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How reliable is the BMW 840i M Sport Auto?

Owner-reported reliability data — inspection results, typical mileage, and the most common failures.

The BMW 840i M Sport Auto consistently passes first-time inspections at an above-average rate. The most commonly reported issues are a tyre seriously damaged, a tyre cords visible or damaged, a tyre seriously damaged. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.

Reliability & Breakdown Risk
92.1% pass rate

Above average reliability

Based on 3,425 inspection tests. First-time pass rate: 92.1%.

First-time inspection pass rate92.1%
Dangerous defect rate
3.8%
Retest rate
9.1%
Typical mileage by age2021 cohort
Age 3
41,710 km
Age 5
Age 10
Annual mileage distributionfrom 75 vehicles
Bottom 10%
2,636 km
Low 25%
6,031 km
Median
8,708 km
High 25%
14,515 km
Top 10%
21,355 km
Most common inspection failures
A tyre seriously damaged2.5%
A tyre cords visible or damaged2%
A tyre seriously damaged1.2%
The aim of a headlamp is not within limits laid down in the requirements1%
A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber0.6%
Where failures most often occur
Front Nearside(1.8%)
Front Offside(1.8%)
Rear Nearside(1.4%)
Reliability indicators are model-level averages from Carlytics-analyzed inspection and breakdown records, not specific to this individual vehicle.

BMW 840i M Sport Auto reliability by year

How the BMW 840i M Sport Auto performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.

Year cohortPass rateTypical mileage @ 5 yrs
091.3%21,684 km
202093.5%
202192.1%
202289.2%

Model-level pattern, not per-car prediction

These figures describe the BMW 840i M Sport Auto as a model. The reliability of any individual BMW 840i M Sport Auto also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.

Buying a BMW 840i M Sport Auto?

Reliability tells you the pattern. A VIN check tells you the car.

Frequently asked questions

Is the BMW 840i M Sport Auto reliable?

Based on owner-reported inspection records, the BMW 840i M Sport Auto consistently passes first-time inspections at an above-average rate. Its first-time inspection pass rate sits around 92%. Reliability varies by year and engine — see the year-by-year breakdown on this page for the specific cohort you're considering.

What are the common problems on the BMW 840i M Sport Auto?

The most common owner-reported issues are: A tyre seriously damaged (2.5% of inspections); A tyre cords visible or damaged (2% of inspections); A tyre seriously damaged (1.2% of inspections); The aim of a headlamp is not within limits laid down in the requirements (1% of inspections); A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber (0.6% of inspections).

What mileage is normal for a BMW 840i M Sport Auto?

For a typical BMW 840i M Sport Auto, owner-reported average mileage works out to about 41,710 km at 3 years, — at 5 years, and — at 10 years. The mileage section on this page shows the full distribution — high-use vs low-use cars often differ by a factor of three.

How do I check a specific BMW 840i M Sport Auto before buying?

Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car — model-level reliability tells you the pattern, the VIN check tells you the car.

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