64 51 001 Cleaning evaporator

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

64 1 300

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.

IMPORTANT: To avoid dirtying vehicle interior:

Close all air vents
Heater - A/C system must be switched to air recirculation function
Cover carpet in work area

Recycling

Necessary preliminary tasks

Remove REAR UNDERBODY PROTECTION .
Move steering column in "top" and "extended" position.
Remove EVAPORATOR TEMPERATURE SENSOR .

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: Inserting Guide Lug Of Special Tool (64 1 300) Into Evaporator Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Connect special tool 64 1 300 to spray apparatus.

Move special tool 64 1 300 inwards.

Release clamping bolt (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: Moving Special Tool (64 1 300)

Courtesy 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

Courtesy of BMW OF NORTH AMERICA, INC.

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.

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.