64 51 591 Removing and installing/renewing evaporator

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

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).

Fig 1: Pulling Rubber Grommet And Foam Seal Over Pipes

Courtesy of BMW OF NORTH AMERICA, INC.

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).

Fig 2: Turning Temperature Sensor For Cold-Air Distributor

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 3: Removing Upper Housing Of Heater/Air Conditioner

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 4: Pulling Evaporator Out Of Lower Housing Of Heater/Air Conditioner

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not bend radiator fins.

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