The data indicates that nearly all BMW 5 Series (1996-03) 530D models are equipped with an engine capacity of approximately 2926 cc, accounting for 94.9% of the sample. A small proportion feature slightly larger or smaller engines, with 2993 cc at 1.5%, 3000 cc at 2.9%, and 226 cc at 0.7%. Notably, all vehicles in the sample are powered by diesel fuel, highlighting a consistent primary fuel type for this model. Overall, the majority of these vehicles have a 2926 cc diesel engine, reflecting a common specification within this model range.