61 20 900 Disconnecting and connecting battery negative lead

2011 BMW X6 MSECTION 61 20 900 Disconnecting and connecting battery negative lead
WARNING: Observe SAFETY INFORMATIONSΒ  for handling vehicle battery.
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .
Follow instructions on INTELLIGENT BATTERY SENSOR (IBS)Β .

Necessary preliminary work:

IMPORTANT: Do not under any circumstances detach or lever off intelligent battery sensor (2) from battery by force.

Loosen nut (1). Tightening torque 61 21 1AZ .

Remove intelligent battery sensor (2) from battery and secure to side.

Fig 1: Identifying Intelligent Battery Sensor And Nut
G08560773Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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