64 52 524 Replacing A/C system compressor (N62)

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Read and comply with warnings relating to working on A/C systems, refer to 64 52 ... NOTES/INSTRUCTIONS ON WORKING ON AIR-CONDITIONING SYSTEMS .

Necessary Preliminary Tasks:

Remove front assembly underside protection, refer to 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
Remove A/C compressor drive belt. Refer to 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (N62) .
Release stabilizer on front axle, refer to FRONT ACTIVE STABILIZER BAR .

NOTE: The time value given for this work operation does not include drawing off, evacuating and filling the A/C system!

Drain off air conditioner, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .

IMPORTANT: Do not place front panel center section (2) on jump start terminals. Do not kink Bowden cables for engine hood locking.

Release screws (1).

Remove front panel center section (2) in direction of arrow and place to one side.

Fig 1: Locating Front Panel Center Section Retaining Screws

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Release screws (1) and feed out refrigerant lines (2).

Tightening torque, refer to 64 53 6AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .

Fig 2: Identifying Refrigerant Lines Retaining Screws

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Release screw (1) and disconnect coolant line connection.

Fig 3: View Of Coolant Line Connection

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Installation:

Replace all sealing rings.

Tightening torque, refer to 64 53 6AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .

Release bolt (1) and remove bracket for oil lines (2).

Fig 4: Identifying Bracket For Oil Lines (2)

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Tightening torque, refer to 32 41 17AZ in .

IMPORTANT: Secure compressor (1) against falling out.

Disconnect plug connection (2).

Release screw and nut (3).

Release bolts (4) and feed out compressor (1) downwards with refrigerant lines.

Fig 5: Locating A/C Compressor

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Tightening torque, refer to 64 52 3AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .

Adapter sleeves (1) must not be damaged.

Fig 6: Identifying Adapter Sleeves

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Replace damaged adapter sleeves.

Replacement:

Release screws (1) and remove refrigerant lines.

Fig 7: View Of Refrigerant Lines

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Installation:

Replace all sealing rings.

Tightening torque, refer to 64 52 1AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUE - E60 .