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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning - Repair -- M4 (F82 & F83) >> 64 51 HVAC Unit / Evaporator And Expansion Valve >> Cleaning the evaporator (left-hand drive vehicle)

Cleaning the evaporator (left-hand drive vehicle)

Special tools required: 

WARNING: When handling cleaning agent, observe following protective measures:

Wear protective rubber gloves and protective goggles.

If cleaning agent comes into contact with eyes or skin, wash immediately with lots of water.

NOTE: Comply with notes and instructions on HANDLING CLEANING AGENTS .
For spraying device, observe manufacturers instruction manual.
IMPORTANT: To avoid dirtying vehicle interior:

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 the vehicle to drip-dry for approx. 5 minutes.

Necessary preliminary work: 

G10098926Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 2 344 001 into the microfilter housing (1) as shown.

G10098927Courtesy of BMW OF NORTH AMERICA, INC.

Position special tool 2 344 001 up against the top left limit position as shown.

Move special tool 2 344 001 from the top downwards (1) to limit position.

NOTE: If special tool 2 344 001 jams:

Move special tool 2 344 001 slightly to the right (2) until it can be moved from the top to the bottom.

NOTE: Set air conditioning to footwell ventilation and fresh air mode. Open side windows/doors.

Start the vehicle and let the air conditioning run for approx. 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.