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B8 Sedan · Avant
Audi A4 · Sedan · Avant · 2008–2016
Supercharged S4 and the last naturally aspirated RS4 V8.
Production run
2008–2016
Engines covered
5
Avg. part price
—
19902026
Interactive systems map
Inspect the B8
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
Engine4
Cooling2
Intake3
Fuel1
Exhaust2
Documented issues per engine
5EA888
53.0T
44.2 V8
52.0 TDI
53.0 TDI
Known weak points
What breaks on the B8
Gen1/2 oil consumption (piston rings)Diagnose →Timing chain tensioner (Gen2)Diagnose →Supercharger coupler wearDiagnose →Thermostat failureDiagnose →Timing chain tensioners (front-of-engine job)Diagnose →Carbon buildup on FSI versionsDiagnose →PD injector loom and cam wear (PD era)Diagnose →DPF cloggingDiagnose →Swirl flap motorDiagnose →EGR coolerDiagnose →
Guides & playbooks
B8 playbooks
Maintenance scheduleGive me a mileage-based maintenance schedule for a Audi A4 B8, including the items the factory schedule skips.Buyer's inspectionI'm inspecting a used Audi A4 B8. What exactly should I check, test drive and look for underneath?Build planPlan a staged performance build for a Audi A4 B8 that stays reliable as a daily driver.Fault code lookupI have a fault code on my Audi A4 B8. Walk me through what it means and how to confirm the cause.
Fits your B8
Parts & tools
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