There are already plenty of G8x that are running high 9's and you don't even need upgraded turbos.
Last week my local guy ran 9.87 @ 137 with just tune, downpipes, PI and E85. Street tires. 716whp. XDrive.
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2024 BMW M4 Competition XDrive - Tanzanite Blue/Kyalami Orange - AST HAS - RaceChip
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