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F20 Hatch
BMW 1 Series · Hatch · 2011–2019
Last rear-wheel-drive 1-series, including the M140i.
Production run
2011–2019
Engines covered
8
Avg. part price
—
19902026
Interactive systems map
Inspect the F20
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
Engine3
Cooling4
Intake1
Fuel4
Exhaust2
Documented issues per engine
0N13
4N20
4N55
4B38
4B48
4B58
4N47
4B47
Known weak points
What breaks on the F20
Timing chain and guide failure (pre-2015)Diagnose →Oil filter housing gasket leakDiagnose →Plastic charge pipe crackingDiagnose →Coolant pumpDiagnose →Vacuum pump seepageDiagnose →Coolant leaks at the pumpDiagnose →Coolant pump / thermostatDiagnose →Valve cover gasket seepageDiagnose →Timing chain at the rear of the block (major job)Diagnose →EGR coolerDiagnose →DPF and AdBlue faultsDiagnose →
Guides & playbooks
F20 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 1 Series F20, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 1 Series F20. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 1 Series F20 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 1 Series F20. Walk me through what it means and how to confirm the cause.
Fits your F20
Parts & tools
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