Description
BSM Delphi R05-00 unit for Citroën and Peugeot vehicles. Some of the mounting clips on the housing may be cracked, which does not affect functionality. Unit tested and is fully functional.
The BSM Delphi R05-00 is a central body system module used on a range of Citroën and Peugeot models. This unit consolidates fuses, relays and several body-control functions into a single module, improving wiring simplicity and serviceability. Ideal for professional workshops and competent DIY mechanics, the module is commonly searched by part numbers such as 9675878480, 9807028880, 6500FT and 6500KQ — include these codes when searching to find precise matches. The slight cosmetic damage to some plastic mounting tabs does not affect electrical performance or internal functionality.
Technical Information
- Manufacturer: Delphi
- Model(s): Citroën Berlingo B9; Citroën C4 II; Peugeot 308; Peugeot Partner Tepee
- Product Codes: 9675878480, 9807028880, BSM R05-00
- Additional Numbers: 6500FT, 6500KQ, R05-00
Function And Typical Applications
The BSM (Body System Module) groups fuses, relays and several low-voltage control circuits for lighting, windshield wipers, central locking, some engine/immobiliser interfaces and other body functions. It acts as a distribution and switching hub, reducing harness complexity and centralising protection. On the listed Citroën and Peugeot models the BSM is a key unit for vehicle electrics and fault diagnosis.
How To Replace
Replacement should be performed by a trained technician or an experienced DIYer with basic electrical experience. Typical replacement steps:
- Disconnect The Negative Battery Terminal And Wait A Few Minutes To Ensure Systems Power Down.
- Remove Any Trim Or Covers To Access The BSM Module (Location Varies By Model; Often Located In The Fusebox Area).
- Note Or Photograph Fuse And Relay Positions Before Removal To Ensure Correct Reassembly.
- Release Electrical Connectors Carefully Using Proper Tools; Avoid Pulling On Wires.
- Unscrew The Module Fasteners, Remove The Unit And Transfer Fuses/Relays If Required.
- Fit The Replacement Unit, Reconnect Plugs And Fasteners, Reinstall Covers And Reconnect The Battery.
- Verify Functions Such As Exterior Lighting, Wipers, Central Locking And Engine Start Sequence After Installation.
Installation Recommendation
Always Follow Manufacturer Safety Procedures. Disconnect The Battery Before Any Work On The BSM To Prevent Short Circuits Or Damage. Document Fuse And Relay Layout Before Removing The Unit. When Possible, Use A Clean, Dry Environment To Reduce Risk Of Contamination. After Installation, Perform A Functional Check Of All Body Systems Controlled By The Unit.
Why The Part Most Often Fails
Common Causes Of BSM Failure Include Moisture Ingress, Corrosion Of Connectors, Thermal Stress And Vibration Leading To Cracked Solder Joints Or Intermittent Contacts. Electrical Overloads Or Short Circuits Can Damage Internal Components, And Water Exposure (Often From Poor Seals Or Splashing In Engine Bay Locations) Accelerates Connector And Board Corrosion. Cosmetic Damage To Mounting Tabs Does Not Normally Affect Electrical Operation.
Service Life And Reliability
Service Life Varies With Vehicle Use And Environment. Many Units Last For Years With No Issues, But Exposure To Moisture, Salt And Repeated Thermal Cycling Increases Risk Of Failure. Regular Inspection Of Connector Integrity And Fusebox Seals Can Help Prevent Premature Damage.
Compatibility And Search Tips
Search By The Exact Product Codes (9675878480, 9807028880, 6500FT, 6500KQ, R05-00) And Vehicle Model To Find Matching Units Quickly. When Replacing, Ensure Physical Connector Arrangement And Mounting Points Match The Original Unit.
