64 53 761 Pressure line from connecting piece to rear heater - A/C system (F02 only)

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 030

WARNING: Danger of injury!

Refrigerant circuit is under high pressure!

Avoid contact with refrigerant and refrigerant fluid.

Read and comply with SAFETY INFORMATION .

Observe SAFETY INSTRUCTIONS for raising the vehicle

IMPORTANT: Risk of damage!

Restart engine only when air conditioning system has been correctly filled.

Follow notes for OPENING AND REPLACING PARTS IN REFRIGERANT CIRCUIT .

If air conditioning system is opened for more than 24 hours:

Replace desiccant insert for A/C system. See REPLACING DESICCANT INSERT or REPLACING DESICCANT INSERT (CAPACITOR REMOVED) .

To ensure that the refrigerant is almost completely drained from the rear air conditioner:

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

Necessary preliminary tasks:

DRAW OFF/EVACUATE the air conditioning system
Remove ENTIRE EXHAUST SYSTEM .
Remove heat shield at rear.
Remove UNDERBODY PANELLING .

Slacken nut (1).

Take off holder (2).

Fig 1: Identifying Automatic Rear Air-Conditioning System Holder And Nut

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IMPORTANT: Secure rear axle support against falling out.

Slacken screws (1) on right compression strut (2), do not unscrew fully.

Tightening torque 33 33 2AZ .

Slacken screw (3) (do not unscrew fully).

Tightening torque 33 33 1AZ .

Fig 2: Identifying Right Compression Strut And Screws

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Slacken screws (1) on rear axle support at rear right (2), do not unscrew fully.

Tightening torque 33 33 1AZ .

Gently lower rear axle at rear right to make it easier to feed out refrigerant lines later.

Fig 3: Identifying Rear Axle Support At Rear Right And Screws

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Unlock and open respective clamp (1).

Fig 4: Identifying Respective Clamp

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Release screw (1).

Disconnect pressure line (2) from pressure line (3).

Installation note:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Fig 5: Identifying Pressure Lines And Screw

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Unclip pressure line (1) from holder (2).

Fig 6: Identifying Pressure Line And Holder

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Release corresponding screw (1).

Tightening torque 64 53 5AZ .

Carefully detach respective refrigerant line (3) downwards from expansion valve (2).

Installation note:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Fig 7: Identifying Refrigerant Line And Expansion Valve

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Unlock and open respective clamp (1).

Feed out corresponding refrigerant line (2) between vehicle underbody and rear axle support (3).

Fig 8: Identifying Refrigerant Line And Clamp

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After installation:

Evacuate and fill A/C SYSTEM .