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For the past month or so, I've been leaking oil about 1 quart per 7500 miles. No codes or SES. I took off the splash guard and the air filter box and was looking around.

Sure enough I found hose #4 to be leaking as described in the thread. Before coming across this thread I was thinking of replacing the CCV and all the hoses. However if i only have to replace hose #4 and if it is quite easy, I'd rather do that. The oil separator is not leaking at the moment. What do you think?

Btw i have 2005 330i with 80K miles.
 
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