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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Heating And Air Conditioning - Repair) >> Auxiliary. Heater With Control Elements >> 64 12 089 Removing and installing/replacing silencer (auxiliary heater)

64 12 089 Removing and installing/replacing silencer (auxiliary heater)

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WARNING: Risk of burning!
Work on auxiliary heater may only be carried out when it has cooled down.

Necessary preliminary work: 

Removal: 

Slacken clamp (1).

Release screw (2) and remove silencer (3).

Fig 1: Identifying Silencer, Clamp And Screw
G09949964Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Position silencer (3) correctly.

Tighten down screw (2).

Tighten clamp (1).

Fig 2: Identifying Silencer, Clamp And Screw
G09949964Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking: