What's the best way to maintain the engine of an Audi A4?

I recently bought an Audi A4 and want to make sure I properly maintain the engine to ensure its longevity. What steps should I take?

Regularly change your oil and filter every 5,000 miles to keep the engine running smoothly.

Use only high-quality, synthetic oil for your engine. It may be more expensive, but it will protect your engine and improve performance.

Don't forget to regularly check and top off your engine coolant to prevent overheating and potential engine damage.