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BMW 3-Series (E90 E92) Forum
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Possible Vacuum Leak?
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| 01-28-2026, 10:47 AM | #1 |
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Possible Vacuum Leak?
So I just replaced my starter on my E90 330, and now i’ve got code P0444. It isn’t my gas cap, just wondering what are the chances I broke a PCV hose or something without realizing it and caused a leak? I broke the one near the back from the valve cover to the intake and that was replaced, thinking maybe it’s the oil separator return? would that cause that?
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