2009 BMW X6 3.0L Diesel · X6 MXD

The vehicle remains roadworthy as of its most recent MOT on 2025-12-05, but the maintenance trend is clearly worsening. While it passed with minor advisories, the same brake components — discs and pads — were flagged as worn on both front and rear axles, and the nearside rear anti-roll bar dust cover was severely deteriorated. These are not isolated issues; they reflect a pattern of deferred brake and suspension component care, with multiple tests highlighting the same areas of concern. The 2025 failure was particularly telling, with the parking brake control inoperative and brake performance untestable — a serious mechanical deficit that was not resolved before the subsequent pass. Mileage progression shows a steady climb, averaging around 10,500 miles per year over 17 years, which is within normal parameters for a vehicle of this age. The jump from 141,560 miles in August 2024 to 176,692 miles in August 2025 — roughly 35,000 miles in one year — is notable and suggests either heavy usage or a period of inactivity followed by rapid driving. The 2023 test at 123,724 miles showed only minor suspension bush wear, but by 2025, corrosion on both rear coil springs and deteriorating anti-roll bar components indicate accelerated wear, likely tied to the increased mileage and lack of proactive maintenance. A buyer should inspect the brake system in detail, especially the rear calipers and pads, as repeated thinness warnings suggest ongoing wear without replacement. The suspension components — particularly the anti-roll bar joints and coil springs — show visible corrosion and wear, which may compromise handling and ride quality. The nearside rear suspension arm bushings, previously flagged as worn but not excessive, should be checked for play or noise under load. Structural integrity should be assessed for rust, especially around the rear suspension and underbody, as corrosion has already been recorded. The registration plate and lighting issues, while not critical for roadworthiness, indicate a lack of attention to basic compliance and safety features. The vehicle’s mechanical condition is serviceable but not robust. It has been kept on the road through repeated minor fixes rather than comprehensive maintenance. A buyer should budget for immediate brake and suspension work, and consider a full mechanical inspection before purchase to avoid unexpected failures. The history suggests the previous owner prioritized passing MOTs over long-term component health, which may lead to higher repair costs in the near term.