64 51 001 Cleaning evaporator

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

64 1 451
64 1 456
64 1 457
64 1 458

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.

CAUTION: To avoid dirtying vehicle interior:

Close all air vents.
Switch air conditioner 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.

NOTE: Make sure the cleaning agent can escape freely from the drain openings. If necessary, remove rear underbody protection.

Remove limit switch for heater - A/C fan. Refer to 64 11 227 REPLACING LIMIT SWITCH FOR FAN OF HEATER/AIR CONDITIONER (CLIMATE CONTROL) .

Seal off opening (A) of adapter for spray lance 64 1 457 with plug 64 1 458.

Fig 1: Sealing Openings

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Clip adapter for spray lance 64 1 457 into opening of limit switch for heater - A/C fan.

Installation:

Make sure adapter for spray lance 64 1 457 is correctly seated in guides (1).

Insert spray lance 64 1 451 in direction of arrow and secure with fixture for spray lance 64 1 456.

Fig 2: Inserting Spray Lance

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Connect spray lance 64 1 451 to spray apparatus.

Fig 3: Connecting Spray Lance

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By moving spray lance 64 1 451 back and forth, spray a uniform amount of cleaning agent onto evaporator.

NOTE: After completing cleaning, allow car to drip-dry for approx. 5 minutes.

Set heater - A/C to footwell ventilation and fresh air operation.

Open windows/doors.

Start car and run heater - A/C at max. fan power for approx. 5 minutes in order to dry evaporator.

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