64 51 001 Cleaning Evaporator

WARNING: This page is about a different car, the 2005 BMW 760Li, 2004 BMW 760i, 2004 BMW 760Li, and 2003 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

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

Special Tools Required:

64 1 460

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.
Cover carpet in work area.

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 protection under transmission. Refer to REMOVAL & INSTALLATION .
Remove evaporator temperature sensor. Refer to 64 11 943 REPLACING EVAPORATOR TEMPERATURE SENSOR (HIGH AUTOMATIC A/C) .

Release screw (1).

Remove left footwell air duct (2) in direction of arrow.

Installation:

Make sure air duct in footwell on left (2) is correctly seated on heating - A/C system (3).

Fig 1: Removing Left Footwell Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.

Pull knob (1) in direction of arrow to move folding spray element into insertion position. Insert spray lance with folding spray element 64 1 460 through opening in evaporator temperature sensor.

NOTE: Make sure spray lance with folding spray element 64 1 460 is correctly seated in opening in evaporator temperature sensor.

Connect spray lance (2) to spray equipment.

Secure spray lance with folding spray element 64 1 460 and move spray lance (2) back and forth in direction of arrow to spray a uniform amount of cleaning agent over the evaporator.

Fig 2: Installing Spray Lance In Evaporator Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Set heating - A/C system to footwell ventilation and fresh-air mode. Open windows/doors.

Start car and run heating - A/C system at max. fan power for approx. 5 minutes in order to dry evaporator.

In order to eliminate the last remnants of cleaning agent, repeat this procedure shortly before handover to the customer.