64 51 591 Removing and Installing/Replacing Evaporator

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove heater/air conditioner . Refer to 64 11 206 Removing and Installing/Replacing Heater .

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: Identifying Rubber Grommet, Foam Seal & Pipes

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Carefully remove seal (2) and all remnants.

Installation:

Replace seal (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: Identifying Plug Connection, Seal & 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:

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

Fig 3: Identifying Upper Housing & Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

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

Fig 4: Identifying Evaporator & 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.