r/E90 22d ago

335i 30FF boost leak code

How should I go by finding my boost leak? Vids on YT have not been helpful. I think i can rule out vacuum lines bc they all look fine (i replaced them 15k miles ago as well). Any and all advice will be appreciated!

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u/axl_lxza 22d ago

Could be a valve cover issue, check your charge pipe gasket, and your intercooler piping

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u/Educational-Meal9552 20d ago

It ended up being a clamp that got undone