Description
BSM Delphi R05-00 unit for Citroën and Peugeot vehicles. It may have a cracked mounting tab on the housing, which does not affect functionality. The unit has been tested and is fully functional.
Product Overview
This BSM (Body System Module) Delphi R05-00 is an original-style control unit used on a range of Stellantis (Citroën/Peugeot) vehicles. The module integrates power distribution, relays and control electronics for various body functions such as lighting circuits, wipers, central locking and other comfort/electrical features. This spare part is frequently searched by part number (e.g. 9666700480) by professional technicians and DIY repairers looking for a direct replacement for affected Citroën and Peugeot models.
Compatible Models
- Citroën Berlingo (B9)
- Citroën C4
- Peugeot 308
- Peugeot Partner Tepee
Technical Information
- Manufacturer: Delphi
- Model: BSM R05-00
- Product Codes: 9666700480
- Other Numbers: 9807028780, 9807028880, 966700480, R05, R05-00
Installation Recommendations
- Always disconnect the vehicle battery before removal and installation to avoid short circuits or damage to the unit.
- Access the module following the vehicle manufacturer’s instructions (typically located in the engine bay or under the scuttle panel). Remove protective covers and unplug wiring connectors carefully—do not pull on the harness wires.
- Unbolt the unit from its mounting points and transfer any required brackets or sealing gaskets. If mounting tabs are cracked, verify secure attachment but note that cosmetic cracks do not necessarily affect function.
- After mechanical installation, reconnect the battery and verify basic functions (lights, wipers, locks, etc.). Some vehicles may require initialization or reconfiguration of certain features; this can be performed with PSA diagnostic equipment (DiagBox/Lexia/PP2000) if necessary.
- Use appropriate torque on fasteners and ensure connectors are fully seated and protected from moisture.
Common Failure Causes
BSM units commonly fail due to environmental and electrical stress: water ingress and corrosion of connectors, thermal cycling and overheating, vibration leading to cracked solder joints or relay failures, and transient overvoltage from poor battery/charging system conditions. Mechanical damage to mounting tabs is frequent on used units but often cosmetic—if mounting integrity is compromised, secure repair or bracket replacement is recommended. Regular inspection of engine-bay seals and connector boots helps prevent premature failures.
Why Choose This Unit
This Delphi BSM R05-00 offers a direct-fit electrical control solution for the listed Citroën and Peugeot models and is identified by the common part numbers above. It is suitable for professional workshops and experienced DIY technicians who require a reliable replacement that restores central body functions without extensive modification.







