65 12 071 Removing and installing/replacing amplifier

Necessary preliminary work: 

• Clamp off NEGATIVE BATTERY CABLE
• Remove LEFT LUGGAGE COMPARTMENT WHEEL ARCH TRIM

Unscrew nuts (1).

Unfasten plug connection (2) and disconnect.

Remove amplifier (3).

Fig 1: Identifying Amplifier, Plug Connection And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out VEHICLE PROGRAMMING/ENCODING