Oil change intervals?

I run synthetic in my 81 bmw 318is, so i can change the oil every 7500 miles?

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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: Making Sense of Synthetic Lubricants

[Wayne 962]

It's not so much the oil that breaks down, it's that it may get contaminated with gas and oil. So, regardless of what type of oil you run, I still like to recommend oil changes at 3,000 miles or so. It keeps everything fresh, and is probably the best thing you can do for your car. I myself typically get lazy, and change anywhere from 3000-5000 on my own cars.

- Wayne