64 11 205 Removing and installing / replacing heater (automatic air conditioner)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.

Draw off, evacuate and fill A/C system, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .

Remove heater bulkhead, refer to 51 71 080 REMOVING AND INSTALLING/REPLACING HEATER BULKHEAD .

S54 Only:

Remove intake air manifold. See 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (M54)

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

Release hose clamps (1) and (2).

Fig 1: Releasing Hose Clamps

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Detach water hoses.

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

Installation:

Filling and bleeding the cooling system.

Release screw.

Fig 2: Releasing Screw

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Unfasten screws.

Remove pressure and intake pipes.

Fig 3: Removing Pressure And Intake Pipes

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Installation:

Replace sealing rings.

If necessary, release unlocking mechanism and remove circulating air flap.

Fig 4: Removing Circulating Air Flap

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Release nut (1) and lay double pipe (2) to one side.

Fig 5: Releasing Nut And Lay Double Pipe To One Side

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Installation:

Replace sealing rings.

Release screws (2) on bulkhead (1).

Fig 6: Releasing Screws On Bulkhead

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Remove panel for instrument panel, refer to 51 45 030 REMOVING AND INSTALLING INSTRUMENT PANEL TRIM .

Remove complete storage tray. See 51 16 200 REMOVING AND INSTALLING STORAGE TRAY

Release shear screw (1) (e.g. mill off or rebore screw head). Unscrew bolt (2).

Fig 7: Releasing Shear Screw

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Release screws and lower steering column.

Fig 8: Releasing Screws And Lower Steering Column

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Release screw.

Fig 9: Releasing Screw

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Detach door seal (1) and trim (2) on A-pillar on left and right in direction of arrow.

Fig 10: Detaching Door Seal And Trim On A-Pillar On Left And Right

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Unfasten transverse reinforcement on right and left.

Fig 11: Unfastening Transverse Reinforcement On Right And Left

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Release head airbag on transverse reinforcement on right and left.

Fig 12: Releasing Head Airbag On Transverse Reinforcement On Right And Left

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Disconnect heater plug connections.

Fig 13: Disconnecting Heater Plug Connections

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

Fig 14: Unfastening Transverse Reinforcement On Right And Left Sides Of Center Console

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If necessary, cut open cable ties (1).

Fig 15: Identifying Open Cable Ties

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

Fig 16: Turning Lock On Left And Right On Fuse Box

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

Remove transverse reinforcement.

Remove heater - A/C unit.

Installation:

Make sure condensate drain is correctly seated.