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

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. 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: Identifying Screw, Amplifier And 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 Cable Jumper, 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 Tabs, Guide And Amplifier

Courtesy of BMW OF NORTH AMERICA, INC.