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Home >> BMW >> 2007 >> 335i 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0010 - P14C6 (N54) >> BMW MSD80 >> DTC P0052, BMW Hex Code 0x2C9D, BMW Code 11421: HO2S Heater Control Circuit High (Bank 2 Sensor 1) (MAX) >> Repair procedures (plant/service)

Repair procedures (plant/service)

  1. Visual inspection of wires, DME plug and O2 sensor for damage
  2. Check wires
  3. Check plug-in connections DME <=> Wiring harness <=> Upstream O2 sensor forward of catalyst for Bank 2
  4. Replace O2 sensor
  5. Replace DME
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