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Manifold Absolute Pressure Circuit Malfunction on BMW

BMW

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1 source
  • Official data (NHTSA)official_feed

What P0105 means

Caution — monitor closely

The manifold absolute pressure (MAP) sensor circuit signal is out of range. On BMW turbocharged engines the MAP/boost sensor is heavily relied upon; a vacuum leak here often also triggers boost-related codes.

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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.

Common causes

  • Manifold Absolute Pressure Circuit Malfunction

What to check first

  1. Check MAP sensor readings against known-good values
  2. Inspect vacuum lines for leaks
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