information status:
April 2001

Table of Contents

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BMW N62 Series Specifications

General IconGeneral
ConfigurationV8
Fuel typePetrol
ValvetrainDOHC 4 valves per cylinder
Torque Output340–490 N⋅m (4.4L), 475-490 Nm (4.8L)
Compression Ratio10.0:1 (4.4L), 10.5:1 (4.8L)
Engine Block MaterialAluminum
Cylinder Head MaterialAluminum
Cooling systemWater-cooled
Redline6, 500 rpm

Summary

N62 Engine

General Information

Overview of the N62 engine's development goals and key features.

Technical Data

Detailed technical specifications for N62B36 and N62B44 engines.

Full Load Graphs

Graphical representation of output and torque curves for N62 engines.

Views of the N62 Engine

Visual identification of components on the N62 engine.

N62 Supplement to Existing Documents

Crankcase Venting System

Details on the N62 crankcase venting system, referencing other manuals.

Alternator

Information on the N62 alternator, referencing other manuals.

Characteristic Mapping Thermostat

Details on the N62 thermostat, referencing other manuals.

Engine Management

Information on N62 engine management, referencing other manuals.

VANOS

Information on N62 VANOS, referencing other manuals.

Valvetronic System

Details on the N62 Valvetronic system, referencing other manuals.

N62 Engine Mechanics

Fresh Air System

Description of the fresh air intake system and its components.

Exhaust System

Details on the N62 engine's exhaust system structure and components.

Ancillary Components and Belt Drive

Overview of engine ancillary components and the belt drive system.

Cylinder Heads

General information about the N62 cylinder heads, their material, and construction.

Valve Gear

Explanation of the N62 engine's valve gear components, including cylinder heads and timing chain guides.

Valvetronic

General information on the N62 Valvetronic system, its benefits, and function.

Bi-VANOS (Variable Camshaft Adjustment)

Explanation of the N62's variable camshaft adjustment system and VANOS units.

Cooling System

Overview of the N62 engine's coolant circuit and its components.

Water Pump

Description and function of the N62 engine's water pump and its integrated thermostat.

Lubrication System

Overview of the N62 engine's lubrication system and oil circuit.

Oil Pump

Description of the N62 engine's two-level gear oil pump and its function.

Technical Data

Technical data for oil capacity, oil pressure, and oil delivery rate for the N62 engine.

N62 Engine Management System ME 9.2

Introduction

Introduction to the ME 9.2 engine management system for the N62 engine.

ME 9.2 Overview

Block diagram overview of the ME 9.2 engine management system, section 1.

Components

List of all components within the ME 9.2 engine controls for the N62 engine.

Functional Description

General functional description of the ME 9.2 system, including diagnostics and cruise control.

Oxygen Sensor Regulation

Explanation of the N62 engine's four oxygen sensors and their regulation function.

Oil Condition Sensor (OEZS)

Description of the N62 oil condition sensor, its function, and location.

Valvetronic

General information on the N62 Valvetronic system, its benefits, and function.

N62 Fuel System

General Information

Overview of N62 fuel system components modified from the E38M62.

Injection Valves

Description of the N62 injection valves, their positioning, and spray atomization.

Fuel Pressure Regulator

Details on the N62 fuel pressure regulator integrated into the fuel filter.

Electric Fuel Pump (EKP)

Description of the N62's two-part in-tank electric fuel pump.

EKP Regulation

Explanation of the N62 EKP regulation and its benefits for system performance.

E65 Fuel Systems

General Information

Overview diagram of the E65/US design fuel system.

Filling the Tank

Requirements and measures for filling the N62 fuel tank to prevent vapour escape and foaming.

Tank Ventilation

Description of the N62 tank ventilation system and its components for smooth operation.

Fuel Supply System

Structure and operation of the N62 internal tank fuel circuit.

Fuel Tank Leak Diagnostic Module

Function and procedure of the fuel tank leak diagnostic module for detecting leaks.

Diagnostic Procedure

Three-stage diagnostic procedure for fuel tank leak detection.

Glossary

Abbreviations

List of abbreviations used in the N62 engine manual with their explanations.

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