64 51 001 Cleaning evaporator

WARNING: This page is about a different variant/trim than selected.

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 REAR UNDERBODY PROTECTION
Remove HEATER/AIR CONDITIONER FAN

IMPORTANT: Use special tool 64 1 270 SPRAYER on right hand drive models.

Connect special tool 64 1 260 SPRAYER (spray lance) to spray gun (2).

Insert spray lance 64 1 260 SPRAYER through opening (1) into fresh air duct.

Fig 1: Connecting Special Tool 64 1 260 To Spray Gun

Courtesy of BMW OF NORTH AMERICA, INC.

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

Spray lance 64 1 260 SPRAYER shown on removed and cut-open heater/air conditioner:

Spray lance 64 1 260 SPRAYER in upper end position (1)
Spray lance 64 1 260 SPRAYER in lower end position (2)

Fig 2: Moving Spray Lance Back And Forth
Courtesy of BMW OF NORTH AMERICA, INC.

By moving spray lance back and forth, spray a uniform amount of cleaning agent onto 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 maximum 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.