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G15 Coupe · Cabrio · Gran Coupe

BMW 8 Series · Coupe · Cabrio · Gran Coupe · 2018–

Modern 8-series grand tourer, including the M8.

Production run

2018–now

Engines covered

3

Avg. part price

—

19902026

Interactive systems map

Inspect the G15

Tap a hotspot to inspect that system

Systems map

Where it goes wrong

Each numbered hotspot counts the documented failure points in that area. Select one to see the specifics for this chassis and engine.

Failure points by system

Engine4

Cooling2

Intake1

Fuel1

Documented issues per engine

4

B58

4

N63

4

S63

Known weak points

What breaks on the G15

Coolant pump / thermostatDiagnose →Valve cover gasket seepageDiagnose →Valve stem seals and oil consumptionDiagnose →Turbo and coolant pipe failuresDiagnose →Rod bearings on hard useDiagnose →Oil consumptionDiagnose →

Guides & playbooks

G15 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 8 Series G15, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 8 Series G15. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 8 Series G15 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 8 Series G15. Walk me through what it means and how to confirm the cause.

Fits your G15

Parts & tools

Full catalog & export

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