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Replacement and OEM Parts for 2018 BMW 540i xDrive Oxygen Sensor

2018 BMW 540i xDrive Oxygen Sensor

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2018 BMW 540i xDrive
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Oxygen Sensors
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  • OEM 2018 BMW 540i xDrive Oxygen Sensor Diagram - 11-78-8-644-371
    View Related Parts

    OEM (Genuine) 2018 BMW 540i xDrive Oxygen Sensor

    PartNumber: 11-78-8-644-371
    OEM 2018 BMW 540i xDrive Oxygen Sensor - 11-78-8-644-371
    Product Specifications
    • Notes: 3.0 Liter Gas
    • Other Names: Front Oxygen Sensor, Upper Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Oxygen Sensor
    More Info
    $256.30 MSRP: $395.54
    You Save: $139.24 (36%)
  • Walker Products Wideband Premium Oxygen Sensor for 2018 BMW 540i xDrive - 250-25132

    Walker Products® Wideband Premium Oxygen Sensor for 2018 BMW 540i xDrive

    PartNumber: 250-25132
    Product Specifications
    • Notes: B1S1
    • Connector Gender: Male
    • Position: Upstream
    • UPC: 724620130311
    • Part Description: Wideband Premium Oxygen Sensor
    More Info
    $123.79
  • OEM 2018 BMW 540i xDrive Oxygen Sensor Diagram - 11-78-8-611-294
    View Related Parts

    OEM (Genuine) 2018 BMW 540i xDrive Oxygen Sensor

    PartNumber: 11-78-8-611-294
    OEM 2018 BMW 540i xDrive Oxygen Sensor - 11-78-8-611-294
    Product Specifications
    • Notes: 3.0 Liter Gas
    • Other Names: Lower Oxygen Sensor, Rear Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Oxygen Sensor
    More Info
    $206.75 MSRP: $316.44
    You Save: $109.69 (35%)
  • Walker Products Premium Oxygen Sensor for 2018 BMW 540i xDrive - 350-35112

    Walker Products® Premium Oxygen Sensor for 2018 BMW 540i xDrive

    PartNumber: 350-35112
    Product Specifications
    • Notes: Upstream; B1S1
    • Connector Gender: Female
    • Overall Length: 15.87
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620154324
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32
    • Wires Quantity: 5 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $79.29
  • Walker Products Wideband Premium Oxygen Sensor for 2018 BMW 540i xDrive - 250-241214

    Walker Products® Wideband Premium Oxygen Sensor for 2018 BMW 540i xDrive

    PartNumber: 250-241214
    Product Specifications
    • Notes: B1S2
    • Connector Gender: Male
    • Position: Downstream
    • UPC: 724620130342
    • Part Description: Wideband Premium Oxygen Sensor
    More Info
    $87.18
  • Walker Products Premium Oxygen Sensor for 2018 BMW 540i xDrive - 350-34673

    Walker Products® Premium Oxygen Sensor for 2018 BMW 540i xDrive

    PartNumber: 350-34673
    Product Specifications
    • Notes: Downstream; B1S2
    • Connector Gender: Female
    • Location: B1S1
    • Overall Length: 22.76
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620154355
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 19.21
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $71.65
  • Denso Air Fuel Ratio Sensor for 2018 BMW 540i xDrive - 234-5712

    Denso® Air Fuel Ratio Sensor for 2018 BMW 540i xDrive

    PartNumber: 234-5712
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.701" (17.81 mm)
    • UPC: 042511122970
    • Wire Harness Length: 13.19" (335.03 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Air Fuel Ratio Sensor
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  • Denso Oxygen Sensor for 2018 BMW 540i xDrive - 234-8012

    Denso® Oxygen Sensor for 2018 BMW 540i xDrive

    PartNumber: 234-8012
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Threaded
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.705" (17.91 mm)
    • UPC: 042511123083
    • Wire Harness Length: 20.71" (526.03 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info