64 51 001 Cleaning evaporator: Recycling

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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 MICROFILTER FOR PASSENGER COMPARTMENT VENTILATION

NOTE: Cleaning procedure must be performed in two steps with special tool 2 222 502 .

Fig 1: Inserting Special Tool (2 222 502) In Rear Opening Of Microfilter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Step 1:

Insert special tool 2 222 502 in the rear opening of the microfilter housing (1) at position (2) as shown.

Fig 2: Inserting Special Tool (2 222 502) In Rear Opening Of Microfilter Housing At Position

Courtesy of BMW OF NORTH AMERICA, INC.

Move special tool 2 222 502 from top downwards (A) up to stop.

At the same time, press special tool 2 222 502 at position (1) in the direction of the arrow against the microfilter housing.

Spray approximately half of the cleaning agent. Then pull the special tool 2 222 502 out of the microfilter housing.

Fig 3: Pulling Special Tool (2 222 502) Out Of Microfilter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Step 2:

Insert special tool 2 222 502 in the rear opening of the microfilter housing (2) at position (1) as shown.

Fig 4: Inserting Special Tool (2 222 502) In Rear Opening Of Microfilter Housing At Position

Courtesy of BMW OF NORTH AMERICA, INC.

Move special tool 2 222 502 from top downwards (A) up to stop.

At the same time, press special tool 2 222 502 at position (1) in the direction of the arrow against the microfilter housing.

Spray the remaining half of the cleaning agent. Then pull the special tool 2 222 502 out of the microfilter housing.

NOTE: Set heating - A/C system to footwell ventilation and fresh-air mode. Open side windows/doors.
Start the vehicle and let the heating and air conditioning system run for at least 5 minutes at maximum blower output.

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