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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> General Electrical System -- Repair (G22, G23 & G26) >> 61 31 Switch, Sensor >> 61 31 197 Removing and installing operating facility for center console (4' Series coupe, convertible, and GranCoupe sedan) >> Installing the operating facility in the center console

Installing the operating facility in the center console

tightening torque specification

Gws to center console trim
Screw Tightening torque  1.8 nm
G14307373Courtesy of BMW OF NORTH AMERICA, INC.

disconnecting all battery ground leads 

G13797979Courtesy of BMW OF NORTH AMERICA, INC.

activating the 48Velectrical system 

Precondition 

Ignition is switched off.

NOTE: Risk of damage 
Damage to the 48V battery 
If a 48V battery that is disconnected from the electrical system is activated, the battery electronics will be damaged. 
  • Only ever activate the 48Velectrical system when the 48V battery is fully connected up.
tightening torque specification

Negative battery cable to 48V battery
Nut M8 Tightening torque  19 nm
G14192780Courtesy of BMW OF NORTH AMERICA, INC.
G14192798Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work