This bulletin applies to 2010 BMW 328i models equipped with the optional CIC navigation system professional.
After a repair on or around the CIC, various malfunctions can occur (navigation system failures, audio failures, and miscellaneous failures).
The reading head of the HDD (integrated in the Car Information Computer) can be damaged due to heavy shocks/vibrations.
To prevent damage to the reading head of the HDD during a repair on or around the CIC (fitting dashboard panels, interior trims, etc.), first disconnect the battery and disconnect and remove the CIC.