Starting and battery charging system, cooling system fan... (BMW 3 Series E46)

Starting and charging system of the battery, cooling system fan, starter immobilizer switch, data transmission system connectors.


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Wire colors

• Bl — Blue
• Br — Brown
• Ge — Yellow
• Gr — Gray
• Gn — Green
• Vi — Violet
• Ws — White
• Or — Orange
• Rt — Red
• Sw — Black

Designations on the diagram

• 1 Battery
• 2 Ignition switch
• 3 Starter
• 4 Generator
• 5 engine control unit
• 6 Instrument panel control unit
• 7 Transmission diagnostic connector
• 8 Data transfer connector
• 9 Cooling system fan
• 10 Cooling system fan temperature sensor
• 11 Starter immobilizer switch