Based on the available data, all sampled BMW 3 Series (2005-12) 320I 170 4-door saloon Edition M Sport vehicles were manufactured in 2008. This suggests that, within this dataset, 2008 was a peak or a common manufacturing year for this specific model. It may indicate good availability or popularity of 2008 models among the vehicles assessed.

The data for the BMW 3 Series (2005-12) 320i 170 4-door saloon indicates that the majority of these vehicles, about 89%, have an engine capacity of approximately 1,995 cc, with a smaller proportion around 2,000 cc. Notably, all vehicles in this sample are petrol-powered, suggesting that petrol is the exclusive fuel type for this model within the dataset. This highlights a consistent engine size and fuel type, which could be useful for potential buyers or fleet considerations focusing on petrol variants with similar engine capacities.