2010 BMW 120 2.0L Diesel · ML10 RZX

At 168,425 miles over sixteen years, this 120d presents a mixed roadworthiness picture dominated by a single failed test in early 2023 followed by two subsequent passes, the most recent being on 9 April 2024 with only a minor windscreen damage advisory. The failure itself is notable for clustering several majors into one event: both registration plates non-conforming to specification, a nearside front anti-roll bar ball joint with excessive wear, and a central stop lamp interaction with the indicator circuit. The fact that the immediately following test in 2023 and the 2024 test recorded no advisories other than the windscreen suggests the rectification work was thorough, though the absence of any recorded advisories on the more recent passes is worth weighing against the very brief entries — a clean box on a high-mileage BMW is not the same as a detailed inspection, so the buyer should not infer that the suspension, brake or underbody condition has been formally cleared. The overall trend is therefore one of a single flagged event rather than a chronic pattern, but the 2023 cluster does point to specific component groups that warrant close physical inspection. Annual mileage averages roughly 10,500 miles, which is broadly typical for the age, and the recorded gaps between tests (January 2022, February 2023, April 2024) show fairly consistent annual usage with no extended SORN periods that might suggest prolonged standing. A car driven at this rate will be wearing consumables — brake discs and pads, tyres, bushes, shock absorbers and clutch components — at a fairly steady cadence, and at 168k miles the original drivetrain, turbocharger, dual-mass flywheel and suspension subframe are all well within the zone where OE-grade components typically need replacement rather than repair. The mileage is not unusual enough to be a red flag in itself, but it does mean that any rubber, bush or bearing that was original fitment has now done well over a decade and the better part of 170,000 miles, so condition rather than age per se is the key question. The anti-roll bar ball joint failure on the nearside front is the single most mechanically significant item in the record. Anti-roll bar drop links and ball joints are common wear items on E81/E87-chassis 1 Series, and a heavily worn joint will produce clonking over bumps, vague turn-in, and uneven tyre wear particularly on the inner or outer shoulder. On a test drive, listen for any knock or rattle from the front end over speed humps and catseyes, and check that the front nearside tyre is not wearing prematurely on one edge. The drop links and anti-roll bar bushes are relatively inexpensive to replace in isolation, but the buyer should also have the front control arm bushes, wishbone rear bushes and top mounts assessed, as these tend to follow the drop links into failure on a car of this mileage. The registration plate and stop lamp defects from 2023 are less concerning in isolation — the plates are likely aftermarket or faded units that have since been replaced with compliant ones, and the central stop lamp issue is typically a wiring or earth fault on the high-level third brake light rather than a fundamental electrical problem. However, on a 2010 BMW with this mileage it is worth confirming that the central locking, indicator operation and rear lamp cluster sealing are all sound, as water ingress into the tailgate harness is a common E87 weak point and can produce exactly the kind of cross-fed lighting faults seen in 2023. Beyond the MOT-listed items, the test drive should include a thorough check for any clutch slip on inclines, any vibration or judder through the steering wheel under braking (suggesting warped front discs), and a thorough underbody visual for the rust issues that commonly affect the rear trailing arm mounting points and front subframe on winter-driven examples. Given the 2024 test only flagged a windscreen chip, there is a reasonable basis to proceed, but a pre-purchase inspection by a BMW specialist or thorough independent garage focusing on the front suspension, brake discs and underbody corrosion is strongly advisable before committing.