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Replacement and OEM Parts for BMW 325i Oxygen Sensor
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BMW 325i Oxygen Sensor

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Oxygen Sensors
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  • OEM (Genuine) BMW 325i Front Or Rear Upstream Oxygen Sensor

    PartNumber: 11-78-1-742-050
    OEM BMW 325i 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 325i 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 325i - 234-5135

    Denso® Air Fuel Ratio Sensor for BMW 325i

    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 325i Air Fuel Ratio Sensor
    More Info
    $126.24
  • OEM (Genuine) BMW 325i Air Fuel Ratio O2 Oxygen Sensor

    PartNumber: 11-78-7-558-055
    OEM BMW 325i Air Fuel Ratio O2 Oxygen Sensor - 11-78-7-558-055
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 325i Air Fuel Ratio O2 Oxygen Sensor
    More Info
    $253.75 MSRP: $391.61
    You Save: $137.86 (36%)
  • Delphi Oxygen Sensor for BMW 325i - ES11081

    Delphi® Oxygen Sensor for BMW 325i

    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 325i Oxygen Sensor
    More Info
    $146.36
  • Denso Air Fuel Ratio Sensor for BMW 325i - 234-5138

    Denso® Air Fuel Ratio Sensor for BMW 325i

    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 325i Air Fuel Ratio Sensor
    More Info
    $119.57
  • OEM (Genuine) BMW 325i O2 Oxygen Sensor

    PartNumber: 11-78-7-545-074
    OEM BMW 325i O2 Oxygen Sensor - 11-78-7-545-074
    Product Specifications
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 325i O2 Oxygen Sensor
    More Info
    $204.71 MSRP: $313.31
    You Save: $108.60 (35%)
  • NTK OE Type 5-Wire Wideband A/F Sensor for BMW 325i - 24317

    NTK® OE Type 5-Wire Wideband A/F Sensor for BMW 325i

    PartNumber: 24317
    Product Specifications
    • Meets or Exceeds Original Equipment Manufacture Specifications: Yes
    • Mounting Bracket Included: No
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Thread Length: 0.38
    • Universal Or Specific Fit: Specific
    • UPC: 087295243176
    • Wire Quantity: 5
    • Wiring Harness Length: 57.0
    • Part Description: BMW 325i OE Type 5-Wire Wideband A/F Sensor
    More Info
    $112.85
  • Walker Products Wideband Premium Oxygen Sensor for BMW 325i - 250-25046

    Walker Products® Wideband Premium Oxygen Sensor for BMW 325i

    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 325i Wideband Premium Oxygen Sensor
    More Info
    $115.84
  • Delphi Oxygen Sensor for BMW 325i - ES10914

    Delphi® Oxygen Sensor for BMW 325i

    PartNumber: ES10914
    Product Specifications
    • Connector Shape: Round
    • Position: Rear
    • Terminal Quantity: 4
    • UPC: 689604146828
    • Wire Harness Length: 40" (1000 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $123.28
  • Denso Air Fuel Ratio Sensor for BMW 325i - 234-5139

    Denso® Air Fuel Ratio Sensor for BMW 325i

    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 325i Air Fuel Ratio Sensor
    More Info
    $106.85
  • OEM (Genuine) BMW 325i Rear Oxygen Sensor

    PartNumber: 11-78-7-545-075
    OEM BMW 325i Rear Oxygen Sensor - 11-78-7-545-075
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 325i Rear Oxygen Sensor
    More Info
    $204.71 MSRP: $313.31
    You Save: $108.60 (35%)
  • Spectra Premium Oxygen Sensor for BMW 325i - OS5428

    Spectra Premium® Oxygen Sensor for BMW 325i

    PartNumber: OS5428
    Product Specifications
    • Connector Gender: Female
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 60 3/16"
    • Sensor Type: Heated
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159387
    • Wrench Size: 0.88"(22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $13.66
  • Walker Products Oxygen Sensor for BMW 325i - 350-35058

    Walker Products® Oxygen Sensor for BMW 325i

    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 325i Oxygen Sensor
    More Info
    $116.89
  • Delphi Oxygen Sensor for BMW 325i - ES10922

    Delphi® Oxygen Sensor for BMW 325i

    PartNumber: ES10922
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604146897
    • Wire Harness Length: 58" (1450 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $111.66
  • Denso Air Fuel Ratio Sensor for BMW 325i - 234-5137

    Denso® Air Fuel Ratio Sensor for BMW 325i

    PartNumber: 234-5137
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116832
    • Wire Harness Length: 38.66" (982 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 325i Air Fuel Ratio Sensor
    More Info
    $112.43
  • OEM (Genuine) BMW 325i Oxygen Sensor

    PartNumber: 11-78-7-558-073
    OEM BMW 325i Oxygen Sensor - 11-78-7-558-073
    Product Specifications
    • Other Names: Front Oxygen Sensor, Rear Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $253.75 MSRP: $391.61
    You Save: $137.86 (36%)
  • Spectra Premium Oxygen Sensor for BMW 325i - OS5024

    Spectra Premium® Oxygen Sensor for BMW 325i

    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 325i Oxygen Sensor
    More Info
    $13.40
  • NTK OE Type Oxygen Sensor for BMW 325i - 25676

    NTK® OE Type Oxygen Sensor for BMW 325i

    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 325i OE Type Oxygen Sensor
    More Info
    $68.92
  • Walker Products Wideband Premium Oxygen Sensor for BMW 325i - 250-25018

    Walker Products® Wideband Premium Oxygen Sensor for BMW 325i

    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 325i Wideband Premium Oxygen Sensor
    More Info
    $106.69
  • Delphi Oxygen Sensor for BMW 325i - ES10246

    Delphi® Oxygen Sensor for BMW 325i

    PartNumber: ES10246
    Product Specifications
    • Connector Shape: Round
    • Position: Upstream
    • Terminal Quantity: 4
    • UPC: 689604087121
    • Wire Harness Length: 20.8" (520 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $103.11
  • Denso Air Fuel Ratio Sensor for BMW 325i - 234-5134

    Denso® Air Fuel Ratio Sensor for BMW 325i

    PartNumber: 234-5134
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116801
    • Wire Harness Length: 40.67" (1033 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 325i Air Fuel Ratio Sensor
    More Info
    $112.55
  • OEM (Genuine) BMW 325i Oxygen Sensor

    PartNumber: 11-78-1-716-156
    OEM BMW 325i Oxygen Sensor - 11-78-1-716-156
    Product Specifications
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 11-78-1-286-638, 11-78-1-289-522
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $226.74 MSRP: $271.59
    You Save: $44.85 (17%)
  • Spectra Premium Oxygen Sensor for BMW 325i - OS5014

    Spectra Premium® Oxygen Sensor for BMW 325i

    PartNumber: OS5014
    Product Specifications
    • Connector Gender: Female
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 21 1/4"
    • Position: Upstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156621
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $13.12
  • Walker Products Oxygen Sensor for BMW 325i - 350-35078

    Walker Products® Oxygen Sensor for BMW 325i

    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 325i Oxygen Sensor
    More Info
    $106.69
  • NTK OE Type Oxygen Sensor for BMW 325i - 25569

    NTK® OE Type Oxygen Sensor for BMW 325i

    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 325i OE Type Oxygen Sensor
    More Info
    $60.67
  • Delphi Oxygen Sensor for BMW 325i - ES10899

    Delphi® Oxygen Sensor for BMW 325i

    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 325i Oxygen Sensor
    More Info
    $82.86
  • Denso Oxygen Sensor for BMW 325i - 234-4473

    Denso® Oxygen Sensor for BMW 325i

    PartNumber: 234-4473
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116733
    • Wire Harness Length: 38.58" (979.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $89.66
  • OEM (Genuine) BMW 325i Oxygen Sensor

    PartNumber: 11-78-1-310-838
    OEM BMW 325i Oxygen Sensor - 11-78-1-310-838
    Product Specifications
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $280.19 MSRP: $338.41
    You Save: $58.22 (18%)
  • Spectra Premium Oxygen Sensor for BMW 325i - OS5514

    Spectra Premium® Oxygen Sensor for BMW 325i

    PartNumber: OS5514
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 41 1/2"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607538991
    • Wrench Size: 0.88" (22 mm)
    • Part Description: BMW 325i Oxygen Sensor
    More Info
    $13.09
  • Walker Products Wideband Premium Oxygen Sensor for BMW 325i - 250-25016

    Walker Products® Wideband Premium Oxygen Sensor for BMW 325i

    PartNumber: 250-25016
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 1-3
    • Overall Length: 40.47"(1027.938 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014017
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 36.93"(938.022 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: BMW 325i Wideband Premium Oxygen Sensor
    More Info
    $110.52
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About BMW 325i Oxygen Sensor

The BMW 325i is a member of the BMW 3series. The handling is much sleeker, and its response is more subtle and refined. BMW has plenty of quality cars and parts, such as oxygen sensor parts. The oxygen sensor works with the engine control module. It keeps the car's performance and emission consistent. Many modern combustion engines use 325i oxygen sensor parts to benefit the vehicle in reducing emissions.
Whereas, the worn oxygen sensor parts need to be repaired or replaced for better 325i performance. The removal process for the 325i oxygen sensor parts is as follows. Firstly, disconnect the negative battery terminal. Next, locate the oxygen sensor. Then, use a wrench to remove the sensor (Remove the nuts if needed). Finally, disconnect the electrical plug. Always remember to torque the new oxygen sensor parts to the recommended torque and apply anti-seize to the threads to avoid them from getting rusted and stuck in place. We offer fast delivery for customers. Our website has premium 325i parts and devices. We are here for you 24/7.