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Home >> BMW >> 2021 >> M440i >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> General Electrical System -- Repair (G22, G23 & G26) >> 61 21 Battery With Holder >> 61 21 006 Removing and installing 48V battery (M440i and M440i xdrive convertible) >> Removing the 48V battery

Removing the 48V battery

WARNING: Hot surfaces. 
Risk of burning! 
  • Perform all work only on components that have cooled down.
WARNING: Hot fluids. 
Risk of scalding! 
  • Conduct all work in the vehicle wearing appropriate personal protective equipment only.
NOTE: Technical information 
Filling Without  the vacuum filling equipment (watering can filling) is Not permitted  .
If this is not observed, there is a risk of component damage or engine damage.
The filling specification Must  be observed.
It is essential to visually check the Vacuum filling equipment before use  to check that it is functioning correctly and clean.
It is not permissible to operate the vehicle if the filling procedure has not been fully completed. otherwise there may be functional limitations (degradation) or overheating.
A bleeding procedure is required after a part has been exchanged in the cooling system and/or after refilling the cooling system.
NOTE: Technical information 
Collect and dispose of emerging fluids. observe country-specific waste disposal regulations.
NOTE: Description is for left component only. procedure on the right side is identical.

Preliminary work 

WARNING: Hot surfaces. 
Risk of burning! 
  • Perform all work only on components that have cooled down.
NOTE: Technical information 
Use commercially available pinch-off tools to pinch off the coolant hoses.
NOTE: Technical information 
Collect and dispose of emerging fluids. observe country-specific waste disposal regulations.
G14307250Courtesy of BMW OF NORTH AMERICA, INC.