1997 BMW 735 3.5L Petrol · P447 ABV

The vehicle most recently passed its MOT in November 2023, but the overall maintenance trend is concerning and suggests a reactive approach to upkeep. While the car has achieved several clean passes in the past, the more recent history reveals a decline in condition, highlighted by a significant failure in 2022 involving dangerous tyre wear and excessive exhaust emissions. The recurrence of advisories regarding oil leaks and tyre degradation indicates that essential consumables and seals are not being addressed proactively, which is a red flag for a luxury vehicle of this vintage. The recorded mileage of 125,834 miles is notably low for a twenty-nine-year-old vehicle, averaging approximately 4,339 miles per year. While this suggests less mechanical wear on the engine and gearbox, such low usage often implies long periods of standing. This usage profile typically shifts the primary risk from wear-and-tear to age-related degradation, where rubber components perish and fluids break down due to time rather than distance. A buyer should be wary that low mileage can mask the deterioration of critical seals and suspension bushings that rely on regular movement to remain supple. Particular attention must be paid to the braking system and steering geometry. The advisory regarding a corroded front brake pipe covered in grease is highly suspicious, as this is often done to hide severe corrosion from inspectors. A thorough physical inspection of all brake lines for pitting or swelling is essential. Furthermore, the history of track rod end play and steering box free play suggests the front-end suspension is wearing. During a test drive, listen for clunks or knocks when turning the wheel at low speeds and check for any vagueness or excessive dead-spot in the steering response. The tyre history is particularly poor, with previous records of exposed ply and cords, as well as perishing. You must inspect all four tyres for sidewall cracking and date stamps, as old rubber becomes brittle and prone to failure regardless of tread depth. Given the low annual mileage, check the brake discs for heavy surface corrosion or binding calipers that may have seized during periods of inactivity. Finally, verify the service records for calendar-based fluid changes; the engine oil, coolant, and brake fluid should have been replaced based on time intervals rather than mileage to prevent internal corrosion and sludge build-up.