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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2119 (Heating And Air Conditioning - Repair) >> Ac Housing/Evaporator, Switching Elements >> 64 51 001 Cleaning evaporator

64 51 001 Cleaning evaporator

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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
  • Heater - A/C system must be switched 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: 

NOTE: Direction arrows on special tool 64 1 300  must point in direction of travel.
Insert guide lug (1) of special tool 64 1 300  into opening of evaporator temperature sensor.

Guide lug (1) must be firmly seated in opening of evaporator temperature sensor.

Fig 1: Identifying Guide Lug
G04792645Courtesy of BMW OF NORTH AMERICA, INC.

Connect special tool 64 1 300  to spray apparatus.

Move special tool 64 1 300  inwards.

Release clamping screw (2) and pull out guide wire (1) in order to position the folding spray element vertically.

Apply cleaning agent uniformly to evaporator by carefully moving special tool 64 1 300  back and forth.

Fig 2: Identifying Clamping Screw And Guide Wire
G04792646Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: For purposes of clarity, the cleaning procedure is shown on the removed heater/air conditioner.

Set up spray element (1) by pulling out guide wire and carefully move lance (2) back and forth.

Fig 3: Pulling Guide Wire And Lance
G04792647Courtesy 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 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.