Touble shooting for Audio problem for Android BMW Navigation Problems when you play music/video or other functions on your Android BMW Screen:
1. Volume is too low even if you have set the highest volume in SETTING
2. There is noise or sound is weird
3. Left or Right Audio Chanel only
Step1: Find the fuse box on power cable
Step 2: Find the cable near fuse box which is used to short circuit the cable in fuse box
Step 3: Open the fuse box
Step 4: Disconnect the cable in fuse box
Step 5: After disconnected the cable from fuse box, it looks like this
Step 6: Because for some of the cars, the audio is influenced by fuse box, connect these two cables, so that the sound will never go through fuse box.
