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Home >> BMW >> 2017 >> M240i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (General Orphan Data (2 Of 2)) >> Activating the 48 V electrical system

Activating the 48 V electrical system

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Precondition 

Ignition is switched off.

NOTE: RISK OF DAMAGE 
Damage to the 48-V battery 
If a 48-V battery that is disconnected from the electrical system is activated, the battery electronics will be damaged  .
  • Only ever activate the 48 V electrical system when the 48 V battery is fully connected up.