P1210 – Turbocharger Overspeed (BMW)

Description

P1210 BMW indicates the turbocharger is spinning faster than safe limits.

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Symptoms

  • Whistling noise
  • Limp mode
  • Reduced power

Causes

  • Wastegate stuck closed
  • Boost control fault
  • Air leak before turbo

Diagnosis

  • Check wastegate
  • Inspect boost control
  • Check intake leaks

Repair

  • Repair wastegate
  • Fix boost control
  • Repair intake

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