2012 Peugeot Expert 1.6L Diesel · BV12 HDD

The 2012 Peugeot Expert currently holds a valid MOT, having passed on 4 April 2026 at 164,637 miles. That pass, however, sits directly on the back of a serious failure just one month earlier on 3 March 2026 at 163,014 miles. The March failure flagged a continuous diesel leak posing a serious risk to road safety, service brake efficiency below 50 per cent of the required value, and parking brake efficiency also below 50 per cent. The fact that all three of these critical defects were rectified within a month suggests urgent remedial work was carried out, but the underlying maintenance pattern is concerning. A vehicle presenting with simultaneous brake and fuel system failures at this mileage points to a period of deferred upkeep rather than routine servicing. The mileage progression tells a clear story. Between the February 2024 test at 125,253 miles and the March 2025 test at 143,193 miles, the vehicle covered 17,940 miles in roughly thirteen months, a sharp acceleration from the prior average. Then, between March 2025 at 143,193 miles and April 2026 at 164,637 miles, it added a further 21,444 miles in just over a year. That is approximately 20,000 miles annually over the last two years, well above the 11,760 miles per year average across its fourteen-year life. Heavy recent use combined with the March 2026 failure cluster raises questions about whether wear components were being replaced proactively or simply run to failure. A buyer should pay close attention to the braking system and fuel system before committing. The simultaneous failure of service and parking brake efficiency to below the 50 per cent threshold is not a minor pad wear issue. It suggests possible binding calipers, deteriorated brake discs, a compromised master cylinder, or air in the hydraulic lines. The diesel leak described as continuous and posing a serious risk could originate from a high-pressure fuel injector seal, a degraded fuel pipe, or a porous tank. Both systems should be inspected with the vehicle on a lift, checking for fresh evidence of weeping, corrosion on brake lines, and the condition of the handbrake cables and rear caliper mechanisms. Beyond the March 2026 failure, the 2025 test revealed a seized gearchange and a leaking power steering rack, both of which were advisories or failures that may have been addressed but warrant verification through a test drive. The slightly noisy offside front wheel bearing flagged in March 2025 also deserves a physical check, as wheel bearings rarely self-repair. The February 2024 advisory on both front brake discs being worn, pitted, or scored further supports the picture of a braking system that has been run hard without timely disc replacement. A thorough inspection of the steering rack for fresh leaks, a road test to confirm gearchange operation across all gears, and a lift check for chassis corrosion and suspension bush wear would be prudent before purchase.