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E36 M42

BMW 3 Series · Sedan · Coupe · Compact · Cabrio · 1990–2000

1.8L 16v DOHC four — the enthusiast's small E30/E36 engine.

Production run

1990–2000

Engines covered

7

Avg. part price

—

19902026

Interactive systems map

Inspect the E36 M42

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

Cooling2

Fuel1

Documented issues per engine

4

M42

4

M44

4

M43

4

M50

4

M52

4

S50

4

S52

Known weak points

What breaks on the E36 M42

Profile gasket failure (oil into coolant)Diagnose →Timing chain tensionerDiagnose →Cracked plastic cooling partsDiagnose →Crank hub/oil pump nut on high mileageDiagnose →

Guides & playbooks

E36 M42 playbooks

Maintenance scheduleGive me a mileage-based maintenance schedule for a BMW 3 Series E36 M42, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used BMW 3 Series E36 M42. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a BMW 3 Series E36 M42 that stays reliable as a daily driver.Fault code lookupI have a fault code on my BMW 3 Series E36 M42. Walk me through what it means and how to confirm the cause.

Fits your E36 M42

Parts & tools

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