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Replacement and OEM Parts for BMW 550i Oxygen Sensor
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BMW 550i Oxygen Sensor

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Oxygen Sensors
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  • OEM BMW 550i O2 Oxygen Sensor Pre Catalytic Converter Diagram - 11-78-7-576-673
    View Related Parts

    OEM (Genuine) BMW 550i O2 Oxygen Sensor Pre Catalytic Converter

    PartNumber: 11-78-7-576-673
    OEM BMW 550i O2 Oxygen Sensor Pre Catalytic Converter - 11-78-7-576-673
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i O2 Oxygen Sensor Pre Catalytic Converter
    More Info
    $256.30 MSRP: $395.54
    You Save: $139.24 (36%)
  • Delphi Oxygen Sensor for BMW 550i - ES11081

    Delphi® Oxygen Sensor for BMW 550i

    PartNumber: ES11081
    Product Specifications
    • Connector Color: Black
    • Connector Shape: Square
    • Location: Manifold
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604213971
    • Wire Harness Length: 42" (1050 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $146.36
  • Spectra Premium Oxygen Sensor for BMW 550i - OS6215

    Spectra Premium® Oxygen Sensor for BMW 550i

    PartNumber: OS6215
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Rectangular
    • Installation Type: Screw
    • OE Part Number: 11787594149, 11787595353, 11787576673
    • Overall Length: 20" (508 mm)
    • Position: Upstream
    • UPC: 671607569803
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $161.58
  • OEM BMW 550i Oxygen Sensor, Black Diagram - 11-78-7-539-125
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor, Black

    PartNumber: 11-78-7-539-125
    OEM BMW 550i Oxygen Sensor, Black - 11-78-7-539-125
    Product Specifications
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor, Black
    More Info
    $206.75 MSRP: $316.44
    You Save: $109.69 (35%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 550i - 250-25044

    Walker Products® Wideband Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-25044
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 28.66"(727.964 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018688
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 25.12"(638.048 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Wideband Premium Oxygen Sensor
    More Info
    $97.82
  • Denso Air Fuel Ratio Sensor for BMW 550i - 234-5138

    Denso® Air Fuel Ratio Sensor for BMW 550i

    PartNumber: 234-5138
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 4,5,6
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116849
    • Wire Harness Length: 46.85" (1190 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Air Fuel Ratio Sensor
    More Info
    $119.57
  • NTK OE Type Oxygen Sensor for BMW 550i - 25676

    NTK® OE Type Oxygen Sensor for BMW 550i

    PartNumber: 25676
    Product Specifications
    • Installation Type: Screw
    • Location: CylInders 1-3 / B1S2
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 087295256763
    • Wire Harness Length: 21.75" (552.5 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i OE Type Oxygen Sensor
    More Info
    $68.92
  • Delphi Oxygen Sensor for BMW 550i - ES11080

    Delphi® Oxygen Sensor for BMW 550i

    PartNumber: ES11080
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604213964
    • Wire Harness Length: 27.4" (685 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $144.83
  • OEM BMW 550i Rear Oxygen Sensor Diagram - 11-78-7-614-322
    View Related Parts

    OEM (Genuine) BMW 550i Rear Oxygen Sensor

    PartNumber: 11-78-7-614-322
    OEM BMW 550i Rear Oxygen Sensor - 11-78-7-614-322
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-78-7-526-262
    • Part Description: BMW 550i Rear Oxygen Sensor
    More Info
    $206.75 MSRP: $316.44
    You Save: $109.69 (35%)
  • Walker Products Oxygen Sensor for BMW 550i - 350-35030

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-35030
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 28.66"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094965
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 25.12"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $91.62
  • Denso Oxygen Sensor for BMW 550i - 234-4876

    Denso® Oxygen Sensor for BMW 550i

    PartNumber: 234-4876
    Product Specifications
    • Connector Gender: Female
    • Installation Type: Screw
    • Location: Cylinder 1,2,3
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116757
    • Wire Harness Length: 21.57" (547.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $79.77
  • Delphi Oxygen Sensor for BMW 550i - ES20376

    Delphi® Oxygen Sensor for BMW 550i

    PartNumber: ES20376
    Product Specifications
    • Connector Shape: Round
    • Overall Length: 18.2" (455 mm)
    • Position: Rear Driver Side
    • Terminal Quantity: 4
    • UPC: 689604201749
    • Wire Harness Length: 17" (425 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $104.08
  • OEM BMW 550i Oxygen Sensor, Black Diagram - 11-78-7-561-410
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor, Black

    PartNumber: 11-78-7-561-410
    OEM BMW 550i Oxygen Sensor, Black - 11-78-7-561-410
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor, Black
    More Info
    $256.30 MSRP: $395.54
    You Save: $139.24 (36%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 550i - 250-25087

    Walker Products® Wideband Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-25087
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 19.8"(502.92 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620051715
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 16.26"(413.004 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Wideband Premium Oxygen Sensor
    More Info
    $118.20
  • Denso Oxygen Sensor for BMW 550i - 234-4875

    Denso® Oxygen Sensor for BMW 550i

    PartNumber: 234-4875
    Product Specifications
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511111967
    • Wire Harness Length: 12.2" (309.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $77.10
  • OEM BMW 550i Oxygen Sensor, Black Diagram - 11-78-7-535-269
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor, Black

    PartNumber: 11-78-7-535-269
    OEM BMW 550i Oxygen Sensor, Black - 11-78-7-535-269
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor, Black
    More Info
    $256.30 MSRP: $395.54
    You Save: $139.24 (36%)
  • Walker Products Oxygen Sensor for BMW 550i - 350-35012

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-35012
    Product Specifications
    • Connector Gender: Female
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 19.8"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094781
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 16.26"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $92.81
  • Denso Oxygen Sensor for BMW 550i - 234-4877

    Denso® Oxygen Sensor for BMW 550i

    PartNumber: 234-4877
    Product Specifications
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116764
    • Wire Harness Length: 17.13" (435.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $72.79
  • OEM BMW 550i Front Left Oxygen Sensor, Grey Diagram - 11-78-7-539-124
    View Related Parts

    OEM (Genuine) BMW 550i Front Left Oxygen Sensor, Grey

    PartNumber: 11-78-7-539-124
    OEM BMW 550i Front Left Oxygen Sensor, Grey - 11-78-7-539-124
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Front Left Oxygen Sensor, Grey
    More Info
    $284.32 MSRP: $401.59
    You Save: $117.27 (30%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 550i - 250-25046

    Walker Products® Wideband Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-25046
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 4-6
    • Overall Length: 42.44"(1077.976 mm)
    • Position: Upstream Rear
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018701
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 38.9"(988.06 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Wideband Premium Oxygen Sensor
    More Info
    $115.84
  • OEM BMW 550i Oxygen Sensor Front Right, Black Diagram - 11-78-7-540-166
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor Front Right, Black

    PartNumber: 11-78-7-540-166
    OEM BMW 550i Oxygen Sensor Front Right, Black - 11-78-7-540-166
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor Front Right, Black
    More Info
    $284.32 MSRP: $401.59
    You Save: $117.27 (30%)
  • Walker Products Oxygen Sensor for BMW 550i - 350-35058

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-35058
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: Cylinders 1-3
    • Overall Length: 42.44"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620095238
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 38.9"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $79.29
  • OEM BMW 550i Oxygen Sensor, Grey Diagram - 11-78-7-540-168
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor, Grey

    PartNumber: 11-78-7-540-168
    OEM BMW 550i Oxygen Sensor, Grey - 11-78-7-540-168
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor, Grey
    More Info
    $284.32 MSRP: $401.59
    You Save: $117.27 (30%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 550i - 250-25043

    Walker Products® Wideband Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-25043
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 22.76"(578.104 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018671
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 19.21"(487.934 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Wideband Premium Oxygen Sensor
    More Info
    $108.17
  • OEM BMW 550i Oxygen Sensor, Grey Diagram - 11-78-7-539-126
    View Related Parts

    OEM (Genuine) BMW 550i Oxygen Sensor, Grey

    PartNumber: 11-78-7-539-126
    OEM BMW 550i Oxygen Sensor, Grey - 11-78-7-539-126
    Product Specifications
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 550i Oxygen Sensor, Grey
    More Info
    $284.32 MSRP: $401.59
    You Save: $117.27 (30%)
  • Walker Products Oxygen Sensor for BMW 550i - 350-35019

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-35019
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 22.76"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094859
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 19.21"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $82.05
  • Walker Products Premium Oxygen Sensor for BMW 550i - 250-24713

    Walker Products® Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-24713
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 1-3
    • Overall Length: 24.72"(627.888 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014291
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 21.18"(537.972 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Premium Oxygen Sensor
    More Info
    $81.93
  • Walker Products Premium Oxygen Sensor for BMW 550i - 250-24464

    Walker Products® Premium Oxygen Sensor for BMW 550i

    PartNumber: 250-24464
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 17.83"(452.882 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043468
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 14.29"(362.966 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Premium Oxygen Sensor
    More Info
    $60.17
  • Walker Products Oxygen Sensor for BMW 550i - 350-34621

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-34621
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: Cylinders 4-6
    • Overall Length: 24.72"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094316
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 21.18"
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $78.07
  • Walker Products Oxygen Sensor for BMW 550i - 350-34215

    Walker Products® Oxygen Sensor for BMW 550i

    PartNumber: 350-34215
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 17.83"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620090356
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 14.29"
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 550i Oxygen Sensor
    More Info
    $49.89
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