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F30 N20

BMW 3 Series · Sedan · 2012–2018

2.0L turbo four; strong torque, weak early timing chain.

Production run

2012–2018

Engines covered

8

Avg. part price

—

19902026

Interactive systems map

Inspect the F30 N20

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

Engine2

Intake1

Documented issues per engine

4

N20

4

N26

4

N55

4

B48

4

B58

4

N47

4

B47

4

N57

Known weak points

What breaks on the F30 N20

Timing chain and guide failure (pre-2015)Diagnose →Oil filter housing gasket leakDiagnose →Turbo oil feed line cokingDiagnose →Valve cover crackingDiagnose →

Guides & playbooks

F30 N20 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 3 Series F30 N20, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 3 Series F30 N20. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 3 Series F30 N20 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 3 Series F30 N20. Walk me through what it means and how to confirm the cause.

Fits your F30 N20

Parts & tools

Full catalog & export

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