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HOMESERVICE MANUALSBMW2007530XI 4D SEDAN, STANDARDREPAIR AND DIAGNOSISRESTRAINTSAIR BAG, SRSGENERAL ELECTRICAL SYSTEM - REPAIRBATTERY61 20 908 PERFORMING BATTERY "POWER RESET" FOR PROGRAMMING/CODING CONTROL UNITS
2007 BMW 530xi 4D Sedan, Standard

61 20 908 Performing battery "power reset" for programming/coding control units

2007 BMW 530xi 4D Sedan, StandardSECTION 61 20 908 Performing battery "power reset" for programming/coding control units
IMPORTANT: Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .

The following steps must be carried out for a "power reset": 

  • Switch off and disconnect battery charger
  • Switch off ignition
  • Cars with ignition key: Turn ignition key to 0 position
  • Cars with identification sensor: Remove identification sensor from slot
  • Cars with comfort access system: Make sure terminal is in 0 position
  • Disconnect BATTERY NEGATIVE LEAD 
  • Reconnect battery negative terminal (to ensure bus activity)
  • Waiting time (5-10 seconds)
  • Disconnect BATTERY NEGATIVE LEAD 
  • Waiting time (1 minute)
  • Connect battery negative terminal and tighten. Tightening torque: 5 Nm
  • Connect and switch on battery charger
  • Switch ignition on
RENDER: 1.0x

NO RELATED

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

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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.