1993 BMW 740 I Auto 4.0L Petrol · L322 DBA

A repeating pattern of advisories relating to corrosion and oil leaks, alongside a parking brake failure and a registration plate lamp defect, defines the mechanical history of this 1993 BMW 740. The most recent test on 14 May 2024 recorded a pass with no advisories, which on the surface suggests a stable vehicle, but this clean outcome follows a 2022 pass that flagged a corroded fuel pipe and a corroded rear brake pipe, both items that warrant close physical inspection given their safety-critical nature. The earlier 2019 failure on parking brake efficiency is particularly relevant to a car of this age, as rear drum or caliper mechanisms on E32-series 7 Series models are prone to seized adjusters and corroded cables, and the problem being recorded as a Major suggests it was more than a simple cable stretch. Combined with the recurring minor registration plate lamp defect in 2018 and 2019, there is enough evidence of minor electrical and mechanical deterioration across multiple tests to warrant a focused pre-purchase inspection rather than reliance on the clean 2024 result alone. The recorded mileage of 72,714 miles across 33 years equates to roughly 2,200 miles per year, a notably low annual accumulation that carries specific mechanical implications for a vehicle of this vintage. MOT testing records span from 2017 to 2024, with no entries visible for 2015, 2016, or 2021, suggesting either periods off the road or gaps in testing compliance that may themselves reflect extended standing time. Low-mileage examples of the M60 or M62 V8 engines fitted to this era of 740 are particularly susceptible to oil leaks from valve cover gaskets, oil filter housing gaskets, and rear main seals through drying and hardening of aged rubber and cork seals, and the advisory history supports this, with oil leaks flagged in both 2019 and 2022. Long periods of inactivity also promote corrosion in the brake and fuel pipework, oxidation of brake fluid, and stiffening of suspension bushes, all of which align with the advisories recorded. A prospective buyer should prioritise a physical inspection of the fuel pipe and rear brake pipe referenced in the 2022 advisory, as brake pipe corrosion on a 33-year-old vehicle is a structural integrity concern that can progress rapidly once surface rust becomes established. On a test drive, the parking brake should be tested on an incline to confirm it holds firmly without excessive travel, as the 2019 failure indicates this system has previously fallen below the required efficiency and rear caliper or cable mechanisms on this model are known to seize. Listen for suspension knocks or clonks over uneven surfaces, particularly from the front wishbones and anti-roll bar drop links, as low mileage does not prevent the rubber bushes and ball joints from hardening and splitting with age. The engine bay should be examined for fresh oil residue around the valve covers, oil filter housing, and lower crankcase area to gauge whether the previously advised leaks have worsened, and a compression test would provide valuable reassurance given the low annual usage and the propensity for valve guide and piston ring glazing on infrequently driven V8 units. Finally, a thorough check of all rear lighting, particularly the registration plate illumination, is advisable given the lamp defect recorded in two separate test cycles.