2013 Audi A4 2.0L Diesel · OV63 BNB

A persistent pattern of front suspension and drivetrain wear defines the mechanical story of this 2013 Audi A4. Across four consecutive test cycles from 2021 to 2025, the nearside and offside front drive shaft CV boots have repeatedly been flagged as severely deteriorated, with the nearside boot appearing on two consecutive years and migrating to the offside side by 2021. The 2025 test additionally recorded a severely deteriorated offside front lower suspension arm ball joint dust cover, alongside a pattern of front tyre wear issues appearing in three of the four recorded tests. The two failures recorded, in 2022 and 2024, were both caused by minor issues (inadequate washer fluid and an inoperative windscreen washer respectively) rather than any single component defect, though the same advisories were carried on the corresponding pass entries recorded the same day. This is consistent with the vehicle being presented for test with pre-existing wear items that are being monitored rather than actively rectified between tests. The recorded mileage of 176,193 miles across approximately 13 years equates to an average annual accumulation of around 13,500 miles, which sits well above the typical mileage for a car of this age. This sustained level of use carries direct mechanical implications for the components flagged in the MOT record. The recurring CV boot deterioration is characteristic of high-mileage front drivetrains, where the constant velocity joints are subjected to continuous articulation and heat cycling, accelerating rubber degradation. Similarly, the front brake disc pitting noted in 2021 and the repeated front tyre wear advisories across multiple tests are consistent with a vehicle that has covered substantial distance, particularly on the front axle which carries the majority of braking and steering load on this platform. A prospective buyer should focus the physical inspection on the specific components that the MOT history has repeatedly highlighted. The severely deteriorated offside front lower suspension arm ball joint dust cover recorded in 2025 should be examined closely; torn or missing dust covers permit water and grit ingress into the ball joint, accelerating internal wear. On a test drive, listen for clonking or knocking noises from the front suspension, particularly over speed bumps, uneven road surfaces, and during full-lock turns, which would indicate worn ball joints or tie rod ends. The front suspension should also be checked for uneven tyre wear, suggesting geometry or component wear, and the front tyres themselves inspected for inner and outer edge wear patterns consistent with camber or tracking issues. CV joint condition warrants particular attention given the repeated boot failures; listen for clicking or popping noises when turning at full lock, which would suggest that grease has escaped and the joint is now worn. The front brake system, flagged for pitted and scored discs in 2021, should be evaluated for current condition by checking for brake pedal pulsation or vibration under firm braking, a symptom of disc runout or uneven wear. The nearside front position lamp failure that caused the 2025 failure is a trivial electrical item, but its recurrence alongside the washer issues in 2022 and 2024 suggests minor electrical or fluid maintenance items are being overlooked. Given the high recorded mileage and the cumulative pattern of front-end wear items, a thorough pre-purchase inspection by a specialist familiar with the Audi B8 A4 platform would be advisable, with particular attention to the condition of the front subframe mounting points, rear suspension bushes, and exhaust system, none of which appear in the recent MOT record but would be expected to show age-related wear at this mileage level.