P1174 — BMW — Fuel Trim Adaptation Additive Bank 1 Malfunction

P1174 (BMW): Fuel Trim Adaptation Additive Bank 1 Malfunction — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Fuel Trim Adaptation Additive Bank 1 Malfunction. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain