I'll admit that I am no expert, and can't comment on bore, but I think you are very likely to have offset issues particularly with the rears. I used the standard stock staggered rear wheel fitment of 8.5 width + 37 as a starting point in the fitment calculator and you are basically taking all of the extra width of the 9.5 in wheel and putting it towards the curb side of the wheel well.
From my time spent reviewing posts on fitment, offsets on 5 series and M3 wheels generally tend to be too aggressive for an E90/E92.
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