BMW brand mark

2015–2022 BMW 7 Series · common problems & known faults

Luxury saloon values fall hard, so pre-purchase evidence matters far more than the sticker price.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026

Quick answer

The most commonly reported faults on the 2015–2022 BMW 7 Series are Air suspension compressor and bag failures, Timing chain and turbo oil feed wear on diesel sixes and Water pump and thermostat failures. 3 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.

Reliability snapshot

Based on the documented faults on this page for the BMW 7 Series.

6.1/ 10
Mixed
Critical
0
High
3
Medium
1
Low
0

Guidance only · reflects reported patterns, not a specific car's condition.

BMW 7 Series problems by year

Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.

Known faults to check

SuspensionHigh

Air suspension compressor and bag failures

Typically appears
70,000+ miles
What to inspect
Check for sagging and listen for a labouring compressor
ElectricalMedium

Comfort access, gesture control and display glitches

Typically appears
Age-related
What to inspect
Test every door handle, screen and driver assist feature
EngineHigh

Timing chain and turbo oil feed wear on diesel sixes

Typically appears
90,000+ miles
What to inspect
Cold start listen and check for oil leaks at the turbo
CoolingHigh

Water pump and thermostat failures

Typically appears
70,000+ miles
What to inspect
Run to temperature and watch the gauge and coolant level

Inspecting a BMW 7 Series?

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Frequently asked questions

Should a dealer stock one?

Only with a warranty buffer. Repair bills scale with the badge.

Best quick check?

Overnight ride height plus a full module scan.

Do these hold value?

No, which is why buying condition over spec is the profitable route.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.