2021 BMW M135I Xdrive Auto 2.0L Petrol · DY21 USL

The vehicle is currently roadworthy, but the most recent test history indicates a sharp decline in maintenance standards. While the car passed its tests in 2024 and 2025 without any defects, the failure in February 2026 at 32,431 miles reveals multiple critical safety-related issues. This suggests that the previous owner neglected routine consumable replacements for several years, leading to a comprehensive failure across both brakes and tyres. The mileage pattern remains consistent with typical annual use, averaging approximately 6,500 miles per year over the five-year period. The progression from 16,096 miles in March 2024 to 24,436 miles in March 2025 shows a steady rate of operation. However, the low total mileage does not insulate the vehicle from the neglect seen in the February 2026 test, which indicates that despite not being driven extensively, the components were allowed to reach the end of their service life or point of failure. A buyer must focus their physical inspection specifically on the braking system and tyre condition. The 2026 failure flagged all four brake pads as wearing thin and identified the offside rear tyre as being below the legal 1.6mm limit. The uneven wear noted on the edges of the other three tyres often points to underlying alignment issues or worn suspension bushes and bushings. You should inspect the brake discs for scoring or grooving, as allowing pads to run that thin often causes permanent damage to the rotors.