2021 BMW 118 1.5L Petrol · BN21 XKC

A consistent pattern of front and rear inner tyre wear advisories, all four recorded against the same edge-wear criterion, is the defining mechanical story for this 2021 BMW 118 across three consecutive MOT tests. The earliest test in March 2024 flagged both front tyres as worn close to the legal limit on their edges, the March 2025 test repeated the advisory on the offside front, and the most recent pass on 21 February 2026 escalated the concern by recording edge wear on both rear inner tyres alongside a minor defect for a defective rear wiper blade. All three tests resulted in a pass with no failures, failures of components, or structural advisories recorded, so the vehicle remains roadworthy and the test outcomes are stable rather than worsening, but the persistence of the same wear pattern across multiple seasons suggests the issue is alignment or suspension-related rather than purely tyre-related deterioration. With three tests on file spanning March 2024 through February 2026 and 55,075 recorded miles against a five-year-old car, the annual mileage works out at roughly 11,000 miles per year, which sits in a typical band for a vehicle of this age. The gap between the 2024 and 2025 tests is almost exactly twelve months with a modest mileage increase, and the gap between 2025 and early 2026 is similarly short, indicating regular use rather than long periods off the road. There is no evidence of multi-year lay-ups or rapid mileage spikes that would raise separate concerns about seized brakes, perished fuel lines, or flat-spotted tyres from standing. At this accumulation rate the major drivetrain components and structural areas should not have accumulated excessive wear, but the consumables around the suspension and braking system have seen enough use to start showing their age. For a prospective buyer, the tyre edge wear pattern on a BMW 1 Series is worth investigating beyond simply budgeting for four new tyres, because identical advisories on both sides of the same axle across consecutive tests typically point to a chassis geometry issue. A test drive should include a firm check for a steering pull to one side under steady motorway cruising, any tugging or drift over mid-corner bumps, and uneven wear across the tread face when the new tyres are fitted. The offside front in particular should be examined, as it has been flagged at two consecutive tests. It would also be prudent to have the camber and tracking measured on a four-wheel alignment rig before fitting replacement tyres, and to inspect the front suspension arms, anti-roll bar bushes, and top mounts for cracking or movement, as worn components in these areas will reproduce edge wear even with correct geometry. The remaining items in the record are minor but deserve a quick check during a viewing. The defective rear wiper blade noted in February 2026 is a simple replacement, but it is worth confirming that the rear wiper mechanism still parks correctly and that the rear screen has no scratches from a worn blade dragging across it. There are no advisories against the brakes, exhaust, suspension springs, or underbody corrosion, which is reassuring for a car of this age and mileage, but a thorough inspection underneath should still look for any developing surface corrosion on the subframe, brake pipes, and suspension mounting points, as BMWs of this era can show early rust in these areas. A road test with a few harder stops from 30 to 40 mph will confirm whether the car pulls under braking, and a slow-speed pass over speed bumps will reveal any knocking from worn top mounts or anti-roll bar drop links, both of which would be consistent with the recorded usage profile.