BMW Unknown Reliability, MOT Pass Rate & Common Faults
Free BMW Unknown car check
Is the BMW Unknown reliable? We analysed 3,578 real MOT tests across 1,301 vehicles to find out.
Got a specific BMW Unknown? Enter the reg for a free check:
The BMW Unknown is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used BMW Unknown.
BMW Unknown Number Plates
Number plates registered to a BMW Unknown. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
BMW Unknown MOT Pass Rate by Year
How likely is a BMW Unknown to pass its MOT? Here's the pass rate for each registration year, newest first.
BMW Unknown Problems — What Goes Wrong?
The most common reasons a BMW Unknown fails its MOT, ranked by how often they occur. Check for these problems before you buy.
BMW Unknown Common Faults & Problems
These are the most common serious faults found on BMW Unknown models during MOT testing — flagged as dangerous or major failures that need immediate attention.
BMW Unknown Mileage — What's Normal?
How many miles does a typical BMW Unknown owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
BMW Unknown MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the BMW Unknown year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2018 | 64 | 90.6% | 20,244 | 31,528 | 64,102 |
| 2017 | 71 | 88.7% | 12,837 | 38,870 | 58,424 |
| 2016 | 123 | 91.1% | 15,783 | 29,763 | 48,804 |
| 2015 | 169 | 91.1% | 22,468 | 37,401 | 59,185 |
| 2014 | 383 | 85.6% | 30,656 | 55,449 | 78,722 |
| 2013 | 215 | 87.0% | 31,569 | 60,099 | 82,436 |
| 2012 | 116 | 86.2% | 23,829 | 49,808 | 102,241 |
| 2011 | 81 | 82.7% | 43,603 | 58,263 | 81,272 |
| 2008 | 65 | 80.0% | 38,305 | 44,690 | 64,548 |
| 2007 | 90 | 80.0% | 13,613 | 89,288 | 127,462 |
| 2005 | 63 | 73.0% | 68,899 | 108,303 | 141,970 |
| 2003 | 66 | 81.8% | 24,331 | 95,980 | 136,787 |
| 1997 | 58 | 75.9% | 51,336 | 80,238 | 106,858 |
| 1984 | 96 | 82.3% | 15,390 | 31,096 | 41,088 |
| 1983 | 102 | 84.3% | 12,882 | 37,899 | 46,098 |
| 1982 | 157 | 88.5% | 11,050 | 32,548 | 52,556 |
| 1981 | 185 | 90.8% | 16,764 | 35,556 | 51,747 |
| 1980 | 166 | 87.3% | 4,921 | 35,955 | 52,349 |
| 1979 | 109 | 83.5% | 20,061 | 41,766 | 54,883 |
| 1978 | 141 | 89.4% | 10,699 | 31,307 | 49,182 |
How Long Does a BMW Unknown Last?
Based on 1,301 BMW Unknown vehicles on UK roads.
BMW Unknown Mileage Distribution
Total mileage recorded across all BMW Unknown MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used BMW Unknown
Based on MOT pass rates across all registration years with sufficient test data.
94.1% MOT pass rate from 51 tests
73.0% MOT pass rate from 63 tests
The best year to buy a used BMW Unknown is 1976, which has the highest MOT pass rate at 94.1% across 51 tests. The 2005 model year has the lowest pass rate at 73.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the BMW Unknown Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| BMW Unknown THIS CAR | 86.4% | 3,578 | 43,410 mi | 50 yrs |
| BMW 3 Series | 75.1% | 12,840,406 | 90,743 mi | 37 yrs |
| BMW 118 | 81.5% | 1,923,256 | 64,042 mi | 22 yrs |
| BMW X5 | 77% | 1,735,343 | 83,401 mi | 25 yrs |
| Isuzu Trooper Citation LWB | 68.4% | 2,743 | 133,668 mi | 30 yrs |
Compared to the BMW 3 Series (75.1% pass rate) and the BMW 118 (81.5% pass rate), the BMW Unknown outperforms both on MOT reliability.
Found a BMW Unknown you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific BMW UnknownShould you buy a used BMW Unknown?
The BMW Unknown has an overall MOT pass rate of 86.4% across 3,578 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common failure point is tyre tread depth below requirements of 1.6mm with 7 recorded occurrences. Check for this on any test drive or pre-purchase inspection.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a BMW Unknown with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical BMW Unknown owner drives around 2,543 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most BMW Unknown models stay on UK roads for around 50 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.