2004 BMW 120 2.0L Diesel · CK54 CCN

A persistent theme in this 2004 BMW 120's MOT history is progressive corrosion and wear in the braking and rear suspension systems, with advisories accumulating steadily across the last seven tests and culminating in a 2026 pass that still flagged both rear brake hose ferrules and both rear brake pipes as corroded. The rear upper suspension arm pin or bush wear first noted in 2024 was preceded by an earlier advisory of deteriorating rear suspension bushes in 2023, suggesting the bushes have not been replaced and are likely continuing to deteriorate. Earlier flags for perished brake flexi hoses in 2019, corroding brake ferrules in 2023, and warped front brake discs in 2022 paint a picture of a chassis-level wear pattern that has been left to advance rather than addressed. The current advisories are individually minor, but the trend across consecutive tests indicates that brake pipe and suspension bush renewal is becoming a near-term necessity rather than an optional job. Recorded mileage stands at 206,829 miles across 22 years, equating to roughly 9,401 miles annually, which sits close to the typical accumulation for a vehicle of this age and means the major mechanical components have been worked throughout their intended service life. Testing has been consistently annual with no gaps, so the mileage record can be read as a continuous progression rather than periods of standing followed by catch-up use. The high absolute mileage combined with the chassis-level advisories is the principal mechanical risk, as brake pipes, hoses, and suspension bushes on a car of this vintage and distance covered are unlikely to be the only consumables nearing the end of their functional life. A prospective buyer should prioritise a physical inspection of the rear brake pipes and flexi hoses, looking for surface rust, flaking, and any bulges or cracking in the rubber sections, particularly around the ferrules where the corrosion advisories have repeatedly appeared. The rear upper suspension arm bushes warrant a road test over broken surfaces and speed humps to listen for clonking or knocking from the rear axle, as the advisories specifically note pin or bush deterioration which can present as noise and vagueness in the rear end before any visible movement is apparent. Given the 2019 advisory of perished brake flexi hoses, it is worth confirming whether a full hose set replacement was carried out, as perished hoses can manifest under load as a soft or spongy pedal feel. The front end also requires attention, with prior advisories for play in the nearside front track rod end and inner ball joint in 2021, warped front discs in 2022, and weeping front shock absorbers in 2019. On a test drive, the buyer should listen for any knocking from the front suspension over uneven roads, check for steering wander or vibration under braking that would indicate the brake discs have further deteriorated, and inspect the front shocks for any fresh oil residue around the bodies. Given the cumulative brake and suspension wear pattern across the test record, budgeting for brake pipe replacement, rear suspension bush renewal, and a thorough inspection of the front suspension and steering linkage would be prudent before committing to purchase.