Product overview

This Delphi BSM R05-00 is a replacement body/fuse/control module used on various Citroën and Peugeot models. It integrates fused power distribution, relays and control electronics for several engine bay and body circuits. Common search terms and part numbers: 9664706280, 9807028880, 6500HH, 6500FT, 6500KQ, R05-00.

Compatibility

Typical compatible models include Citroën Berlingo (B9), Citroën C4, Peugeot 308 and Peugeot Partner Tepee. Always check the listed product codes against the part number used on the vehicle when searching (9664706280 / 9807028880 / 6500HH / 6500FT / 6500KQ / R05-00).

Function and role

The BSM (Boîtier de Servitude Moteur) houses fuses and relays and contains control electronics that manage power distribution and certain body/engine-related functions. It provides protected power to circuits such as lights, fuel pump relay, ignition relays and sensors, and exchanges information with other vehicle control units. Failure or intermittent faults in the BSM can cause loss of several electrical functions at once.

Replacement procedure

General replacement steps for experienced mechanics or DIYers familiar with PSA vehicles:

• Isolate the vehicle electrically by disconnecting the negative battery terminal before any work.
• Locate and remove any engine bay covers or brackets that block access to the BSM.
• Release the multi-pin connectors carefully using the connector locks or release tabs; avoid pulling on wiring.
• Remove the mounting bolts securing the BSM and withdraw the unit from its housing.
• Install the replacement unit, secure with bolts and reconnect all connectors firmly.
• Reconnect the battery and perform functional checks: lights, starter, fuel pump and other affected circuits.
• If fault codes remain or some features are not restored, perform diagnostics and coding with PSA-compatible diagnostic equipment.

Installation recommendations

• Work in a dry, clean environment to avoid contamination of connectors.
• Inspect connector pins and wiring for corrosion or heat damage; clean or replace damaged terminals before fitting the new unit.
• Ensure the unit is mounted securely; a cracked or damaged mounting tab on the housing is cosmetic if the unit is fixed and connectors are intact.
• After installation, clear fault codes and run a full system check with diagnostic tool to confirm proper operation.
• When in doubt about coding or complex faults, use a technician with PSA diagnostic tools (DiagBox/Lexia/PP2000) for reliable commissioning.

Why this part most often fails

• Water ingress and corrosion in connectors leading to intermittent contacts or short circuits.
• Thermal cycling and vibration causing solder joint or relay wear inside the unit.
• Overloaded circuits or repeated short circuits that stress internal components.
• Physical damage to the housing or connectors from impacts or improper handling during previous repairs.

Technical information

• Manufacturer: Delphi
• Model: BSM R05-00
• Product codes: 9664706280, 9807028880, 6500HH, 6500FT, 6500KQ, R05-00
• Other numbers: R05, 9664706280/9807028880 (used as cross-reference)

Important notes for BSM units

Some BSM units are vehicle-specific and may require diagnostics and coding after replacement to remove stored faults and restore full functionality. If you are not familiar with PSA electrical commissioning procedures, have the unit inspected and configured by a professional workshop with appropriate diagnostic equipment.

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.