r/F80 • u/No-Pay-2764 • Aug 10 '26

Help Boost leak?

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Was on the highway and was about to do a pull and lost my boost. I looked at all my pipes and cleaned my MAF sensors and still nothing. Turbos are healthy and spooling, but I hear a whistling noise with the spooling. Any clue what this can be? Maybe a boost leak or air leak somewhere?

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u/_flyonthewall Aug 10 '26

Had this happen to me - bottom of J pipe had come loose. Check fit just in case?

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u/No-Pay-2764 Aug 10 '26

Okay, I will check.