Why is there oil coming from the bolts on the left side of the valve cover? on 2003 BMW 325i

I supposenly had the valve cover replaced. I am beginning to wonder if the job was done. I am at the mercy of the mechanic who did the work. I had a burnt oil smell come from the vents when the heater was on. How would I know if the valve cover gasket was replaced. Should I have it replaced again to be sure. Will replacing the bolts fix the oil leak?

Asked by for the 2003 BMW 325i
return for poss warranty work
1 more answer
Replacing the bolts will not fix the leak. Sounds like the valve cover gasket was not done properly or those bolts you noticed were not tightened correctly. Check bolts to see if they are indeed tight. How long ago was it replaced?
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