Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for 2006 BMW 525xi Oxygen Sensor

2006 BMW 525xi Oxygen Sensor

My Vehicle Change Vehicle
2006 BMW 525xi
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Oxygen Sensors
  • Department
  • Product Fit
  • Brands
  • Prices

25 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM 2006 BMW 525xi Rear Oxygen Sensor Diagram - 11-78-7-544-655
    View Related Parts

    OEM (Genuine) 2006 BMW 525xi Rear Oxygen Sensor

    PartNumber: 11-78-7-544-655
    OEM 2006 BMW 525xi Rear Oxygen Sensor - 11-78-7-544-655
    Product Specifications
    • Notes: 525XI, 530XI; Rear Manifold; Rear; 2004-07, Sedan, 2006-07, Lower, Rear
    • Other Names: Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Rear Oxygen Sensor
    More Info
    $221.42 MSRP: $310.17
    You Save: $88.75 (29%)
  • Denso Air Fuel Ratio Sensor for 2006 BMW 525xi - 234-5135

    Denso® Air Fuel Ratio Sensor for 2006 BMW 525xi

    PartNumber: 234-5135
    Product Specifications
    • Notes: To 11/2005; OE Quality Replacement Sensor
    • 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: Air Fuel Ratio Sensor
    More Info
    $126.24
  • Delphi Oxygen Sensor for 2006 BMW 525xi - ES11081

    Delphi® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: ES11081
    Product Specifications
    • Notes: From 11/2005;41in Length
    • 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: Oxygen Sensor
    More Info
    $146.36
  • OEM 2006 BMW 525xi Air Fuel Ratio O2 Oxygen Sensor Diagram - 11-78-7-558-055
    View Related Parts

    OEM (Genuine) 2006 BMW 525xi Air Fuel Ratio O2 Oxygen Sensor

    PartNumber: 11-78-7-558-055
    OEM 2006 BMW 525xi Air Fuel Ratio O2 Oxygen Sensor - 11-78-7-558-055
    Product Specifications
    • Notes: 525XI, 530XI; Front Manifold; Front; 2004-07, Sedan, 2006-07, Upper, Front
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Air Fuel Ratio O2 Oxygen Sensor
    More Info
    $253.75 MSRP: $391.61
    You Save: $137.86 (36%)
  • Spectra Premium Oxygen Sensor for 2006 BMW 525xi - OS5513

    Spectra Premium® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: OS5513
    Product Specifications
    • Notes: Cyl 1 To 3
    • 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: Oxygen Sensor
    More Info
    $14.29
  • Walker Products Wideband Premium Oxygen Sensor for 2006 BMW 525xi - 250-25046

    Walker Products® Wideband Premium Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 250-25046
    Product Specifications
    • Notes: Cyl 4-6, From 11/2005
    • 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: Wideband Premium Oxygen Sensor
    More Info
    $115.84
  • Denso Air Fuel Ratio Sensor for 2006 BMW 525xi - 234-5138

    Denso® Air Fuel Ratio Sensor for 2006 BMW 525xi

    PartNumber: 234-5138
    Product Specifications
    • Notes: From 11/2005; Cyl 4,5,6; OE Quality Replacement Sensor
    • 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: Air Fuel Ratio Sensor
    More Info
    $119.57
  • Delphi Oxygen Sensor for 2006 BMW 525xi - ES20173

    Delphi® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: ES20173
    Product Specifications
    • Notes: Cylinders 4 Through 6
    • Connector Shape: Round
    • Position: Rear
    • Terminal Quantity: 4
    • UPC: 689604147542
    • Wire Harness Length: 17.2" (430 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $127.83
  • OEM 2006 BMW 525xi Oxygen Sensor Diagram - 11-78-7-558-073
    View Related Parts

    OEM (Genuine) 2006 BMW 525xi Oxygen Sensor

    PartNumber: 11-78-7-558-073
    OEM 2006 BMW 525xi Oxygen Sensor - 11-78-7-558-073
    Product Specifications
    • Notes: 525XI, 530XI; Rear Manifold; Front; 2004-07, Sedan, 2006-07, Upper, Rear
    • Other Names: Front Oxygen Sensor, Rear Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Oxygen Sensor
    More Info
    $253.75 MSRP: $391.61
    You Save: $137.86 (36%)
  • Walker Products Oxygen Sensor for 2006 BMW 525xi - 350-35058

    Walker Products® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 350-35058
    Product Specifications
    • Notes: Cyl 4-6, From 11/2005; Upstream; Cyl 4-6
    • 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: Oxygen Sensor
    More Info
    $116.89
  • Denso Air Fuel Ratio Sensor for 2006 BMW 525xi - 234-5139

    Denso® Air Fuel Ratio Sensor for 2006 BMW 525xi

    PartNumber: 234-5139
    Product Specifications
    • Notes: From 11/2005; Cyl 1,2,3; OE Quality Replacement Sensor
    • 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: Air Fuel Ratio Sensor
    More Info
    $106.85
  • Delphi Oxygen Sensor for 2006 BMW 525xi - ES20376

    Delphi® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: ES20376
    Product Specifications
    • Notes: For Cylinders 1 to 3 Only;15in Length
    • 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: Oxygen Sensor
    More Info
    $104.08
  • OEM 2006 BMW 525xi O2 Oxygen Sensor Diagram - 11-78-7-544-654
    View Related Parts

    OEM (Genuine) 2006 BMW 525xi O2 Oxygen Sensor

    PartNumber: 11-78-7-544-654
    OEM 2006 BMW 525xi O2 Oxygen Sensor - 11-78-7-544-654
    Product Specifications
    • Notes: 525XI, 530XI; Front Manifold; Rear; 2004-07, Sedan, 2006-07, Lower, Front
    • Other Names: Oxygen Sensor
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: O2 Oxygen Sensor
    More Info
    $221.42 MSRP: $310.17
    You Save: $88.75 (29%)
  • Walker Products Wideband Premium Oxygen Sensor for 2006 BMW 525xi - 250-25018

    Walker Products® Wideband Premium Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 250-25018
    Product Specifications
    • Notes: Cyl 1-3, From 11/2005
    • 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: Wideband Premium Oxygen Sensor
    More Info
    $106.69
  • Walker Products Oxygen Sensor for 2006 BMW 525xi - 350-35078

    Walker Products® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 350-35078
    Product Specifications
    • Notes: Cyl 1-3, From 11/2005; Upstream; Cyl 1-3
    • 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: Oxygen Sensor
    More Info
    $106.69
  • Denso Oxygen Sensor for 2006 BMW 525xi - 234-4877

    Denso® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 234-4877
    Product Specifications
    • Notes: Cyl 1,2,3; OE Quality Replacement Sensor
    • 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: Oxygen Sensor
    More Info
    $72.79
  • Walker Products Wideband Premium Oxygen Sensor for 2006 BMW 525xi - 250-25042

    Walker Products® Wideband Premium Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 250-25042
    Product Specifications
    • Notes: Cyl 1-3, To 11/2005;Cyl 4-6, To 11/2005
    • 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: Wideband Premium Oxygen Sensor
    More Info
    $102.98
  • Walker Products Oxygen Sensor for 2006 BMW 525xi - 350-35076

    Walker Products® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 350-35076
    Product Specifications
    • Notes: Cyl 1-3, To 11/2005; Upstream; Cyl 1-3;Cyl 4-6, To 11/2005; Upstream; Cyl 4-6
    • 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: Oxygen Sensor
    More Info
    $103.93
  • Walker Products Premium Oxygen Sensor for 2006 BMW 525xi - 250-24465

    Walker Products® Premium Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 250-24465
    Product Specifications
    • Notes: Cyl 4-6, To 11/2005;Cyl 4-6, From 11/2005
    • 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: Premium Oxygen Sensor
    More Info
    $81.70
  • Walker Products Oxygen Sensor for 2006 BMW 525xi - 350-34107

    Walker Products® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 350-34107
    Product Specifications
    • Notes: Cyl 4-6, From 11/2005; Downstream; Cyl 4-6;Cyl 4-6, To 11/2005; Downstream; Cyl 4-6
    • 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: Oxygen Sensor
    More Info
    $72.02
  • Walker Products Premium Oxygen Sensor for 2006 BMW 525xi - 250-24464

    Walker Products® Premium Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 250-24464
    Product Specifications
    • Notes: Cyl 1-3, To 11/2005;Cyl 1-3, From 11/2005
    • 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: Premium Oxygen Sensor
    More Info
    $60.17
  • Walker Products Oxygen Sensor for 2006 BMW 525xi - 350-34215

    Walker Products® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 350-34215
    Product Specifications
    • Notes: Cyl 1-3, To 11/2005; Downstream; Cyl 1-3;Cyl 1-3, From 11/2005; Downstream; Cyl 1-3
    • 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: Oxygen Sensor
    More Info
    $49.89
  • NTK OE Type 5-Wire Wideband A/F Sensor for 2006 BMW 525xi - 24322

    NTK® OE Type 5-Wire Wideband A/F Sensor for 2006 BMW 525xi

    PartNumber: 24322
    Product Specifications
    • Notes: Cyls. 1-3; B1S1; From 11/05; OE Equivalent Design
    • Location: CylInders 1-3 / B1S1
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.709" (18.01 mm)
    • Thread Length: 0.38" (9.65 mm)
    • Wire Harness Length: 60.0" (1524 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: OE Type 5-Wire Wideband A/F Sensor
    More Info
    $115.29
  • Denso Oxygen Sensor for 2006 BMW 525xi - 234-4892

    Denso® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: 234-4892
    Product Specifications
    • Notes: Cyl 4,5,6; OE Quality Replacement Sensor
    • 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: 042511116771
    • Wire Harness Length: 18.74" (476 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
  • Spectra Premium Oxygen Sensor for 2006 BMW 525xi - OS5496

    Spectra Premium® Oxygen Sensor for 2006 BMW 525xi

    PartNumber: OS5496
    Product Specifications
    • Notes: Cyl 4 To 6
    • Connector Gender: Female
    • Connector Shape: Round
    • Installation Type: Screw
    • Location: Cylinders 4-6
    • Overall Length: 22 1/16"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607538816
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info