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Home >> BMW >> 2017 >> M240i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> General Information >> OEM General Information >> General Orphan Data (2 Of 2) >> Disconnecting the negative battery cable

Disconnecting the negative battery cable

Precondition 

Ignition is switched off.

NOTE: TECHNICAL INFORMATION 
Observe the notes on handling the vehicle battery.
For additional information see:
SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY ,
NOTES FOR DISCONNECTING AND CONNECTING THE VEHICLE BATTERY ,
NOTES ON INTELLIGENT BATTERY SENSOR (IBS)
NOTE: RISK OF DAMAGE 
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS). 
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults. 
  • Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
G10098402Courtesy of BMW OF NORTH AMERICA, INC.