64 51 001 Cleaning evaporator

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Special tools required:

64 1 260
64 1 270

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.

NOTE: For information on cleaning agent and rinsing again, refer to Service Information .

For information on special tool, refer to Service Information Special Tools and Equipment.

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 on right hand drive models.

Connect special tool 64 1 260 (spray lance) to spray gun (2). Insert spray lance 64 1 260 through opening (1) into fresh air duct.

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

Fig 1: Special Tools (64 1 260), Spray Gun, Spray Lance And Spraying Directions

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

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

Fig 2: Heater/Air Conditioner Upper End, Lower Positions And Spraying Directions

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 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.