BMW 7 Series Service Cost (5 Year) of 740Li Petrol, 730Ld Diesel & 745Le PHEV. Service interval is 1 year & 8,000 km. Warranty  BMW 7 Series is offered with 3 years / unlimited km of standard warranty. BMW 7 Series 5 Year Service Cost  No. Of Service  Schedule  740Li Petrol 730Ld Diesel 745Le PHEV … Continue reading BMW 7 Series