64 52 523 Replacing A/C system compressor

WARNING: This page is about a different car, the 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Risk of injury!

Avoid contact with refrigerant and refrigerant oil.

Follow safety instructions for HANDLING R 134A REFRIGERANT .

Refrigerant circuit is under high pressure!

Follow safety instructions for HANDLING REFRIGERANT OIL .

IMPORTANT:

Risk of damage!

Restart engine only when A/C system has been correctly filled.

READ AND COMPLY WITH NOTES ON REPLACING COMPRESSOR .

Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit!

If A/C system is opened for more than 24 hours:

REPLACE desiccant insert for heating and air conditioning system.

Necessary preliminary tasks:

DRAWING OFF REFRIGERANT FROM A/C SYSTEM is not included in the time value of this operation
Replace COMPRESSOR DRIVE BELT
Remove left CHARGE-AIR DUCT

IMPORTANT: Seal openings or lines on compressor with special plug tool 32 1 270 to prevent escape of media and dirt contamination.

Release screw (1).

Fig 1: Locating Screw

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NOTE: Schematic diagram similar F01.

Release screws (1) and remove refrigerant lines.

Tightening torque: 20 Nm

Installation note:

Replace sealing rings.

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

Unfasten plug connection (2) and disconnect.

Fig 2: Locating Screws And Connector

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Release screw (1).

Tightening torque: 21 Nm

Fig 3: Locating Screw

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Release screw (1).

Tightening torque: 21 Nm

Fig 4: Locating Screw

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IMPORTANT: Seal openings or lines on compressor with special plug tool 32 1 270 to prevent escape of media and dirt contamination.

NOTE: Secure compressor (2) against falling off/down.

Release bolt (1) and lift out compressor (2).

Tightening torque: 21 Nm

Fig 5: Identifying Compressor And Bolt

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Installation note:

Fitting sleeves (1) must not be damaged.

Replace damaged fitting sleeves.

Fig 6: Locating Fitting Sleeves

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After installation:

EVACUATE AND FILL A/C SYSTEM