2021 BMW 120d Sport Auto MOT Pass Rate
Pass rate for 120d Sport Auto models manufactured in 2021, based on 46 real MOT test results.
Data from official DVSA MOT testing records
This page shows all 120d Sport Auto cars tested in 2021. Want to see how cars built in 2021 hold up over time?
View 2021 BMW 120d Sport Auto vintage page → (97.5% current pass rate)2021 BMW 120d Sport Auto MOT Analysis
The 2021 BMW 120d Sport Auto has an MOT pass rate of 95.7% based on 46 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,445 miles on the odometer. With a 4.3% failure rate, the 2021 120d Sport Auto is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2021 BMW 120d Sport Auto is Road Wheels, responsible for 2.2% of failures. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs range from £100–400 per wheel. Noise, emissions and leaks is the second most common issue at 2.2%.
Top failures specific to 2021 models only. The overall 120d Sport Auto page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Road Wheels | 2.2% | 1 |
| 2 | Noise, Emissions And Leaks | 2.2% | 1 |
Failures per 10,000 Miles
avg. 34,445 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Wheels | 0.63 | 2.2% | 1 |
| Noise, emissions and leaks | 0.63 | 2.2% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2021 BMW 120d Sport Auto has an MOT pass rate of 95.7% based on 46 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 34,445 miles on the odometer. With a 4.3% failure rate, the 2021 120d Sport Auto is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2021 BMW 120d Sport Auto, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to road wheels: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels. With relatively low average mileage of 34,445 miles, many of these vehicles are still in good mechanical condition.
Road Wheels — 2.2% of failures
Road Wheels issues account for 2.2% of MOT failures on 2021 BMW 120d Sport Auto models. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs: £100–400 per wheel. Pre-MOT check: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels.
Noise, emissions and leaks — 2.2% of failures
Noise, emissions and leaks issues account for 2.2% of MOT failures on 2021 BMW 120d Sport Auto models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.