Why is my Audi A4 producing a strange engine noise?

I recently noticed that my Audi A4 is making a weird noise coming from the engine. It's not loud, but it's definitely noticeable. Can anyone provide some insight on what could be causing this and if it's something I should be concerned about?

Hi Natalie, it's important to have your Audi A4 checked by a certified mechanic as soon as possible. A strange engine noise could be a sign of a bigger issue, and it's always better to address it sooner rather than later.