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Home >> BMW >> 2021 >> 330e >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> General Electrical System -- Repair (G20) (1 Of 2) >> 61 20 Battery >> 61 20 900 Disconnecting and connecting battery ground lead (330e PHEV and 330e xDrive PHEV) >> Disconnecting the negative battery cable (starter unit battery)

Disconnecting the negative battery cable (starter unit battery)

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.
G14214905Courtesy of BMW OF NORTH AMERICA, INC.