Description
BSM Delphi R02-00 for Citroën and Peugeot vehicles. The unit may have a cracked mounting tab on the housing, which does not affect functionality. The unit is fully functional.
The BSM (Body System Module) R02-00 is a central power distribution and fuse/relay unit used on a range of Citroën and Peugeot models. It provides protected supply and switching for multiple vehicle circuits (ignition, fuel pump relay, lighting circuits and other body electrical consumers) and integrates electronic control elements to ensure reliable operation. This used unit is ideal for professional workshops and skilled DIY mechanics searching by OEM numbers (9666700180, 9807028580, 6500FQ, 6500HK).
Technical Information
- Manufacturer: Delphi / Siemens
- Model: BSM R02-00
- Product Codes: 9666700180, 9807028580
- Other Numbers: 6500FQ, 6500HK
- Compatible Vehicles (examples): Peugeot 407, Citroën C4 Picasso, Citroën C5 X7, Peugeot 5008 I
Installation Recommendations
- Disconnect the vehicle battery before starting work to avoid short circuits and electronic damage.
- Remove interior trim panels or engine bay covers as required to access the BSM. Carefully unplug all multi-pin connectors—press release tabs before pulling.
- Unbolt the unit from its mounting points. Inspect connectors and pins for corrosion or bent terminals and clean if necessary.
- When fitting the replacement, ensure mating connectors engage fully and secure the unit to original mounts. Do not overtighten fasteners; follow vehicle manufacturer guidance where available.
- After installation, check the affected circuits (lighting, starter/crank, fuel pump, etc.) for correct operation. Clear any stored fault codes with appropriate diagnostic equipment if required.
Why This Part Most Often Fails
- Corrosion And Water Ingress: Moisture intrusion into the housing or connector area causes poor contacts and intermittent faults.
- Thermal And Electrical Stress: High current loads and repeated heating cycles can degrade solder joints, relays or printed circuit traces.
- Connector Wear And Oxidation: Oxidised male/female terminals increase resistance and lead to functional failures.
- Mechanical Damage: Cracked mounting tabs or impact damage to the housing are common; cosmetic damage to mounts usually does not affect the electronic function, as noted above.
Typical signs that the BSM should be inspected or replaced include intermittent electrical faults, failure of several circuits at once, blown fuses that reoccur, or complete loss of power to components normally supplied through the unit. Replacing the module often restores reliable power distribution and removes elusive intermittent faults experienced by workshops and independent mechanics.
Order this BSM by part numbers 9666700180 / 9807028580 or cross-reference codes 6500FQ / 6500HK to quickly find the correct unit for your Citroën or Peugeot. A clear part-number search helps get the right replacement fast.
