65 12 072 Removing and installing (replacing) amplifier (Top HiFi system)

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

IMPORTANT: Comply with instructions on HANDLING OPTICAL FIBRES .

Necessary preliminary work:

Clamp off NEGATIVE BATTERY CABLE .
Remove LUGGAGE COMPARTMENT WHEEL ARCH PANEL ON LEFT .

Release screw (1).

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

Unlock plug connections and disconnect.

Fig 1: Removing Amplifier From Holder

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Until 09/2009 a Top Hifi amplifier with a different pin assignment is installed!

Install cable jumper consisting of socket (1) (BMW Parts Service 6901844) and wire jumper (2) in connector (3).

Create wire jumper (2) from wire (cross-section 0.75 mm² ) and two stops (BMW Parts Service 1393724). Then connect pins 1 and 2 in socket (1) with wire jumper (2).

Fig 2: Identifying Socket, Wire Jumper, Connector And Connector Chamber

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Connector chamber (4) is not included in current version and remains unused in new replacement Top HiFi amplifier!

NOTE: Picture for example purposes.

Installation note:

Tabs (1) must be correctly slid into guide (2).

Check that amplifier (3) is securely seated.

Fig 3: Identifying Guide, Amplifier And Tabs

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out VEHICLE PROGRAMMING AND ENCODING .