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2005
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Z4 2.5 3, Automatic
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Engine Management - Overview
Engine Management - Overview
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MS45 - E85 with M54 Engine
Ms45
Notes
Purpose Of The System
System Components
Power Supply
Notes
Principle Of Operation
Workshop Hints
Power Supply - Testing
Tools And Equipment
Power Supply
Air Management
Notes
Principle Of Operation
Workshop Hints
Air Management
Crankcase Ventilation System
Throttle Position Sensors - Testing
Idle Air Actuator Valve - Testing
Air Temperature Signal - Testing
Hot-Film Air Mass Sensor
Tools And Equipment
Fuel Management
Notes
Camshaft Sensors - Intake And Exhaust Camshaft
Principle Of Operation
Workshop Hints
Notes
Fuel
Fuel Supply
Crankshaft Position/RPM Sensor
Engine Coolant Temperature
Tools And Equipment
Ignition Management
Notes
Principle Of Operation
Notes
MS45 Emission Optimized - Ignition Key Off
Workshop Hints
Notes
Ignition System Diagnosis
Spark Plugs
Knock Sensors
Tools And Equipment
Emissions Management
Notes
Evaporative Emissions:
Notes
On-Board Refueling Vapor Recovery (ORVR - DM TL Equipped Vehicles):
Carbon Canister:
Evaporative Emission Valve:
Evaporative Leakage Detection (DM TL):
Exhaust Emissions:
Notes
Bosch LSH 25 Oxygen Sensors:
Direct Oxygen Sensor Heating:
Catalytic Converter Monitoring:
Secondary Air Injection:
Misfire Detection:
Principle Of Operation
Notes
PHASE 1 - Reference Measurement
PHASE 2 - Leak Detection
Test Results
Electrically Heated Thermostat
ECM Control
Workshop Hints
Notes
Misfire Detection
Check Filler Cap
Tools and Equipment
Performance Controls
Notes
Dynamic Driving Control (If Equipped)
Notes
Cruise Control
Electric Fan
ECM Integrated Temperature Sensor
Notes
Alternator Interface
EWS III (3.3)
PT CAN Bus Communication
Dual VANOS Control
ECM Programming - FLASH Control Modules
Tools And Equipment
VANOS
Review Questions