The data indicates that the majority of BMW 3 Series (2005-12) 318I 129 4DR Saloon 2.0 Sport Auto vehicles are equipped with a 1995cc engine, accounting for 98.3% of the sample. A very small proportion, 1.7%, have a 2497cc engine. In terms of fuel type, petrol is overwhelmingly dominant at 98.3%, with diesel making up only 1.7%. This suggests that the typical model in this range has a 2.0L petrol engine, reflecting common specifications for this vehicle type during that period.