Cell Phone - Humming Noise From Vehicle Speakers

SI B 84 06 09
Communication Systems

May 2009
Technical Service

SUBJECT
Telephone: Humming or Pulsing Noise Coming from the Vehicle Loudspeakers

MODEL
E60, E61 (5 Series)

E63, E64 (6 Series)

E70 (X5)

E71 (X6)

E82, E88 (1 Series)

E90, E91, E92, E93 (3 Series)

F01, F02 (7 Series)

All vehicles equipped with SA 06NF (Smartphone Integration)

SITUATION
A humming or pulsing noise is heard from the vehicle loudspeakers when the iPhone is inserted into the snap-in adapter. The noise occurs regardless of which audio source has been selected.

CAUSE
Snap-in adapter hardware

PROCEDURE

1. Check the operation of the phone, using the customer's telephone to verify the problem as described above.

2. If the problem exists, check the hardware number on the label on the underside of the snap-in adapter.

3. If the hardware number is less than 3.0 for Apple iPhone 3G or 2.0 for Apple iPhone, replace the snap-in adapter. If the hardware number is correct, perform standard troubleshooting.

4. Recheck the functionality of the system with the new snap-in adapter.





PARTS INFORMATION





WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.





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