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Old 12-19-2012, 02:13 AM
actletpone actletpone is offline
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Location: New Zealand
Join Date: Dec 2011
Posts: 119
Mein Auto: E30 320i
Originally Posted by _Ethrty-Andy_ View Post
this is the genuine one in my E30 316i (m40) same filter as 318i

no idea what that plug just dangling there is for, but the car runs as it should so never bothered to find out! let me know if you know?
Maybe it use to have a charcoal canister which has been deleted to vent the fuel vapors back into the intake and that plug was for the breather valve?
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