How Reliable is a BMW 523?

BMW 523's have a slightly over average reliability rating of 506/999. The score was calculated from the average of every BMW 523 that has had a registered MOT.

We calculated all of the below figures by getting the score from each vehicle make/model/year/fuel, which are each calculated a score. We then generate the average score, taking into account factors such as mileage and emissions.

Also check BHP & performance, road tax, fuel economy, CO2 emissions, and service history for the BMW 523.