P1158 — BMW — Fuel Trim Adaptation Additive Bank 1 Low

P1158 (BMW): Fuel Trim Adaptation Additive Bank 1 Low — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

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

Affected system: Powertrain