LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Heating And Air Conditioning - Repair) >> AC Housing/evaporator, Switching Elements >> 64 51 001 Cleaning Evaporator

64 51 001 Cleaning Evaporator

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

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 11 228 REPLACING OUTPUT STAGE/SWITCH FOR HEATER - A/C SYSTEM BLOWER .

Secure adapter for spray lance 64 1 457 with screws (1) of limit switch for heater - A/C fan.

Fig 1: Securing Adapter For Spray Lance
G03119802Courtesy of BMW OF NORTH AMERICA, INC.

Seal opening (B) with plug for adapter 64 1 458.

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
G03119803Courtesy of BMW OF NORTH AMERICA, INC.

Insert travel limiter (1) into notch (2) of spray lance 64 1 451 and turn approx. 45°.

Fig 3: Inserting Travel Limiter Into Notch Of Spray Lance
G03119804Courtesy of BMW OF NORTH AMERICA, INC.

Connect spray lance 64 1 451 to spray apparatus.

Fig 4: Connecting Spray Lance To Spray Apparatus
G03119805Courtesy 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.