BMW 3 series sport line is one of the best car of BMW, specially to indians it had been the most selling car from BMW in india. It have the best mileage compare to other series. Main reason to purchase this car is that the car is available in diesel, which is really a good help you for in terms of maintenance. Parts are available in the market. It is the only car which beat Mercedes C Class with its features and design. Its a fact that you will see more numbers of BMW 3 series compare to C-Class in india.