What oil does BMW 520d m sport use and how often needs service?

The BMW 520d M Sport typically uses BMW's Longlife-04 engine oil, which is a synthetic oil designed to meet the vehicle's specific performance requirements. It's recommended to change the oil and filter every 10,000 to 15,000 miles or annually, depending on driving conditions and habits. Regular check-ups and adhering to the vehicle's service indicator will help ensure optimal performance. Always consult the owner’s manual for the most accurate recommendations.