What is the recommended oil for a 1997 BMW 740i?

For a 1997 BMW 740i, the recommended oil is a high-quality synthetic oil with a viscosity rating of 5W-30. It's important to choose an oil that meets the BMW Longlife specifications, such as BMW LL-01. Regular oil changes using the recommended oil will help maintain engine performance and longevity. Always consult your owner’s manual for specific recommendations.