I use a Bed Bath and Beyond 20% off coupon... just fold it to follow the corner of the screen and it fits perfectly that groove. Similarly, a thick piece of card stock should do the trick as well.

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2022 X5M Comp Dravit Grey/Full Silverstone
Previous:
2018 M5 Black/Full Silverstone
2015 X5M Donington Grey/Full Silverstone
2010 X5M Space Grey/Full Silverstone
2003 4.6is Silver/Black