BMW X3 2017 3.0 diesel service and maintenance

Engine oil

Engine oil capacity: 6.5 litres (6.9 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30, 5W-40

Timing chain

Manufacturers recommended timing chain replacement interval for BMW X3 3.0 diesel is 200,000 km.
Based on real life experience, the BMW X3 2017 30d xDrive timing chain change interval is approximately 120,000 km as at this mileage it may become overstretched and require replacement, so it is recommended to check the condition of the chain periodically after this mileage is reached and replace the timing chain if it becomes excessively stretched or if unusual engine noises occur.