2021 BMW M4 Competition Auto 3.0L Petrol · CH11 BBL

A flawless three-test roadworthiness record defines this M4 Competition, with passes recorded on 4 September 2026, 18 March 2025 and 6 March 2024, each returning a clean sheet free from advisories, failures or even minor defects. For a high-performance rear-drive coupé packing significant mass over its front axle, the absence of any flagged wear on tyres, brakes, suspension or underbody components across three consecutive tests speaks to a mechanically sound example. That said, MOT testing is a minimum statutory standard and does not cover engine, transmission or differential condition, so the clean record establishes baseline legality rather than a guarantee of outright mechanical health. The lack of recurring advisories means no component has been flagged as borderline, which is the best starting point one could reasonably expect from a five-year-old performance car. Covering approximately 36,204 miles over five years equates to an annual accumulation of around 7,241 miles, which sits firmly within typical usage parameters for a UK-registered vehicle of this profile. The roughly even spacing between tests, with no multi-year gaps or sudden jumps in recorded mileage, suggests consistent rather than sporadic use. For a BMW M4 Competition specifically, this mileage band is relatively moderate and means the engine, dual-clutch automatic gearbox, rear differential and cooling system have not been subjected to extreme high-mileage wear. Mechanically, this rate of use is preferable to either extreme: a low-mileage example left standing for prolonged periods risks oil seal drying, carbon build-up in the combustion chambers and stale brake fluid, while a very high-mileage example would be closer to replacement intervals for the majority of consumables. The data here points towards a car that has been exercised regularly enough to keep seals lubricated and components thermally cycled. Given the complete absence of flagged items in the MOT history, a prospective buyer cannot rely on the test record to narrow down known weak points and must instead focus their inspection on areas the test does not cover or that are commonly reported on this chassis. On a test drive, listen carefully for any roughness or misfire from the S58 inline-six, particularly on warm restart, and check for hesitation or harsh shifts from the M Steptronic transmission. Feel for any clonks or vibration from the rear differential under load changes, as these units are known to develop wear. Inspect the underside for any signs of oil seepage around the engine sump, turbo oil feed lines and the differential housing, and examine the condition of the rear subframe mounting points and suspension arms for any surface corrosion that may not yet have reached MOT failure threshold but could indicate early structural attention. Brake feel and tyre condition warrant particular attention on any test drive. The M4 Competition runs large composite or drilled discs depending on specification, and these are expensive to replace, so assess pedal response for any sponginess or excessive travel, and listen for grinding or scraping that might indicate worn pads or a binding caliper. On the road, test the car at motorway speeds for any steering vibration, wheel imbalance or tracking pull, and push through corners to detect knocking from the front or rear suspension, worn anti-roll bar drop links or top mount deterioration. Check the condition of the adaptive M suspension if fitted for any warning messages or uneven damping behaviour. Finally, confirm that all recent service items have been attended to, particularly the under-bonnet oil service, brake fluid renewal and differential fluid, as the MOT record alone tells you nothing about whether these manufacturer-recommended intervals have been respected.