BMW · 3 Series

BMW 3 Series F30 / F31 / F34(2012–2018)

Engines in this generation

N20engine page

Latest BMW 3 Series F30 / F31 / F34 guides

Diagnostics & Repair

BMW N20 P0299: why your 328i throws an underboost code, and what to check first

Nomicore Editorial Team · Sep 29, 2026

Diagnostic codes covered for this generation

C0110ABS Pump Motor Circuit Malfunction
P0299Turbocharger/Supercharger Underboost Condition

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