Wiring Diagram Cluster

1987 BMW 325es Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

325es (E30) L6-2693cc 2.7L SOHC (M20)

Total Vehicle Diagrams

1009

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Vehicle Repair Hub

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Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

B1318: Battery Voltage Low β†’

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Lighting and Horns > System Diagram > Lighting > Trunk LightsGeneralOpen2.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen3.Electrical Diagrams > HornsLighting and HornsOpen4.Electrical Diagrams > Lighting > Trunk LightsLighting and HornsOpen5.Horn β€” Diagnostic Aids > Troubleshooting ProceduresLighting and HornsOpen6.Horn β€” Diagnostic Aids > Troubleshooting Tests > Continuity TestLighting and HornsOpen7.Horn β€” Diagnostic Aids > Troubleshooting Tests > Current Test Using AmmeterLighting and HornsOpen8.Horn β€” Diagnostic Aids > Troubleshooting Tests > Short Test Using OhmmeterLighting and HornsOpen9.Horn β€” Diagnostic Aids > Troubleshooting Tests > Short Test Using VoltmeterLighting and HornsOpen10.Horn β€” Diagnostic Aids > Troubleshooting Tests > Voltage Drop TestLighting and HornsOpen11.Horn β€” Diagnostic Aids > Troubleshooting Tests > Voltage TestLighting and HornsOpen12.Horn β€” Diagnostic Aids > Troubleshooting ToolsLighting and HornsOpen13.Horn β€” Diagram Information and Instructions > Component ID (General List) > Part 1 ALighting and HornsOpen14.Horn β€” Diagram Information and Instructions > Component ID (General List) > Part 2 BLighting and HornsOpen15.Horn β€” Diagram Information and Instructions > Component ID (General List) > Part 3 C-GLighting and HornsOpen16.Horn β€” Diagram Information and Instructions > Component ID (General List) > Part 4 H-MLighting and HornsOpen17.Horn β€” Diagram Information and Instructions > Component ID (General List) > Part 5 N-ZLighting and HornsOpen18.Horn β€” Diagram Information and Instructions > Symbol Identification and Diagram InformationLighting and HornsOpen19.Horn β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen20.Horn β€” Electrical DiagramsLighting and HornsOpen21.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting ProceduresBody and FrameOpen22.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Continuity TestBody and FrameOpen23.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Current Test Using AmmeterBody and FrameOpen24.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Short Test Using OhmmeterBody and FrameOpen25.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Short Test Using VoltmeterBody and FrameOpen26.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Voltage Drop TestBody and FrameOpen27.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting Tests > Voltage TestBody and FrameOpen28.Locks > Door Locks β€” Diagnostic Aids > Troubleshooting ToolsBody and FrameOpen29.Locks > Door Locks β€” Diagram Information and Instructions > Component ID (General List) > Part 1 ABody and FrameOpen30.Locks > Door Locks β€” Diagram Information and Instructions > Component ID (General List) > Part 2 BBody and FrameOpen31.Locks > Door Locks β€” Diagram Information and Instructions > Component ID (General List) > Part 3 C-GBody and FrameOpen32.Locks > Door Locks β€” Diagram Information and Instructions > Component ID (General List) > Part 4 H-MBody and FrameOpen33.Locks > Door Locks β€” Diagram Information and Instructions > Component ID (General List) > Part 5 N-ZBody and FrameOpen34.Locks > Door Locks β€” Diagram Information and Instructions > Symbol Identification and Diagram InformationBody and FrameOpen35.Locks > Door Locks β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen36.Locks > Door Locks β€” Electrical DiagramsBody and FrameOpen37.Components > Location Index > Back Up Lights/HornGeneralOpen38.Components > Location Index > Central Locking SystemGeneralOpen39.Components > Location Index > Interior LightsGeneralOpen40.Components > Location Index > Lights: Park/ Side Marker/Tail/Rear Marker/ License/TrunkGeneralOpen41.Connector Views > Connector Views/Pin Assignments > Interior Light Timer ... Sunroof MotorGeneralOpen42.Electrical Diagrams > Lighting and Horns > Backup Lamp > ConvertibleGeneralOpen43.Electrical Diagrams > Lighting and Horns > Backup Lamp > HardtopGeneralOpen44.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen45.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > ConvertibleGeneralOpen46.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > HardtopGeneralOpen47.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Part 1 of 2GeneralOpen48.Electrical Diagrams > Lighting and Horns > Fog/Driving Lamp > Part 2 of 2GeneralOpen

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