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B3 KOS

2015 BMW 520

Blue Diesel 1995cc
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MOT Status

Valid
Expires26 Oct 2026
Tests11 (8 pass, 3 fail)
Pass rate72.7%

Mileage

165,078 mi
Last recorded165,078 miles
Recorded on27 Oct 2025
Typical for 2015 BMW 52071,270 mi

Significantly above average — investigate

4 checks still locked for this BMW
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationB3 KOS
MakeBMW
Model520
Year2015
ColourBlue
Fuel typeDiesel
Engine1,995cc

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50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

8 pass 3 fail
Pass 27 Oct 2025 165,078 miles
Pass 16 Oct 2024 152,695 miles

Electronic parking brake defective but can be satisfactorily operated rear handbrake switch showing signs of wear (1.1.6 (d))

Front Service brake binding but not excessively front both n/s o/s brakes binding (1.2.1 (f))

Nearside Rear rear n/s exhaust rubber mounting broken

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. handbrake showing low effort at rear wheels (1.4.2 (a) (i))

Pass 5 Oct 2023 136,245 miles
Fail 21 Sep 2023 135,687 miles

Nearside Front Position lamp not working (4.2.1 (a) (ii))

Nearside Headlamp aim too low (4.1.2 (a))

Nearside Rear Tyre(s) of different sizes are fitted on the same axle. (5.2.3 (b))

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Nearside Front Tyre slightly damaged/cracking or perishing heavily perished and cracked! (5.2.3 (d) (ii))

Offside Front Tyre worn close to legal limit/worn on edge outer edge + perished and cracked (5.2.3 (e))

Pass 17 Sep 2022 118,692 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Outer Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Front Outer Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fail 17 Sep 2022 118,692 miles

Front Registration plate does not conform to the specified requirements (0.1 (d))

Rear Registration plate does not conform to the specified requirements (0.1 (d))

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Outer Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Front Outer Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 7 Sep 2021 106,238 miles
Pass 21 Mar 2020 85,297 miles
Fail 21 Mar 2020 85,297 miles

Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

Pass 21 Mar 2019 66,029 miles
Pass 30 Apr 2018 59,810 miles

How Reliable is the BMW 520?

Based on 1,661,806 MOT tests across 152,584 vehicles.

78.5%
Pass Rate
7,968
Miles/Year
35
Year Lifespan
152,584
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 47,121
Parking brake: efficiency below requirements 22,647
Brake pipe excessively corroded 16,724
Tyre has ply or cords exposed 15,884
Track rod end ball joint has excessive play 14,720
Full BMW 520 reliability report

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B3 KOS is a 2015 BMW 520 in Blue with a 1,995cc diesel engine. This vehicle has been through 11 MOT tests with a personal pass rate of 72.7%.

Across all 2015 BMW 520 models, the average MOT pass rate is 87.3% with a typical mileage of 71,270 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a BMW 520 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 47,121 recorded failures. If you're considering buying B3 KOS, it's worth having these areas checked by a mechanic before committing.

The BMW 520 typically stays on UK roads for around 35 years. At 11 years old, this BMW 520 is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of B3 KOS?

You can check the full history of B3 KOS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B3 KOS registered?

B3 KOS is a 2015 BMW 520, first registered on 14 May 2015.

Is B3 KOS safe to buy?

The MOT history for B3 KOS shows 11 tests with a 72.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B3 KOS have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on B3 KOS. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.