Cellular Phone - iPhone 3G(R) Hard To Understand
SI B 84 04 09
Communication Systems
June 2009
Technical Service
This Service Information bulletin supersedes SI B84 04 09 dated March 2009.
[NEW] designates changes to this revision
SUBJECT
The Landside Person Finds the Caller Speaking from an iPhone 3G Hard to Understand
2010 BMW 550i Sedan (E60) V8-4.8L (N62TU) Page 250
MODEL
E82, E88 (1 Series)
E90, E91, E92, E93 (3 Series)
E60, E61 (5 Series)
E63, E64 (6 Series)
F01, F02 (7 Series)
E70 (X5)
E71 (X6)
[NEW] Vehicles produced from 2/28/07 to 8/30/09 equipped with ZPP (Premium Package) or SA 639 (BMW AssistTM)
SITUATION
The person on the landside cannot hear the driver speaking, or can only hear him or her very faintly or poorly.
Sometimes the driver may only be heard intermittently. An Apple iPhone 3G with software 2.2 or 2.2.1 is used.
CAUSE
Apple iPhone software Bluetooth handling
[NEW] PROCEDURE
Do not replace any parts or update the vehicle software.
Update the Apple iPhone software to OS 3.0 (available from Apple).
After the phone software update, it may be necessary to delete the iPhone paired to the vehicle and then pair it again, in order for the phone to
