2006 BMW 550i Q&A
2006 BMW 550i Question: what happens with a minor oil leak from the vacuum pump?
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? - Visitor
no, it it merely and inconvenience the noise it to be diagnosed by a technician - Chow