BMW 3 Series Service Cost (5 Year) of 330i Petrol & 320d Diesel engine. Service interval is 1 year & 8,000 km. Warranty  BMW 3 Series is offered with 3 years / unlimited km of standard warranty BMW 3 Series 5 Year Service Cost  No. Of Service  Schedule  330i Petrol 320d Diesel 1st service 1 … Continue reading BMW 3 Series