P1397 — BMW — Camshaft Position Sensor B Circuit Bank 1

P1397 (BMW): Camshaft Position Sensor B Circuit Bank 1 — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Camshaft Position Sensor B Circuit Bank 1. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain