Equipment score shows how the equipment of this car (interior, electronics, safety, exterior features, etc.) compares to other BMW 520 2010 - 2013 cars that have been recently sold.
For example., a score of 4/5 indicates that the car is among the top 20% of best equipped ones, and the score of 1/5 that it's among 20% of less equipped similar vehicles.
The score is based on the car features provided by the seller.