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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 299 (Airbag, Audio, Navigation And Anti-Theft - Repair) >> Radio, Audio Amplifier, HEADUNIT >> 65 12 071 Removing and installing/replacing amplifier (HiFi)

65 12 071 Removing and installing/replacing amplifier (HiFi)

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IMPORTANT: Read and comply with NOTES on protection against electrostatic damage (ESD protection).
NOTE: Comply with notes and notes on HANDLING OPTICAL FIBRES .

Necessary preliminary work: 

Removal: 

Release screw (1).

Unlock and disconnect connector (2).

Disengage amplifier (3) upwards out of holder.

Fig 1: Identifying Amplifier, Connector And Screw
G09950097Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

NOTE: Picture for example purposes.
NOTE: Tabs (1) must be correctly inserted into guide (2).

Check amplifier (3) for secure fit.

Fig 2: Identifying Amplifier Tabs And Guide
G04797335Courtesy of BMW OF NORTH AMERICA, INC.

Engage amplifier (3) downwards into holder.

Tighten down screw (1).

Connect connector (2) and lock.

Fig 3: Identifying Amplifier, Connector And Screw
G09950097Courtesy of BMW OF NORTH AMERICA, INC.

Required reworking: 

Replacement: 

Carry out VEHICLE PROGRAMMING AND ENCODING .



IMPORTANT: Read and comply with NOTES on protection against electrostatic damage (ESD protection).
NOTE: Comply with notes and instructions on HANDLING OPTICAL FIBRES .

Necessary preliminary work: 

Release screw (1).

Detach amplifier (2) in direction of arrow from holder (3).

Fig 1: Detaching Amplifier From Holder
G09950100Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Tabs at marked points must engage correctly in bracket.

Fig 2: Locating Bracket Tabs
G09950101Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out VEHICLE PROGRAMMING AND ENCODING .