

The most common other causes: the bluetooth module (MULF or MULF 2) and the sound amplifier (TOP-HIFI, also known as Logic 7). Another module connected to the fiber optics ring is faulty and prevents the proper functioning of the CCC iDrive.If a disk does not come out by itself, please do not force it out (as this may cause mechanical damage). The CCC has trouble reading the CD / DVD.

In case of sound issues, always start with checking: (1) speakers (2) fuses, in case of total lack of sound (3) sound amplifier (if your car has one) (4) connections leading to the speakers.


The CCC head unit functions when the car is cold, but fails to work when the car is warm.The iDrive is fully functional on some days, but fails to boot successfully on other days, most likely when the weather is warmer.The CCC iDrive does not boot completely: when started, it remains stuck on the BMW logo.CCC iDrive reset: the CCC head unit reboots continuously, as a result your screen cycles between the BMW logo and a black screen.The most common symptoms of a BMW CCC failure:
