BMW 523 MOT Statistics by Year
Select a model year to see detailed MOT results; including pass rates, mileage trends, and the most common defects found for that specific BMW 523.
Defect rate by model year
The BMW 523 is a mid-sized luxury sedan that has been a staple of the brand since its introduction in the 1990s. Known for its blend of performance, comfort, and advanced engineering, the 523 has attracted a loyal following among driving enthusiasts and families alike. Over the years, it has undergone various updates and redesigns, but its core appeal remains the same: a well-crafted vehicle that delivers a satisfying driving experience.
When assessing the reliability of the BMW 523 using MOT inspection data, it is clear that the model has had a mixed performance over the years. Early models, particularly from 1997 to 1999, show a higher defect rate compared to the average vehicles of the same year, with the 1997 model exhibiting a defect rate of 402 defects per 100 tests, which is 20% worse than the average for that year. However, from 2005 onwards, the situation improved significantly. By 2011, the defect rate had dropped to 135, which is 50% better than the average for that year.
Recurring issues identified across various model years include excessive wear on suspension components, brake pipe corrosion, and problems related to tyre tread depth. These issues not only highlight common wear and tear associated with older vehicles but also reflect the need for diligent maintenance. The 2005-2011 models, however, have shown a marked improvement in these areas, with noticeably lower defect rates and fewer significant issues reported during inspections.
In terms of performance by year, the 2005 and 2006 models stand out for their reliability, with defect rates well below the average for their respective years. Conversely, the 1997 model represents the low point, with a defect rate significantly higher than the average. Notably, the years 2009 to 2011 demonstrate a consistent decline in defects, indicating that BMW made strides in enhancing the vehicle's reliability during this period.
Did you know?
Overall, the BMW 523 has built a reputation for being a solid choice among luxury sedans, especially in its later years. While early models may pose some challenges, the improvements made in the mid to late 2000s have reinforced the 523's standing as a dependable vehicle. Trivia enthusiasts may appreciate that BMW's 5 Series, which includes the 523, has been a benchmark in the executive car segment, often praised for its driving dynamics and technology.