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Home >> BMW >> 2021 >> X4 M40i >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle -- Repair (G02) >> 31 11 Front Axle Carrier >> 31 11 506 Lowering/raising front axle support (X4 M40i) >> Detaching and lowering the front axle support

Detaching and lowering the front axle support

WARNING: Heavy component falling down or tipping. 
Danger! Immobilization period-threatening injuries! 
WARNING: Car may slip off the vehicle hoist where components are supported. 
Danger! Immobilization period-threatening injuries! 
  • Secure the vehicle hoist against lowering and lifting.
  • Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.
WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly. 
Danger! Immobilization period-threatening injuries! 
WARNING: Car may slip off the vehicle hoist if the weight is distributed unevenly. 
Danger! Immobilization period-threatening injuries! 
  • Ensure specific weight compensation on the vehicle.

Preliminary work 

Disassemble the front axle support 

WARNING: Heavy component falling down or tipping. 
Danger! Immobilization period-threatening injuries! 

Partially releasing left and right crash levers 

NOTE: The following step(s) must be performed if the specified component(s) is/are installed.
NOTE: Perform the steps on the right and left side.
G14309272Courtesy of BMW OF NORTH AMERICA, INC.

Releasing the adapter for the front axle support from the front axle support on the right and left 

NOTE: Perform the steps on the right and left side.
G14309273Courtesy of BMW OF NORTH AMERICA, INC.
Fig 1: Front Axle Support Screws Loosening Sequence
G14309274Courtesy of BMW OF NORTH AMERICA, INC.

Lower front subframe 

NOTE: RISK OF DAMAGE 
Failure to comply with the specification. 
Component damage. 
  • All specifications must  be observed and complied with.
G14299259Courtesy of BMW OF NORTH AMERICA, INC.