64 11 200 Removing and installing/replacing heater

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove heater bulkhead. See 51 71 080 REMOVING AND INSTALLING/REPLACING HEATER BULKHEAD

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Release hose clamps (1) and (2).

Detach water hoses.

Carefully blow through lines to remove remaining coolant from heating element.

Installation:

Fill and vent cooling system.

Fig 1: Releasing Hose Clamps

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Release screws (2) on firewall (1).

Fig 2: Releasing Screws On Firewall

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Remove panel for instrument panel. See 51 45 030 REMOVING AND INSTALLING INSTRUMENT PANEL TRIM

Remove center console. See 51 16 200 REMOVING AND INSTALLING STORAGE TRAY

Release shear screw (1) (e.g. mill off or rebore screw head).

Release screw (2).

Fig 3: Releasing Shear Screw

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Release screws and lower steering column.

Fig 4: Releasing Screws & Lower Steering Column

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Release screw.

Fig 5: Releasing Screw

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Detach door weatherseal (1) and trim (2) on A-pillar on left and right.

Fig 6: Detaching Door Weatherseal & Trim

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Unfasten transverse reinforcement on right and left.

Fig 7: Unfastening Transverse Reinforcement On Right & Left

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WARNING: Version with side airbag:
Follow safety instructions for working on cars with airbag systems.

Release head airbag on transverse reinforcement on right and left.

Fig 8: Releasing Head Airbag On Transverse Reinforcement On Right & Left

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Disconnect heater plug connections.

Fig 9: Disconnecting Heater Plug Connections

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Unfasten transverse reinforcement on right and left sides of center console.

Fig 10: Unfastening Transverse Reinforcement On Right & Left Sides Of Center Console

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Cut open cable ties (1).

Turn lock (2) on left and right on fuse box through approx. 90° and fold down fuse box.

Fig 11: Cutting Open Cable Ties

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Disconnect pivot (1) of fuse box on left and right at transverse reinforcement towards top.

Remove transverse reinforcement.

Remove heater.

Fig 12: Disconnecting Pivot Of Fuse Box On Left & Right

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