A competent wheel repair facility can true a bent wheel - you just need to find them & compare the repair cost to the cost of a new (or new to you) wheel.
Try posting in the regional section to see if anyone knows of an experienced local shop:
https://www.2addicts.com/forums/forumdisplay.php?f=563
You might get more attention on the 3er forum:
https://f30.bimmerpost.com/forums/fo...play.php?f=405
Good luck!
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2015 BMW 228i in EstorilBlau II Metallic / Terra Dakota Leather - 6-speed manual, M Sport Package, Cold Weather Package, Lighting Package, Premium Package, Harman Kardon premium sound, Anti-theft alarm system, Blue Metallic Matt Accent Moldings, Aluminum Hexagon Interior Strips, Anthracite Headlining