BMW X3 Service & Repair Manual: Removing and installing/renewing evaporator

Necessary preliminary work:

• Remove HEATER/AIR CONDITIONER

Carefully pull rubber grommet (1) and foam seal (2) over pipes (3) and (4).

NOTE: If necessary, replace rubber grommet (1) and/or foam seal (2).

Release screws (5).

Unfasten plug connection (1) and disconnect.

Carefully remove seal (2) and all remnants.

Installation note:

Replace gasket (2).

Turn temperature sensor for cold-air distributor (3) in direction of arrow and detach in upwards direction.

Expose connecting cable (4) of temperature sensor for cold-air distributor (3) towards rear of heater/air conditioner (5).

Release screws (1).

Remove upper housing (2) of heater/air conditioner in direction of arrow.

Installation note: Make sure upper housing (2) is correctly seated on heater/air conditioner.

Pull evaporator (1) in direction of arrow out of lower housing (2) of heater/air conditioner.

Installation note: Make sure evaporator (1) is correctly seated in lower housing (2) of heater/air conditioner.

IMPORTANT: Do not bend radiator fins.

If necessary, clean or straighten radiator fins with slat comb.