Wiring Diagram Cluster

2006 BMW 325Ci Convertible Engine Management Wiring Diagram

Find ECU/PCM wiring, fuel injector circuits, ignition coil paths, and oxygen sensor schematics for engine diagnostics.

Matched Diagrams

48

Variant Used

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

Total Vehicle Diagrams

5975

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2006 BMW 325Ci Convertible hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

2006 BMW 325Ci Convertible Application and ID β†’

Diagnostic signal

Codes Often Seen With This System

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

P0301: Cylinder 1 Misfire Detected β†’

Top Engine Management Diagram Paths

1.Electrical Diagrams > Body > Locking and Security Functions > Electronic Vehicle Immobilization > Interface, EWS/DME (Petrol Engine)GeneralOpen2.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Component ID (General List) > Part 1 APowertrain ManagementOpen3.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Component ID (General List) > Part 2 BPowertrain ManagementOpen4.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Component ID (General List) > Part 3 C-GPowertrain ManagementOpen5.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Component ID (General List) > Part 4 H-MPowertrain ManagementOpen6.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Component ID (General List) > Part 5 N-ZPowertrain ManagementOpen7.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names For LightsPowertrain ManagementOpen8.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names For Positive/Ground Connections > 30< 46 Term. 30 To 87Powertrain ManagementOpen9.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names For Positive/Ground Connections > 5V To 30< 45 Term. 30Powertrain ManagementOpen10.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With APowertrain ManagementOpen11.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With BPowertrain ManagementOpen12.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With CPowertrain ManagementOpen13.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With DPowertrain ManagementOpen14.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With EPowertrain ManagementOpen15.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With FPowertrain ManagementOpen16.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With GPowertrain ManagementOpen17.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With HPowertrain ManagementOpen18.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With IPowertrain ManagementOpen19.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With KPowertrain ManagementOpen20.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With LPowertrain ManagementOpen21.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With MPowertrain ManagementOpen22.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With NPowertrain ManagementOpen23.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With OPowertrain ManagementOpen24.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With PPowertrain ManagementOpen25.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With QPowertrain ManagementOpen26.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With RPowertrain ManagementOpen27.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With SPowertrain ManagementOpen28.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With TPowertrain ManagementOpen29.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With UPowertrain ManagementOpen30.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With VPowertrain ManagementOpen31.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With WPowertrain ManagementOpen32.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Signal Glossary > Signal Names With ZPowertrain ManagementOpen33.Fuel Delivery and Air Induction > Fuel Injector β€” Diagram Information and Instructions > Wire Color Code IdentificationPowertrain ManagementOpen34.Fuel Delivery and Air Induction > Fuel Injector β€” Electrical DiagramsPowertrain ManagementOpen35.Sensors and Switches - Powertrain Management > Sensors and Switches - Ignition System > Ignition Switch β€” S2 Ignition Switch (SMG Sequential Manual Transmission)Powertrain ManagementOpen36.Sensors and Switches - Powertrain Management > Sensors and Switches - Ignition System > Ignition Switch β€” S2 Ignition Switch (Without SMG Sequential Manual Transmission)Powertrain ManagementOpen37.Components > A_Control Modules, Assemblies > A8680 Fuse Carrier, Engine Electronics (Without DDE Diesel Electronics DDE4.0)GeneralOpen38.Components > B_Sensors, Transducers > B62101 Heated Oxygen Sensor I In Front of Catalytic ConverterGeneralOpen39.Components > B_Sensors, Transducers > B62102 Heated Oxygen Sensor I Behind Catalytic ConverterGeneralOpen40.Components > B_Sensors, Transducers > B62201 Heated Oxygen Sensor II In Front of Catalytic ConverterGeneralOpen41.Components > B_Sensors, Transducers > B62202 Heated Oxygen Sensor II Behind Catalytic ConverterGeneralOpen42.Components > B_Sensors, Transducers > B6232 Engine Coolant Temperature SensorGeneralOpen43.Components > K_Relays > K6327 Relay, Fuel InjectorsGeneralOpen44.Components > S_Switches, Coding Plugs > S63 Engine Coolant Level SwitchGeneralOpen45.Components > T_Ignition Coils > T6151 CYL. 1 Ignition CoilGeneralOpen46.Components > T_Ignition Coils > T6152 CYL. 2 Ignition CoilGeneralOpen47.Components > T_Ignition Coils > T6153 CYL. 3 Ignition CoilGeneralOpen48.Components > T_Ignition Coils > T6154 CYL. 4 Ignition CoilGeneralOpen