BMW X5 Owners & Service Manuals

BMW X5: Removing And Installing/Replacing Heater

WARNING: Avoid contact with refrigerant and refrigerant oil.

Follow safety instructions for handling refrigerant R 134a.

Follow safety instructions for handling refrigerant oil.

IMPORTANT: Risk of damage Restart engine only when A/C system has been correctly filled.

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

Necessary preliminary tasks:

Recycling

Coolant emerges when coolant lines are detached. Have a suitable collecting container ready.

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Release screw (1) and remove refrigerant lines with cover (1) and associated seal.

Tightening torque. Replace sealing rings and moisten with refrigerant oil.

Heater With Operation
Fig. 3: Identifying Refrigerant Lines With Screw

IMPORTANT: Connections must not be mixed up! Mark connection sequence of water hoses prior to removal.

Release hose clamps (1) and detach water hoses.

Heater With Operation
Fig. 4: Identifying Hose Clamps

Release nut (1) and nut (2) underneath.

Tightening torque.

Heater With Operation
Fig. 5: Identifying Nut

Release screws (1) and remove windscreen air guide (2).

Heater With Operation
Fig. 6: Identifying Windscreen Air Guide With Screws

Release screw (1).

Tightening torque.

Heater With Operation
Fig. 7: Identifying Heater Screw

Release screw (1).

Tightening torque.

IMPORTANT: Cover vehicle interior with protective cover to prevent interior being fouled by escaping coolant.

Feed out heater (2).

Heater With Operation
Fig. 8: Identifying Heater Screw

Replacement:

Installation:

Water drain (1) must be inserted on both sides into outlet channel (2).

IMPORTANT: In the event of incorrect fitting, there is a risk of leakage in the passenger compartment!

Heater With Operation
Fig. 9: Identifying Water Drain With Outlet Channel

After installation:

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