GENUINE BMW OEM
IBS Negative Battery Terminal Cable
E63 / E64 6 SERIES
Part Type Negative Battery Cable with IBS Sensor
IBS Meaning Intelligent Battery Sensor
OEM Part Number 61 12 9 184 206
Short Number 9184206
Superseding Number 61 21 7 620 566 – verify by VIN
Placement Rear Battery Compartment
Voltage 12 Volt
Condition Used OEM

Vehicle Fitment

Fits select 2004–2010 BMW 6-Series E63 Coupe and E64 Convertible models, including:

  • 2004–2005 BMW 645Ci
  • 2006–2010 BMW 650i / 650Ci
  • 2006–2010 BMW M6
Compatibility notice: BMW used several revisions of the IBS negative battery cable. Match OEM number 61129184206, terminal design, cable length, connector and sensor housing with your original part. VIN verification is strongly recommended.

Function

The Intelligent Battery Sensor monitors battery voltage, charging current and temperature. This information is transmitted to the vehicle’s energy-management system to regulate charging and electrical operation.

Condition

Genuine used BMW electrical component. Normal cosmetic wear, scratches, dirt, oxidation or installation marks may be present. Inspect all photographs carefully for the exact condition of the cable, terminal, sensor housing and electrical connector.

The photographs show the exact item you will receive.

Package Includes

  • One negative battery-terminal cable
  • Integrated IBS battery-management sensor
  • Only the wiring and connectors visibly shown in the photographs

Battery, positive cable, mounting hardware and additional wiring are not included unless clearly pictured.

Installation

Professional installation is recommended. Disconnect the vehicle’s electrical system according to BMW repair procedures before removing or installing battery components. Diagnostic initialization may be required depending on the repair performed.

Shipping & Returns

  • Ships by USPS Ground Advantage from Westville, New Jersey
  • Carefully packaged to protect the sensor and connector
  • Tracking information provided after shipment
  • 30-day free returns accepted
  • Returned item must remain in its original condition
  • Original identifying marks must remain intact
  • Labor and diagnostic expenses are not covered
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