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B46/B48 Turbo Upgrade
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10-10-2021, 02:45 AM
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Serial BoX
Poor 4 series
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Drives: 2018 430 iX
Join Date: Sep 2021
Location: Wisconsin
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Bumping this thread as my 2018 430i with a JB4 w/ intake and DP is running a stage 2 tune. But its coming out of warranty and looking to upgrade the turbo. Has anyone started to play around with the B46/B48 turbo upgrades yet?
Appreciate
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Serial BoX
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