64 11 205 Removing And Installing / Replacing Heater (Automatic Air Conditioner)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. 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 (S54)

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. Refer to 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (S54) .

Release screw.

Fig 2: Releasing Screw

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Unfasten screws.

Fig 3: Removing Pressure & Intake Pipes

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Remove pressure and intake pipes.

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: Laying 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. Refer to 51 16 200 REMOVING AND INSTALLING STORAGE TRAY .

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

Fig 7: Releasing Shear Screw

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Unscrew bolt (2).

Release screws and lower steering column.

Fig 8: Lowering 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

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Unfasten transverse reinforcement on right and left.

Fig 11: Unfastening Transverse Reinforcement

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Release head AIRBAG on transverse reinforcement on right and left.

Fig 12: Releasing Head AIRBAG On Transverse Reinforcement

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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

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If necessary, cut open cable ties (1).

Fig 15: Folding Down Fuse Box

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

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

Fig 16: Removing Transverse Reinforcement

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Remove transverse reinforcement.

Remove heater - A/C unit.

Installation:

Make sure condensate drain is correctly seated.