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BMW N73B60 User Manual

BMW N73B60
23 pages
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Subject Page
N73B60 Engine
Objectives of the Module........................................................................2
Purpose of the System............................................................................3
Technical Data........................................................................................ 4
Disassembly - Components
Intake Manifold....................................................................................... 6
Cylinder Head Cover...............................................................................8
Ancillary Components and Drive Belts.................................................... 9
Cylinder Heads......................................................................................10
Valvetronic.............................................................................................11
Fuel Injectors.........................................................................................14
Lubrication Components.......................................................................15
Crankshaft and Bearings.......................................................................17
Pistons and Connecting Rods...............................................................17
Crankcase.............................................................................................19
Lubrication System................................................................................19
Cooling System.....................................................................................21
Table of Contents
N73B60 Engine - Workbook
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BMW N73B60 Specifications

General IconGeneral
Engine TypeV12
Fuel TypePetrol
Number of Cylinders12
Cylinder ArrangementV
Compression Ratio10.0:1
Fuel SystemMulti-Point Fuel Injection
Cooling SystemWater-cooled
ValvetrainDOHC
Displacement5972 cc
Maximum Power327 kW
Engine ManagementBosch Motronic ME 9.2

Summary

N73B60 Engine Overview

Technical Data

Comparison of technical specifications between N73B60 and M73B54 engines.

Intake Manifold

Intake Manifold Removal Procedure

Step-by-step instructions for removing the intake manifold assembly.

Cylinder Head Cover (right) - Removal

Ancillary Components and Drive Belts - Removal

Cylinder Heads

Cylinder Head Preparation and Valvetronic System

Valvetronic System Details

Explanation of the Valvetronic system's function and components.

Fuel Injectors

Fuel Injector Removal Procedure

Step-by-step procedure for removing fuel injectors using specific tools.

Engine Block and Lubrication System Data

Oil Pump and Pressure Control

Oil Pump Description

Description of the two-stage gear oil pump and its drive mechanism.

Crankshaft and Piston Details

Crankcase and Lubrication System Data

Lubrication System Oil Circuit

Cooling System Overview

Coolant Circuit Details

Water Pump/Thermostat Housing

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