Ok finally I got the enough courage with the suitable tools and opened the mirror cover -be careful this is dangerous and I was about to break it even it’s so easy to be broken- ……. Found lots of greasy dust but nothing loose!! There are 2 metal pins I took them out then in but still the problem is there….
Stop!!!!!!!
Don’t tell me I have to change the mirrors there must be a solution for that

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2008 BMW X5 4.8i
Navigation
Bluetooth
Rear Entertainment
Aerodynamic kit
DVD, CD, TV
Projection