61 12 ... General Information On Intelligent Battery Sensor (IBS)

2013 Mini Cooper Countryman, Standard TransSECTION 61 12 ... General Information On Intelligent Battery Sensor (IBS)
WARNING: This page is about a different car, the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 650i, 2007 BMW 650i, and 2006 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Do not connect continuous trickle charger to the cigarette lighter. 

The cigarette lighter is powered by the rear distribution box via a relay. This relay drops out after terminal 15 OFF. This means that a continuous trickle charger connected to the cigarette lighter is disconnected from the battery.

Charge the battery via the jump-start connection points. Only then can the power supply be registered by the vehicle.

WARNING: Danger of destruction in event of mechanical strain 
  • Do not introduce any additional connections at the battery negative terminal.
  • Do not modify the grounding cable.

    The grounding cable also serves to dissipate heat.

  • Do not establish any connection between the IBS and the sensor screw.
  • Do not use force when disconnecting the pole shoe from the battery terminal:
    • Do not pull on the grounding cable.
    • Do not place any tools under the IBS to lever off the pole shoe.
  • Do not use IBS connections as levers.
  • Use a torque wrench and set tightening torque in accordance with repair instructions.
  • Do not release or tighten down sensor screw (screw with Torx head).
  • Avoid contact between IBS and ground.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.