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Common BMW 8 Series Problems, Faults, and Repair Costs

Typical MOT issues to check on the BMW 8 Series, with rough repair costs, and its MOT pass rate for each model year. Based on 5,690 MOT tests across 4 model years (DVSA data for tests carried out in 2024, retests included).

Segment: premium performance | Fuel: Petrol, Diesel

92%

BMW 8 Series pass rate

88%

BMW average

82%

All-model average

The BMW 8 Series has an average MOT pass rate of 92%, which is 4 points above the BMW average and 10 points above the average across all models in our data. The BMW 8 Series has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.

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Common MOT Issues to Check on the BMW 8 Series

Typical issues for a car of this age and type, estimated from its age, fuel type and engine size (not counted from its MOT records), with rough repair costs

Brakes

High likelihood

£80 - £450

Typical repair cost

Common advisories:

Brake discs worn, brake pads thin, handbrake adjustment needed

Failure points:

Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum

Suspension

High likelihood

£150 - £600

Typical repair cost

Common advisories:

Suspension arm bush worn, shock absorber misting, spring corroded

Failure points:

Coil spring broken, ball joint excessive play, shock absorber leaking

Lights

High likelihood

£15 - £200

Typical repair cost

Common advisories:

Headlamp aim slightly out, lens deteriorated

Failure points:

Headlamp not working, brake light not functioning, indicator failure

Tyres

High likelihood

£50 - £300

Typical repair cost

Common advisories:

Tyre approaching legal limit, slight damage to sidewall

Failure points:

Tyre below minimum tread depth, tyre has a cut exposing ply

Exhaust & Emissions

High likelihood

£80 - £800

Typical repair cost

Common advisories:

Exhaust mounting corroded, slight exhaust leak

Failure points:

Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning

Steering

Moderate likelihood

£100 - £500

Typical repair cost

Common advisories:

Track rod end has slight play, steering rack boot deteriorated

Failure points:

Steering rack leaking, track rod ball joint worn beyond limits

Body & Structure

Lower likelihood

£200 - £1200

Typical repair cost

Common advisories:

Surface corrosion on subframe, slight body panel damage

Failure points:

Structural corrosion, body mounting corroded through, chassis weakness

Windscreen & Wipers

Lower likelihood

£10 - £350

Typical repair cost

Common advisories:

Minor windscreen chip, wiper blade deteriorated

Failure points:

Windscreen crack in swept area, wiper does not clear windscreen

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BMW 8 Series Reliability by Year

MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.

2018
94%
Highest
2019
92%
Lowest
2020
93%
2021
92%
Lowest
YearFuelEnginePass RateFail Rate
2021Diesel3.0L92%8%
2020Diesel3.0L93%7%
2019Diesel3.0L92%7%
2018Petrol4.4L94%6%

Highest Pass Rate

2018

94% pass rate from 659 tests

View 2018 BMW 8 Series details

Lowest Pass Rate

2019

92% pass rate from 3,463 tests

Level with 2021

View 2019 BMW 8 Series details

BMW 8 Series Running Costs

Want to know the full annual running costs for the BMW 8 Series? Including fuel, road tax, the MOT and predicted repairs based on MOT pass rates, plus an estimated insurance group.

View BMW 8 Series Running Costs

BMW 8 Series FAQ

What are the most common BMW 8 Series problems?

Typical issues to check on a BMW 8 Series of this age and type are brakes, suspension, lights, tyres and exhaust & emissions. These are estimated from its age, fuel type and engine size, not counted from its MOT records. Across 5,690 MOT tests (DVSA MOT data for tests in 2024, retests included), 92% ended in a pass.

Is the BMW 8 Series reliable?

The BMW 8 Series has an average MOT pass rate of 92%, from 5,690 MOT tests. That is 10 points above the average across all models in our data (82%), a better than average result. Pass rates fall as cars age, so compare it with cars of a similar age.

Which year BMW 8 Series is the most reliable?

Of the years with at least 100 tests that were old enough for a routine MOT, the 2018 BMW 8 Series has the highest MOT pass rate: 94% of its 659 tests ended in a pass. The 2019 has the lowest at 92%. The 2021 is level on 92%. Newer cars usually pass more often simply because they are younger, so the pass rate is only part of the picture.

How much does it cost to fix common BMW 8 Series faults?

As a rough guide, brake work on a BMW 8 Series typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.

Check a Specific BMW 8 Series

Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.

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