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Home >> BMW >> 2021 >> 430i xDrive >> Repair and Diagnosis >> Accessories & Equipment >> Horns >> General Electrical System -- Repair (G22, G23 & G26) >> 61 21 Battery With Holder >> 61 21 006 Removing and installing 48V battery (M440i GranCoupe sedan, M440i GranCoupe xdrive sedan) >> Installing the 48V battery

Installing the 48V battery

tightening torque specification

Battery tray to body
M8 screw Tightening torque  19 nm
G14231012Courtesy of BMW OF NORTH AMERICA, INC.
tightening torque specification

Battery tray to body
M6 screw Tightening torque  8 nm
tightening torque specification

Coolant flange screw
Screw M6x20 Tightening torque  8 nm
G14307246Courtesy of BMW OF NORTH AMERICA, INC.
WARNING: Incorrect screw connection of the positive battery cable. 
Risk of fire! 
  • Ensure that the positive battery cable is screwed with the Correct  nut.
tightening torque specification

Positive battery cable to 48V battery
Nut M8 Tightening torque  19 nm

Follow-up work