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G21 Touring

BMW 3 Series · Touring · 2019–

Wagon G2x with the same modular drivetrains.

Production run

2019–now

Engines covered

4

Avg. part price

—

19902026

Interactive systems map

Inspect the G21

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

Engine1

Cooling3

Fuel3

Exhaust3

Documented issues per engine

4

B48

4

B58

4

B47

4

B57

Known weak points

What breaks on the G21

Coolant leaks at the pumpDiagnose →Vacuum pump seepageDiagnose →Coolant pump / thermostatDiagnose →Valve cover gasket seepageDiagnose →EGR coolerDiagnose →DPF and AdBlue faultsDiagnose →AdBlue system faultsDiagnose →

Guides & playbooks

G21 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 3 Series G21, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 3 Series G21. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 3 Series G21 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 3 Series G21. Walk me through what it means and how to confirm the cause.

Fits your G21

Parts & tools

Full catalog & export

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