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)
2010 BMW 535xi Wagon AWD (E61) L6-3.0L Turbo (N54) Page 386
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.
