Spare parts are very costly. Earlier these were not so much highly charged.Company should not ditch the customer after selling the car.Its not a friendly relationship when you chage the customer double the rate of purchase price at showroom.In fact your relationship is not growing in size because of your overcharges.A customer sells your car better and greater than your salesmen and the advertisements.The customer is your introducer. But you are ditching the customer itself. After sales service policy is the worst and Nissan can not grow with the higly inflated charges of service, labour charges and Spare Parts.