What motor oil BMW 745i?

The BMW 745i typically requires synthetic motor oil that meets BMW's Longlife specifications, particularly BMW Longlife-01 or Longlife-04. The recommended viscosity is usually 0W-30 or 5W-30, depending on the climate and driving conditions. It's important to refer to the owner's manual for specific recommendations based on the model year and engine type to ensure optimal performance. Regular oil changes are crucial to maintain engine health.