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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Turbo upgrade B48
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      08-02-2020, 05:02 AM   #1
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Drives: 430i x-drive
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Turbo upgrade B48

Hello. Does anyone have experience in upgrading turbo on B48 4-cylinder engine? I drive that car daily.

Do you recommend doing it and with which turbo? I looked at pure turbos 2stage and it will push 400hp. Is it reliable or will blow my engine? Do I need to upgrade engine parts for handling more power?

Is JB4 tune enough? Do I need bigger heat exchanger or stock is fine. Which heat exchanger do you recommend at best price?
Appreciate 0
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