BMW 528e 535i 1985 - 1986 Electrical Troubleshooting Manual

This comprehensive Electrical Troubleshooting Manual provides detailed guidance for diagnosing and repairing electrical faults in 1985 - 1986 BMW 528e and 535i models.

Key Features and Benefits:

Step-by-step troubleshooting procedures guide you through the diagnostic process, identifying potential causes and solutions.
Detailed electrical schematics and diagrams visually represent the electrical systems, aiding in component identification and circuit tracing.
Important specifications and measurements ensure accurate and efficient repairs.
Tailored specifically for the 1985 BMW 528e and 535i, catering to their unique electrical system configurations.
Empowers users to perform electrical repairs themselves, saving time and money while gaining a deeper understanding of their vehicle.
Technical Specifications and Details:

Electrical System:

12-volt negative ground system
Battery capacity: 60 Ah
Alternator output: 90 amps

Major Electrical Components:

Engine control module (ECM)
Ignition coil
Starter motor
Voltage regulator
Headlight switch
Turn signal switch
Wiper switch
Maintenance and Repair Information:

Battery Replacement:

Recommended battery: BMW-approved 12-volt battery with 60 Ah capacity
Battery location: Under the hood, on the passenger side

Fuse and Relay Replacement:

Fuse and relay panel locations:
Under the hood, next to the battery
Inside the cabin, under the dashboard
Fuse and relay identification: Refer to the electrical troubleshooting manual for specific locations and ratings
Electrical Troubleshooting:

Use a multimeter to measure voltage, current, and resistance
Inspect wiring harness for damage or loose connections
Consult the electrical troubleshooting manual for circuit testing procedures

Common Electrical Problems and Solutions:

Battery Drain:

Symptoms: Difficulty starting the vehicle, dim headlights
Solution: Check for parasitic drains using a multimeter, inspect battery terminals for corrosion
Electrical Shorts:

Symptoms: Blown fuses, intermittent electrical failures
Solution: Inspect wiring harness for damage, repair or replace damaged wires

Ground Faults:

Symptoms: Electrical components not functioning properly
Solution: Check ground connections for tightness and corrosion, clean or repair as needed
This comprehensive BMW 528e 535i 1985 Electrical Troubleshooting Manual is an indispensable resource for owners and technicians alike. Its detailed troubleshooting procedures, electrical schematics, and technical specifications empower you to diagnose and repair electrical faults with confidence and precision.

CONTENTS
How to use this manual
Symbols
Systematic Troubleshooting
528e Schematic Diagrams
535i Schematic Diagrams
Component Locations
Connector Views

Language: English
Format: PDF


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