Quote:
Originally Posted by dronius
I had 30FE "overboost" error code thrown on 2008 E92 335xi, no engine mods. It went into limp mode when throttle was closed after hard acceleration.
Reason turned out to be turbo vacuum control solenoids, replaced both of them and so far running nicely.
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Mine still does this occasionally but it also will go into limp mode from just cruising, or giving light throttle, which makes me think it might not be the solenoids. Did yours only happen after a hard pull?