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@deleted
Drive side is attached to BB spindle so if this is wobbling at crank arm / BB interface the thing is fucko'd if the other side is wobbling then same deal as should only be wound up to 1.5 Nm then torqued using the pinch bolts on non-drive side crank arm or just bolted straight in using and M8 (crank dependant).
BB30 uses press fit BB cups, it's most likely these aren't sat properly in the frame or the frame has previously had them installed badly and has warped around BB cup so the 'wobble' or 'give' you can feel is actually the crank and BB assembly twisting in the frame.
Either way it ain't good.
If I could look at it I'd tell you in 2 minutes, hard to diagnose with description though. Jim at Brixton Cycles could tell you for sure.
Good luck.