What Causes Metal Shavings in Your Porsche's Oil? If you notice that there are metal shavings in the oil of your Porsche, then you should know that something is not right with your engine. These shavings can be due to various factors. Let's discuss the causes of metal shavings in your Porsche’s oil and where you can seek help. What Makes Metal Shavings Appear In Your Oil   Engine Wear and Tear: The primary cause of metal shavings in your oil is regular and expected wear of your engine’s metals. While your Porsche’s engine is running, the metal parts move and come into contact with one another. This friction will, in a while, lead to the shedding of small metallic particles and these will circulate in the oil. Although it is not uncommon to find a little metal shavings in your oil, however, if you find ... read more