Vehicle-specific notes

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F02/F03/F04 only:

To ensure a virtually complete draining of refrigerant from the automatic rear air-conditioning system or the hybrid battery cooling system:

In the diagnosis system under Service functions carry out the instructions for "Draining/filling refrigerant circuit".

Only M5 (S63):

To access refrigerant line connections, the right intake silencer housing must be removed.

F01/F02/F03/F04/F06/F12/F13 (N63) only from 07/2012:

To access refrigerant line connections, the right intake port must be removed.

IMPORTANT: Risk of damage!
Carefully move the climate service station!
Comply with the operating instructions and service interval for the A/C service station!
Make sure that the hoses of the A/C service station are drained after the drawing off or filling procedure!

Fig 1: Evacuating And Filling Heating And Air Conditioning System

Courtesy of BMW OF NORTH AMERICA, INC.

The climate service station contains highly sensitive components, such as scales. These components will be damaged due to improper handling, such as fast driving over a bump. This will result in a significant reduction of the measuring accuracy when drawing off and filling.

IMPORTANT: The vehicle must be parked on the ground during all draw-off, evacuation and filling procedures!
Filling a raised vehicle will result in insufficient filling levels.

NOTE: In case of complaints, carry out a heating and air conditioning performance test!
If the system fails the test, draw off, evacuate and fill the heating and air conditioning system in accordance with the operating instructions of the relevant service station.

Instructions for drawing off heating and air conditioning system:

To help separation of refrigerant and refrigerant oil, run engine at low speed (800-1200 RPM) and with heating and air conditioning system turned on for a few minutes.

The limits the entrainment of refrigerant oil while it is drawn off.

Drawn-off refrigerant oil must be changed and reintroduced via the A/C service station.

During drawing off, set blower of heating and air-conditioning unit to middle blower speed. This ensures that drawing off is more effective since the pressure on the low pressure side increases.

Recycling:

Dispose of drawn-off refrigerant oil as hazardous waste.

Observe country-specific waste disposal regulations.

Instructions for evacuating heating and air conditioning system:

Before each filling, evacuate the refrigerant system.

Observe an evacuation time of at least 30 minutes .

The evacuation procedure removes all traces o ambient air, water vapor and any other gases present from the heating and air conditioning system. This enables subsequent system filling with refrigerant.

If the vacuum does not remain stable when the system is off, run the procedure for leaks in the refrigerant circuit.

During evacuation, set blower of heating and a conditioning unit to middle blower speed. This ensures that evacuation is more effective since the pressure on the low pressure side increases.

Instructions for filling heating and air conditioning system:

Before filling with refrigerant, replace the refrigerant oil entrained during drawing off.

Also top up any lost fluid as indicated in the table:

Loss of R134a refrigerant

Table 1 indicates the permitted loss of refrigerant after a specific period of time. There is no leak. refrigerant oil may not be topped up.

Table 2 indicates the amount of refrigerant oil must be topped up with an unapproved loss of refrigerant due to a leak after a specific period time.

Different cases:

Loss of refrigerant per Table 1 is not exceeded
- Top up lost R134a refrigerant
- It is not permitted to top up the refrigerant oil
Loss of refrigerant per Table 1 is exceeded
- Top up lost R134a refrigerant
- refrigerant oil must be topped up additionally per Table 2

REFRIGERANT OIL LOSS

Number of years since last filling	0 - 1	1 - 2	2 - 3	3 - 4	4 - 5
Permissible loss [g] --> no need to top up refrigerant oil	≤ 30	≤ 60	≤ 90	≤ 120	≤ 150

REFRIGERANT OIL LOSS

Number of years since last filling	R134a loss of coolant [g]	Top up quantity refrigerant oil
0 - 1	- <120	0
	120 - 150	10
	>150	20
1 - 2	- <180	0
	180 - 210	10
	>210	20
2 - 3	- <240	0
	240 - 270	10
	>270	20
3 - 4	- <300	0
	300 - 330	10
	>330	20
4 - 5	- <360	10
4 - 5	>360	20

Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.

Depending on the type of component replaced on the heating and air conditioning system, it may be necessary to the top up the refrigerant oil, even if no measurable losses have occurred during drawing off. Follow the notes provided by the heating and air conditioning system manufacturer, taking account of the tolerances (and inaccuracies) indicated in the operating instructions of the relevant service station.

Information on the required refrigerant fill quantity for the entire heating and air conditioning system is contained on the type plate (1) in the engine compartment.

Fig 2: Identifying Engine Compartment Plate

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, refer to the Technical Data for capacity. See AMOUNT OF REFRIGERANT or AMOUNT OF REFRIGERANT (WITH REAR AIR CONDITIONING) .