Wiring Diagram Cluster

2001 BMW 325Ci Convertible Body Electrical Wiring Diagram

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

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Matched Diagrams

48

Variant Used

325Ci Convertible (E46) L6-2.5L (M54)

Total Vehicle Diagrams

5405

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OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

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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 →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Trunk Compartment LightGeneralOpen2.Electrical Diagrams > Body > Lighting > Interior Lights > Switch > Trunk Lid ContactGeneralOpen3.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Driver's Door Lock MotorGeneralOpen4.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Passenger's Door Lock MotorGeneralOpen5.Connector Views > Power Door Lock Switch > S18 Hazard Warning/Central Locking SwitchGeneralOpen6.Electrical Diagrams > Body > Lighting > Interior Lights > Interior Lights/Vehicle Interior (Convertible)GeneralOpen7.Electrical Diagrams > Body > Lighting > Interior Lights > Interior Lights/Vehicle Interior (Convertible)GeneralOpen8.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > DimmerGeneralOpen9.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Footwell LightsGeneralOpen10.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Glove Box LightGeneralOpen11.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Interior Light, Hard Top (Convertible) > Rear Left Interior Light (Convertible)GeneralOpen12.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Interior Light, Hard Top (Convertible) > Rear Right Interior Light (Convertible)GeneralOpen13.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Interior Lights, FrontGeneralOpen14.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Light, Cigarette LighterGeneralOpen15.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Load CutoutGeneralOpen16.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Mirror Light, Driver's SideGeneralOpen17.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Mirror Light, Passenger's SideGeneralOpen18.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Oddments Compartment Lighting > Oddments Tray Package (As of 09/00)GeneralOpen19.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Oddments Compartment Lighting > Oddments Tray Package (Without Compact Up to 09/00)GeneralOpen20.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Reading LightsGeneralOpen21.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Rear Ashtray LightGeneralOpen22.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Rear Right Interior Light > Interior Lights, Rear (Touring Up to 06/00)GeneralOpen23.Electrical Diagrams > Body > Lighting > Interior Lights > Lamps > Rear Right Interior Light > Rear Left Interior Light (Without Touring Without Convertible)GeneralOpen24.Electrical Diagrams > Body > Lighting > Interior Lights > Switch > Button, Interior LightsGeneralOpen25.Electrical Diagrams > Body > Lighting > Interior Lights > Switch > Switch, Driver's DoorGeneralOpen26.Electrical Diagrams > Body > Lighting > Interior Lights > Switch > Switch, Passenger DoorGeneralOpen27.Electrical Diagrams > Body > Locking and Security Functions > Antitheft Alarm System > Switch, TailgateGeneralOpen28.Electrical Diagrams > Body > Locking and Security Functions > Antitheft Alarm System > Trunk Lid ContactGeneralOpen29.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Center-Lock ButtonGeneralOpen30.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Central Locking System (Convertible)GeneralOpen31.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Central Locking, Glove Box (Convertible)GeneralOpen32.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Crash Detection > Connector X10116 ((Coupe or Convertible) With MRS Multiple Restraint System III/IV)GeneralOpen33.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Crash Detection > Crash Detection (MRS Multiple Restraint System II)GeneralOpen34.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Fuel Tank Access Flap Lock MotorGeneralOpen35.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Switch, Driver's DoorGeneralOpen36.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Switch, Glovebox (Convertible)GeneralOpen37.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Switch, Passenger DoorGeneralOpen38.Electrical Diagrams > Body > Locking and Security Functions > Central Locking System > Terminal RGeneralOpen39.Electrical Diagrams > Body > Locking and Security Functions > Rear Lid/Rear Window > Button, TailgateGeneralOpen40.Electrical Diagrams > Body > Locking and Security Functions > Rear Lid/Rear Window > Drive, TailgateGeneralOpen41.Electrical Diagrams > Body > Locking and Security Functions > Rear Lid/Rear Window > Switch, Tailgate (Without Compact)GeneralOpen42.Electrical Diagrams > Body > Locking and Security Functions > Rear Lid/Rear Window > Trunk Lid ContactGeneralOpen43.Electrical Diagrams > Body > Locking and Security Functions > Remote Control > Infrared Remote Control > Central Locking System (With Automatic Transmission)GeneralOpen44.Electrical Diagrams > Body > Locking and Security Functions > Remote Control > Infrared Remote Control > Central Locking System (Without Automatic Transmission)GeneralOpen45.Electrical Diagrams > Body > Locking and Security Functions > Remote Control > Radio Remote Control > Central Locking SystemGeneralOpen46.Electrical Diagrams > Body > Signal and Warning Functions > Horn > Left HornGeneralOpen47.Electrical Diagrams > Body > Signal and Warning Functions > Horn > Right HornGeneralOpen48.Electrical Diagrams > Body and Frame > Doors, Hood and Trunk > Front DoorGeneralOpen

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Likely Trouble Codes for This System

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B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More 325Ci Convertible Wiring Pages

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Same System, Other Vehicles

2001 BMW 320i Body Electrical Wiring Diagram2001 BMW 325Ci Coupe Body Electrical Wiring Diagram2001 BMW 325i Sedan Body Electrical Wiring Diagram2001 BMW 325i Sport Wagon Body Electrical Wiring Diagram2001 BMW 325xi Sedan AWD Body Electrical Wiring Diagram2001 BMW 325xi Sport Wagon AWD Body Electrical Wiring Diagram2001 BMW 330Ci Convertible Body Electrical Wiring Diagram2001 BMW 330Ci Coupe Body Electrical Wiring Diagram