64 51 001 Cleaning evaporator

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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 - (6HP26Z/6HP32Z) .
Remove evaporator temperature sensor. Refer to 64 11 943 REPLACING EVAPORATOR TEMPERATURE SENSOR (HIGH AUTOMATIC A/C) .

Release screw (1).

Fig 1: Removing Left Footwell Air Duct

Courtesy of BMW OF NORTH AMERICA, INC.

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).

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.

Fig 2: Connecting Spray Lance To Spray Equipment

Courtesy of BMW OF NORTH AMERICA, INC.

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.

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.