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1971 BMW Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1971, based on 489 real MOT test results.

84.3%
Pass Rate
15.7%
Fail Rate
489
Total Tests
46,128
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Unclassified cars tested in 1971. Want to see how cars built in 1971 hold up over time?

View 1971 BMW Unclassified vintage page → (90.9% current pass rate)

1971 BMW Unclassified MOT Analysis

The 1971 BMW Unclassified has an MOT pass rate of 84.3% based on 489 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 46,128 miles on the odometer. With a 15.7% failure rate, the 1971 Unclassified is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1971 BMW Unclassified is Suspension, responsible for 1.6% of failures. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs range from £200–500. Lamps, reflectors and electrical equipment is the second most common issue at 0.6%.

Top failures specific to 1971 models only. The overall Unclassified page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Suspension1.6%8
2Lamps, Reflectors And Electrical Equipment0.6%3

Failures per 10,000 Miles

avg. 46,128 mi

For 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.

Suspension0.35% per 10K miLamps & Electrical0.13% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Suspension0.351.6%8
Lamps & Electrical0.130.6%3

Mileage Statistics

46,128
Mean
36,129
Median
19,124
25th Percentile
69,166
75th Percentile
3.40% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1971 BMW Unclassified has an MOT pass rate of 84.3% based on 489 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 46,128 miles on the odometer. With a 15.7% failure rate, the 1971 Unclassified is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1971 BMW Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to suspension: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks. With relatively low average mileage of 46,128 miles, many of these vehicles are still in good mechanical condition.

Suspension — 1.6% of failures

Suspension issues account for 1.6% of MOT failures on 1971 BMW Unclassified models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Lamps, reflectors and electrical equipment — 0.6% of failures

Lamps, reflectors and electrical equipment issues account for 0.6% of MOT failures on 1971 BMW Unclassified models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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