No dont do it!!
I had a beosystem 2500 which was the predesessor to the ouverture - the glass doors are supposed to be removeable.
They will simply clip back into place in the metal bracket.
This is assuming the ouverture assembly was the same as mine.
Regards
Michael
BV5, BV Avant, MX4000, MX1500
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Penta III, Penta II, BL 4000, RL 60.2, RL 35, CX-100 Alu
BL 7000, MCP6500, MCP5500, BL 5000, Beo4 (x2), BL 1000 (x2)