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E90 N54

BMW 3 Series · Sedan · 2005–2011

3.0L twin-turbo six. Huge tuning headroom, long list of weak points.

Production run

2005–2011

Engines covered

8

Avg. part price

—

19902026

Interactive systems map

Inspect the E90 N54

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

Intake2

Fuel2

Documented issues per engine

4

N52

4

N51

4

N53

4

N54

4

N55

0

N43

4

M57

4

N47

Known weak points

What breaks on the E90 N54

HPFP failure / long crankDiagnose →Injector leaks and misfiresDiagnose →Wastegate rattleDiagnose →Walnut-blast carbon buildupDiagnose →

Guides & playbooks

E90 N54 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 3 Series E90 N54, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 3 Series E90 N54. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 3 Series E90 N54 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 3 Series E90 N54. Walk me through what it means and how to confirm the cause.

Fits your E90 N54

Parts & tools

Full catalog & export

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