Remove expansion valve

WARNING: Working on 12 V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

CAUTION: Refrigerant circuit under high pressure.
Injury hazard!

Note and follow the manufacturer safety instructions on containers.
Avoid contact with refrigerant; wear safety goggles and hand protection.
For additional information see: 64 50 HANDLING REFRIGERANT and 64 50 NOTES on air conditioning repair work

Preliminary work

Suction the AIR CONDITIONING .
Disconnect all battery GROUND LEADS .
Remove the acoustic COVER .
Remove the left DME control unit COVER PANEL .
Remove top clean AIR PIPE .
Remove the cylinders 5 to 8 control unit BRACKET .
Remove coolant EXPANSION TANK .
Remove left front-end strut left intake FILTER HOUSING .
Release the intake pipe BRACKET .
Disconnect the expansion valve REFRIGERANT LINE

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Loosen screws (1).
Remove the expansion valve (2).

Courtesy of BMW OF NORTH AMERICA, INC.