64 51 001 Cleaning evaporator

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see AIR CONDITIONING & HEATING - SPECIAL TOOLS - E60 .

Special Tools Required:

64 1 480

WARNING: When handling cleaning agent, observe following protection measures: Wear protective rubber gloves and protective goggles. If cleaning agent comes into contact with eyes or skin, wash immediately with lots of water.

IMPORTANT: To avoid dirtying vehicle interior:

Close all air vents.
Switch heating - A/C system to recirculated-air mode.

Recycling:

Carry out the cleaning operation in a suitable washing bay as the emerging cleaning agent escapes through the drain openings in the transmission tunnel.

After completing cleaning, allow car to drip-dry for approx. 5 minutes.

Necessary Preliminary Tasks:

Remove fresh air duct. Refer to 64 31 053 REMOVING AND INSTALLING OR REPLACING FRESH AIR DUCT .

Partially detach transmission underbody protection (6) for draining cleaning fluid:

Release screws (2 ... 4) in rear area and press heat shield (5) away.

Fig 1: Locating Transmission Underbody Protection Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Connect special tool 64 1 480 (spray lance) to spraying equipment.

Insert spray lance (1) through opening (2) to fresh air duct.

By moving spray lance (1) back and forth, spray a uniform amount of cleaning agent onto evaporator.

NOTE: After rinsing with water, blow out evaporator with spray lance and air only for approx. 5 minutes. Do this predominantly in the center of the evaporator to dry the fan motor behind. Set heating - A/C system to footwell ventilation and fresh-air mode. Open windows/doors. Start car and run heating - A/C system at maximum fan power for approx. 5 minutes in order to dry heating - A/C system. In order to eliminate the last remnants of cleaning agent, repeat this procedure shortly before handover to the customer.

Fig 2: View Of Spray Lance In Fresh Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.