64 51 002 Cleaning evaporator (automatic climate control)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

64 1 451
64 1 452
64 1 453
64 1 454
64 1 455
64 1 456

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 side carpet on left. Refer to 51 16 200 REMOVING AND INSTALLING CENTER CONSOLE .

Repeat repair only:

Remove sealing cap (1) from hole in A/C housing (2).

Fig 1: Removing Sealing Cap

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing cap.

First repair only:

CAUTION: To avoid swarf in A/C housing:
Drill holes at very low drilling speeds.
Carefully withdraw switched off drill together with swarf from holes.

Place drilling template 64 1 452 as illustrated on A/C housing (1) and predrill with 6 mm dia. drill bit.

Fig 2: Identifying Drilling Template

Courtesy of BMW OF NORTH AMERICA, INC.

Remove drilling template 64 1 452 and drill out hole with center bit 64 1 453 to 20 mm dia.

Installation:

Seal hole with sealing cap.

All:

Attach guide for spray lance 64 1 454 as illustrated into hole in A/C housing (1).

Fig 3: Attaching Guide For Spray Lance

Courtesy of BMW OF NORTH AMERICA, INC.

Attach positioner for spray lance 64 1 455 as illustrated to guide for spray lance 64 1 454 and secure with knurled nut (1).

Fig 4: Attaching Positioner For Spray Lance

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Inserting Spray Lance

Courtesy of BMW OF NORTH AMERICA, INC.

Connect spray lance 64 1 451 to spray apparatus.

Fig 6: Connecting Spray Lance

Courtesy of BMW OF NORTH AMERICA, INC.

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.