64 11 208 Replacing heater core (automatic A/C)

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Unfasten clip from left air duct, twist air duct and pry out.

Fig 1: Removing Left Air Duct

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Installation:

Fit air duct to end wall, twist and insert at bottom of microfilter.

Fig 2: Installing Air Duct

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

Unfasten water hoses (1 to 3) on the end wall. Carefully blow through lines to remove remaining coolant from heating element.

Fig 3: Removing Water Hoses

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Installation:

Filling and bleeding the cooling system, refer to 17 00 039 BLEEDING COOLING SYSTEM AND CHECKING FOR WATER LEAKS .

Remove center console, refer to procedure in 51 16 200 REMOVING AND INSTALLING ODDMENTS TRAY .

Remove trim for instrument panel (lower section), refer to 51 45 030 REMOVING AND INSTALLING TRIM FOR INSTRUMENT PANEL (LOWER SECTION) .

Remove lower section of steering column casing with footwell trim. See STEERING COLUMN LOWER TRIM SECTION

Remove left footwell air duct. See 51 45 185 REMOVING AND INSTALLING/REPLACING TRIM FOR PEDAL ASSEMBLY

Release screws and pull out left footwell air outlet in direction of arrow.

Fig 4: Removing Left Footwell Air Outlet

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Unfasten screws and remove pipes.

Fig 5: Removing Pipes

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Installation:

Replace sealing rings.

Unfasten screw and remove bracket.

Fig 6: Removing Bracket

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Unhook servodrive for footwell ventilation and place to one side.

Fig 7: Unhooking Servodrive For Footwell Ventilation

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Unhook retaining lugs (1) and pull out right footwell air outlet in direction of arrow.

Fig 8: Removing Right Footwell Air Outlet

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NOTE: For purposes of clarity, the following shows the heater/air conditioner removed.

Unclip retainer (1).

Release screws (2) and pull heater core cover (3) in direction of arrow out of guide.

Fig 9: Removing Heater Core Cover

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Installation:

Make sure guide is correctly seated.

Fig 10: Installing Heater Core Cover

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Pull out evaporator temperature sensor (1) in direction of arrow and set to one side.

If necessary, close footwell flap (2) in direction of arrow.

Pull out heater element (3) in direction of arrow.

Fig 11: Removing Heater Element

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CAUTION: Do not bend cooling fins.
If necessary, clean or align cooling fins with fin comb.