what happens with a minor oil leak from the vacuum pump? on 2006 BMW 550i

from time to time when driving up a hill, right after starting the car, it will make a noise that is a rough sound. it has always stopped but now I learn I have a minor oil leak. can this be serious?

by in Morro Bay, CA on August 09, 2010
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1 answer
ANSWER by , August 11, 2010
no, it it merely and inconvenience the noise it to be diagnosed by a technician