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Home >> BMW >> 2021 >> X7 xDrive40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (General Electrical System - Repair -- X5 (2 Of 2) (G05)) >> 61 31 Switch, Sensor >> 61 31 011 Removing and installing/replacing coil spring cassette (all X5 models, 2019-2022) >> Activating the 48 V electrical system

Activating the 48 V electrical system

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Prerequisite 

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.
G14192798Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work