2003 BMW 735 3.6L Petrol · G19 DAA

The most recent MOT test passed in December 2025 with no defects recorded. Evaluating the overall maintenance trend, the vehicle shows a pattern of reactive maintenance rather than consistent preventative care. The significant failure in November 2024, involving incorrect indicator colours and multiple mechanical advisories, was followed by two clean passes. This suggests that the major faults identified during the 2024 inspection have been rectified. However, the recurring mention of oil leaks and suspension component play over several years indicates that while the vehicle is currently roadworthy, it has a history of component degradation that requires ongoing monitoring. The recorded mileage of 108,482 miles over a 23-year lifespan equates to an average of roughly 4,717 miles per year. This is exceptionally low for a vehicle of this age and suggests it has been used sparingly or has experienced long periods of inactivity. While lower mileage typically implies less wear on the engine and transmission, it introduces specific risks associated with age-related degradation. Components such as rubber seals, suspension bushes, and various hoses can perish or become brittle from lack of use and thermal cycling, potentially leading to the oil leaks and suspension play noted in the MOT history. During your inspection and test drive, you must pay close attention to the engine performance and the chassis integrity. Given the history of oil leaks and a smoky idle, inspect the engine bay for any signs of fresh weeping around the gaskets and check the exhaust for blue or dark smoke, which could signal internal engine wear or valve stem seal issues. Regarding the previous advisories for suspension ball joint play and hydraulic pipe corrosion, listen carefully for any knocking or clunking sounds from the front or rear when navigating uneven road surfaces or during low-speed manoeuvres. Any hesitation or noise in the steering could indicate that the previously noted ball joint play has not been fully resolved or has recurred. Due to the low annual mileage, physical checks should focus on age-related deterioration rather than just wear. Examine the tyres for sidewall cracking or perishing, as rubber degrades over time regardless of tread depth. Check the brake discs for heavy corrosion or pitting, which can occur if the vehicle has been stationary for extended periods, and feel for any pedal pulsation that might suggest binding calipers or warped discs. It is vital to verify the service history to ensure that all fluids, including coolant and brake fluid, have been replaced according to calendar-based intervals rather than just mileage. Finally, inspect the underside for any signs of active leaks or structural corrosion that may have developed during periods of standing.