Description
BSM DELPHI R02-00 for CITROËN and PEUGEOT vehicles. Unit tested and is fully functional. It may have a cracked mounting tab on the housing which does not affect functionality.
The Delphi BSM (Boîtier de Servitude Moteur) R02 is an essential body/fuse module used on a range of Citroën and Peugeot models. This unit integrates fuses, relays and distribution circuits for engine and body electrical systems, making it a common replacement part in collision repairs and electrical troubleshooting. Common search terms and part numbers: BSM R02, Delphi BSM, 9667044980, 6500FQ, 6500HK — useful for fast lookup in parts catalogs or e-commerce searches. Ideal for professional workshops and competent DIY mechanics who service PSA group vehicles.
Technical Information
- Manufacturer: Delphi
- Model: BSM R02-00
- Product Codes: 9667044980, 6500FQ, 6500HK
- Additional Numbers: R02-00, R05-00
Compatible Models
Typically fitted to various PSA group vehicles. Frequently used in: Citroën C4 Picasso, Peugeot 3008 (I), Peugeot 5008 (I). Always check the part numbers against the vehicle’s equipment level and production variant when selecting the part.
Function And Typical Faults
The BSM houses vehicle fuses and relays and serves as a central distribution point for engine management, lighting, wipers, and other body electrical circuits. Failures usually present as intermittent or permanent loss of one or more electrical functions, blown internal fuses, relay faults, or poor connections causing voltage drops. Mechanical damage (e.g., cracks in the housing) normally does not affect electrical performance, but water ingress, corrosion of contacts, vibration and thermal stress are the most common root causes of failure.
How Replacement Is Performed
1) Diagnose the fault clearly to confirm the BSM is the source (measure voltages, check fuses/relays and connectors). 2) Disconnect the negative battery terminal before any work. 3) Locate and remove trim or covers to access the BSM (typically positioned in the engine bay or near the wheelarch depending on model). 4) Carefully release electrical connectors and remove fixing fasteners. 5) Transfer any required fuses/relays or plugs to the replacement unit if applicable. 6) Fit the replacement BSM, secure fasteners and reconnect connectors. 7) Reconnect the battery and verify all circuits and functions. Use diagnostic tools to confirm system status and clear any fault codes.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Short Circuits Or Damage.
- Inspect Connectors For Corrosion Or Bent Pins; Clean And Repair As Necessary Before Reinstallation.
- If The Housing Has A Cracked Mounting Tab, Secure The Unit Properly To Prevent Vibration; The Crack Does Not Normally Affect Electrical Function.
- Use Dielectric Grease On Electrical Contacts Where Appropriate To Reduce Corrosion Risk.
- After Installation, Carry Out A Full Functional Check And Read Fault Memory With A Compatible Diagnostic Tool.
Why This Part Most Often Fails
- Water Ingress And Moisture Leading To Corroded Contacts.
- Thermal Cycling And Overheating From High Current Loads.
- Mechanical Damage From Impacts Or Vibration; Broken Mounting Points.
- Poor Electrical Connections Causing Heat And Contact Degradation.
- Age-Related Wear Of Internal Relays Or Fuse Holders.
This Delphi BSM R02-00 offers a practical solution for restoring reliable electrical distribution on compatible Citroën and Peugeot vehicles. Supplied in ready-to-fit condition; ideal for garages and experienced DIY technicians seeking a direct replacement using the referenced part numbers.







