They may be giving you sizes for the f-code cars. 20s on an e90 are huge to begin with though. 245/285r25 might work out better.
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2018 PB/Black G01 X3M40i | 699M | ZDA | ZPP | ZPX | Maxton front lip | X3M vents | 15mm Spacers | Diamond G20 style grills
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