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Replacement and OEM Parts for BMW 323i Oxygen Sensor
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BMW 323i Oxygen Sensor

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Oxygen Sensors
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  • OEM (Genuine) BMW 323i Front Or Rear Upstream Oxygen Sensor

    PartNumber: 11-78-1-742-050
    OEM BMW 323i Front Or Rear Upstream Oxygen Sensor - 11-78-1-742-050
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-78-1-433-075, 11-78-1-742-049
    • Part Description: BMW 323i Front Or Rear Upstream Oxygen Sensor
    More Info
    $283.02 MSRP: $332.20
    You Save: $49.18 (15%)
  • Denso Air Fuel Ratio Sensor for BMW 323i - 234-5135

    Denso® Air Fuel Ratio Sensor for BMW 323i

    PartNumber: 234-5135
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116818
    • Wire Harness Length: 14.29" (363 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Air Fuel Ratio Sensor
    More Info
    $126.24
  • Delphi Oxygen Sensor for BMW 323i - ES10899

    Delphi® Oxygen Sensor for BMW 323i

    PartNumber: ES10899
    Product Specifications
    • Connector Shape: Round
    • Position: Front
    • Terminal Quantity: 4
    • UPC: 689604146774
    • Wire Harness Length: 18" (450 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $82.86
  • Spectra Premium Oxygen Sensor for BMW 323i - OS5513

    Spectra Premium® Oxygen Sensor for BMW 323i

    PartNumber: OS5513
    Product Specifications
    • Connector Gender: Female
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 14 3/4"
    • Position: Downstream Driver Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607538984
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $14.29
  • OEM (Genuine) BMW 323i Oxygen Sensor

    PartNumber: 11-78-1-433-940
    OEM BMW 323i Oxygen Sensor - 11-78-1-433-940
    Product Specifications
    • Other Names: Front Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $204.71 MSRP: $313.31
    You Save: $108.60 (35%)
  • Walker Products Titania Premium Oxygen Sensor for BMW 323i - 250-24810

    Walker Products® Titania Premium Oxygen Sensor for BMW 323i

    PartNumber: 250-24810
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 1-3
    • Overall Length: 40.08"(1018.032 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620042447
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 36.54"(928.116 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Titania Premium Oxygen Sensor
    More Info
    $123.37
  • Denso Air Fuel Ratio Sensor for BMW 323i - 234-5138

    Denso® Air Fuel Ratio Sensor for BMW 323i

    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 323i Air Fuel Ratio Sensor
    More Info
    $119.57
  • NTK OE Type Oxygen Sensor for BMW 323i - 25676

    NTK® OE Type Oxygen Sensor for BMW 323i

    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 323i OE Type Oxygen Sensor
    More Info
    $68.92
  • Delphi Oxygen Sensor for BMW 323i - ES10857

    Delphi® Oxygen Sensor for BMW 323i

    PartNumber: ES10857
    Product Specifications
    • Connector Shape: Round
    • Position: Rear
    • Terminal Quantity: 4
    • UPC: 689604146675
    • Wire Harness Length: 39.6" (990 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $71.27
  • Spectra Premium Oxygen Sensor for BMW 323i - OS5024

    Spectra Premium® Oxygen Sensor for BMW 323i

    PartNumber: OS5024
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 40 1/2"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156720
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $13.40
  • OEM (Genuine) BMW 323i Heated Oxygen Sensor Air Fuel Ratio Sensor

    PartNumber: 11-78-1-427-884
    OEM BMW 323i Heated Oxygen Sensor Air Fuel Ratio Sensor - 11-78-1-427-884
    Product Specifications
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 323i Heated Oxygen Sensor Air Fuel Ratio Sensor
    More Info
    $264.21 MSRP: $328.63
    You Save: $64.42 (20%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 323i - 250-25046

    Walker Products® Wideband Premium Oxygen Sensor for BMW 323i

    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 323i Wideband Premium Oxygen Sensor
    More Info
    $115.84
  • Denso Air Fuel Ratio Sensor for BMW 323i - 234-5139

    Denso® Air Fuel Ratio Sensor for BMW 323i

    PartNumber: 234-5139
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116856
    • Wire Harness Length: 60.43" (1534.9 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Air Fuel Ratio Sensor
    More Info
    $106.85
  • NTK OE Type Oxygen Sensor for BMW 323i - 25569

    NTK® OE Type Oxygen Sensor for BMW 323i

    PartNumber: 25569
    Product Specifications
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295255698
    • Wire Quantity: 4
    • Wiring Harness Length: 13.7500
    • Part Description: BMW 323i OE Type Oxygen Sensor
    More Info
    $60.67
  • OEM (Genuine) BMW 323i Oxygen Sensor

    PartNumber: 11-78-1-437-943
    OEM BMW 323i Oxygen Sensor - 11-78-1-437-943
    Product Specifications
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $258.52 MSRP: $326.42
    You Save: $67.90 (21%)
  • Walker Products Wideband Premium Oxygen Sensor for BMW 323i - 250-25018

    Walker Products® Wideband Premium Oxygen Sensor for BMW 323i

    PartNumber: 250-25018
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 1-3
    • Overall Length: 61.14"(1552.956 mm)
    • Position: Upstream Front
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014031
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 57.6"(1463.04 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Wideband Premium Oxygen Sensor
    More Info
    $106.69
  • Denso Oxygen Sensor for BMW 323i - 234-4876

    Denso® Oxygen Sensor for BMW 323i

    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 323i Oxygen Sensor
    More Info
    $79.77
  • Walker Products Oxygen Sensor for BMW 323i - 350-35078

    Walker Products® Oxygen Sensor for BMW 323i

    PartNumber: 350-35078
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: Cylinders 1-3
    • Overall Length: 61.14"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620095436
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 57.6"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $106.69
  • Walker Products Wideband Premium Oxygen Sensor for BMW 323i - 250-25042

    Walker Products® Wideband Premium Oxygen Sensor for BMW 323i

    PartNumber: 250-25042
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 15.87"(403.098 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018664
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Wideband Premium Oxygen Sensor
    More Info
    $102.98
  • Denso Oxygen Sensor for BMW 323i - 234-4877

    Denso® Oxygen Sensor for BMW 323i

    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 323i Oxygen Sensor
    More Info
    $72.79
  • Walker Products Oxygen Sensor for BMW 323i - 350-34180

    Walker Products® Oxygen Sensor for BMW 323i

    PartNumber: 350-34180
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 16.85"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620090011
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $98.97
  • Denso Universal Fit Oxygen Sensor for BMW 323i - 234-4201

    Denso® Universal Fit Oxygen Sensor for BMW 323i

    PartNumber: 234-4201
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142015
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Universal Fit Oxygen Sensor
    More Info
    $70.90
  • Walker Products Oxygen Sensor for BMW 323i - 350-35076

    Walker Products® Oxygen Sensor for BMW 323i

    PartNumber: 350-35076
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 15.87"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620095412
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $103.93
  • Denso Oxygen Sensor for BMW 323i - 234-4683

    Denso® Oxygen Sensor for BMW 323i

    PartNumber: 234-4683
    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: 042511111585
    • Wire Harness Length: 38.78" (985 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $64.63
  • Walker Products Oxygen Sensor for BMW 323i - 350-34095

    Walker Products® Oxygen Sensor for BMW 323i

    PartNumber: 350-34095
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: Cylinders 1-3
    • Overall Length: 40.08"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620089190
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 36.54"
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $92.21
  • Denso Oxygen Sensor for BMW 323i - 234-4672

    Denso® Oxygen Sensor for BMW 323i

    PartNumber: 234-4672
    Product Specifications
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511111486
    • Wire Harness Length: 13.39" (340.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $57.87
  • Walker Products Premium Oxygen Sensor for BMW 323i - 250-24465

    Walker Products® Premium Oxygen Sensor for BMW 323i

    PartNumber: 250-24465
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 4-6
    • Overall Length: 20.79"(528.066 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043475
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 17.24"(437.896 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Premium Oxygen Sensor
    More Info
    $81.70
  • Walker Products Premium Oxygen Sensor for BMW 323i - 250-24713

    Walker Products® Premium Oxygen Sensor for BMW 323i

    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 323i Premium Oxygen Sensor
    More Info
    $81.93
  • Walker Products Oxygen Sensor for BMW 323i - 350-34107

    Walker Products® Oxygen Sensor for BMW 323i

    PartNumber: 350-34107
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Location: Cylinders 4-6
    • Overall Length: 20.79"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620089305
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 17.24"
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 323i Oxygen Sensor
    More Info
    $72.02
  • Walker Products Premium Oxygen Sensor for BMW 323i - 250-24464

    Walker Products® Premium Oxygen Sensor for BMW 323i

    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 323i Premium Oxygen Sensor
    More Info
    $60.17
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About BMW 323i Oxygen Sensor

The BMW 323i has extra equipment and better handling. The handling of the brand is supple and more than comfortable on most surfaces. Classic parts like the oxygen sensor parts contribute to the success of the 323i. As an electronic device, the oxygen sensor has the ability to measure oxygen that is in gas or liquid.
During the development of 323i, many popular parts have been built. While maintenance and upgrades for its oxygen sensor are required after a long time of usage. The removal process for a 323i oxygen sensor is as follows. First, disconnect the negative battery terminal. Next, locate the oxygen sensor. Then use an oxygen sensor wrench to remove the sensor (Remove the nuts if needed). And finally, disconnect the electrical plug. Always remember to torque the new oxygen sensor to the recommended torque and apply anti-seize to the threads to avoid it from getting rusted and stuck in place. From the body parts to the performance parts, a long catalog of advanced 323i products is given here. Get helpful 323i parts at a low price online with just a few clicks.

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