2006 BMW 520 2.0L Diesel · HN56 NWM

The vehicle shows a concerning trend of mechanical degradation, particularly regarding the suspension and braking systems. The most recent test on 2 May 2026 at 167,961 miles resulted in a failure with multiple critical faults. The tester identified excessively worn nearside front lower suspension arm bushes and an offside rear suspension arm ball joint, alongside a perished dust cover on the rear upper arm. The parking brake efficiency remains below legal requirements, and the front brake pipes were found corroded. These failures suggest that while some advisories were addressed previously, the underlying wear on the chassis components has not been comprehensively rectified. At 167,961 miles over 20 years, the car averages approximately 8,400 miles per year, which is consistent with typical usage patterns. However, the MOT history reveals a pattern of deferred maintenance. Between September 2023 and May 2026, the vehicle covered nearly 10,000 miles, yet recurring issues such as steering rack inner joint play and worn suspension bushes persisted across multiple tests. The failure in October 2023 at 158,423 miles highlighted a deteriorated rear brake hose and a track rod end, indicating that rubber components and ball joints are reaching the end of their functional life. Structural integrity is a point of interest given the corrosion on the offside rear subframe mounting noted in September 2023. While not considered excessive at that time, corrosion on BMW frames of this era requires close monitoring for progression. The frequent mention of tyres worn to the legal limit or distorted wheels also suggests potential alignment issues or simply a lack of proactive attention to basic preventative care. A buyer should expect significant immediate expenditure on a suspension overhaul and brake service to restore safety, as the current record shows the vehicle is currently unroadworthy.