2021 BMW 520i M Sport Mhev Auto MOT Pass Rate
Pass rate for 520i M Sport Mhev Auto models manufactured in 2021, based on 773 real MOT test results.
Data from official DVSA MOT testing records
This page shows all 520i M Sport Mhev Auto cars tested in 2021. Want to see how cars built in 2021 hold up over time?
View 2021 BMW 520i M Sport Mhev Auto vintage page → (93.1% current pass rate)2021 BMW 520i M Sport Mhev Auto MOT Analysis
The 2021 BMW 520i M Sport Mhev Auto has an MOT pass rate of 93.4% based on 773 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 27,169 miles on the odometer. With a 6.6% failure rate, the 2021 520i M Sport Mhev Auto is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2021 BMW 520i M Sport Mhev Auto is Tyres, responsible for 6.6% of failures. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs range from £50–200 per tyre. Non-component advisories is the second most common issue at 0.9%. Road Wheels follows at 0.6%.
Top failures specific to 2021 models only. The overall 520i M Sport Mhev 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 | Tyres | 6.6% | 51 |
| 2 | Non-component Advisories | 0.9% | 7 |
| 3 | Road Wheels | 0.6% | 5 |
| 4 | Visibility | 0.3% | 2 |
| 5 | Identification Of The Vehicle | 0.3% | 2 |
| 6 | Lamps, Reflectors And Electrical Equipment | 0.3% | 2 |
| 7 | Brakes | 0.1% | 1 |
Failures per 10,000 Miles
avg. 27,169 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 |
|---|---|---|---|
| Tyres | 2.43 | 6.6% | 51 |
| Non-component advisories | 0.33 | 0.9% | 7 |
| Wheels | 0.24 | 0.6% | 5 |
| Visibility | 0.10 | 0.3% | 2 |
| Identification of the vehicle | 0.10 | 0.3% | 2 |
| Lamps & Electrical | 0.10 | 0.3% | 2 |
| Brakes | 0.05 | 0.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2021 BMW 520i M Sport Mhev Auto has an MOT pass rate of 93.4% based on 773 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 27,169 miles on the odometer. With a 6.6% failure rate, the 2021 520i M Sport Mhev Auto is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2021 BMW 520i M Sport Mhev Auto, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to tyres: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating. With relatively low average mileage of 27,169 miles, many of these vehicles are still in good mechanical condition.
Tyres — 6.6% of failures
Tyres issues account for 6.6% of MOT failures on 2021 BMW 520i M Sport Mhev Auto models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Non-component advisories — 0.9% of failures
Non-component advisories issues account for 0.9% of MOT failures on 2021 BMW 520i M Sport Mhev Auto models. Non-component advisories issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Road Wheels — 0.6% of failures
Road Wheels issues account for 0.6% of MOT failures on 2021 BMW 520i M Sport Mhev 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.