2006 BMW 323i Air / Fuel Ratio Sensor
Navigate our online catalogue to find original replacement Air / Fuel Ratio Sensors specifically designed to fit a 2006 BMW 323i.








Air / Fuel Ratio Sensor
$349.92
$168.66 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 1-3 B1S1 From 11/05 OE Equivalent Design
Cyls. 1-3 B1S1 From 11/05 OE Equivalent Design







Air / Fuel Ratio Sensor
$310.75
$162.72 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 1-3 B1S1 To 11/05 OE Equivalent Design
Cyls. 1-3 B1S1 To 11/05 OE Equivalent Design







Air / Fuel Ratio Sensor
$310.75
$162.72 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 4-6 B2S1 To 11/05 OE Equivalent Design
Cyls. 4-6 B2S1 To 11/05 OE Equivalent Design







Air / Fuel Ratio Sensor
$415.25
$210.57 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 4-6 B2S1 From 11/05 OE Equivalent Design
Cyls. 4-6 B2S1 From 11/05 OE Equivalent Design

Air / Fuel Ratio Sensor
$346.33
$254.63 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 2
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
To 11/2005 O.E. Quality Direct Fit Replacement Sensor
To 11/2005 O.E. Quality Direct Fit Replacement Sensor

Air / Fuel Ratio Sensor
$399.33
$225.97 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
From 11/2005; Cylinder 4,5,6 O.E. Quality Direct Fit Replacement Sensor
From 11/2005; Cylinder 4,5,6 O.E. Quality Direct Fit Replacement Sensor

Air / Fuel Ratio Sensor
$364.40
$213.71 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
From 11/2005; Cylinder 1,2,3 O.E. Quality Direct Fit Replacement Sensor
From 11/2005; Cylinder 1,2,3 O.E. Quality Direct Fit Replacement Sensor







Oxygen Sensor
$137.22
$77.93 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1 to 3
Cylinder(s) 1 to 3







Oxygen Sensor
$137.22
$77.93 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1, 2, and 3
Cylinder(s) 1, 2, and 3







Oxygen Sensor
$137.22
$77.93 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4 to 6
Cylinder(s) 4 to 6







Oxygen Sensor
$137.22
$77.93 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4, 5, and 6
Cylinder(s) 4, 5, and 6







Oxygen Sensor
$279.95
$159.75 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1 to 3
Cylinder(s) 1 to 3







Oxygen Sensor
$279.95
$159.75 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1, 2, and 3
Cylinder(s) 1, 2, and 3







Oxygen Sensor
$110.79
$93.16 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4 to 6
Cylinder(s) 4 to 6







Oxygen Sensor
$110.79
$93.16 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4, 5, and 6
Cylinder(s) 4, 5, and 6







Oxygen Sensor
$305.85
$209.33 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1, 2, and 3 To 11/2005
Cylinder(s) 1, 2, and 3 To 11/2005







Oxygen Sensor
$277.33
$168.33 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4 to 6 To 11/2005
Cylinder(s) 4 to 6 To 11/2005







Oxygen Sensor
$277.33
$168.33 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4, 5, and 6 To 11/2005
Cylinder(s) 4, 5, and 6 To 11/2005







Oxygen Sensor
$314.27
$156.83 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1 to 3 From 12/2005
Cylinder(s) 1 to 3 From 12/2005







Oxygen Sensor
$314.27
$156.83 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 1, 2, and 3 From 12/2005
Cylinder(s) 1, 2, and 3 From 12/2005







Oxygen Sensor
$352.18
$184.26 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4 to 6 From 12/2005
Cylinder(s) 4 to 6 From 12/2005







Oxygen Sensor
$352.18
$184.26 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder(s) 4, 5, and 6 From 12/2005
Cylinder(s) 4, 5, and 6 From 12/2005







Oxygen Sensor
$221.52
$121.94 CAD
In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 1-3 B1S2 OE Equivalent Design
Cyls. 1-3 B1S2 OE Equivalent Design







Oxygen Sensor
$298.20
$131.27 CAD
10+ In Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyls. 4-6 B2S2 OE Equivalent Design
Cyls. 4-6 B2S2 OE Equivalent Design

Oxygen Sensor
$283.30
$138.98 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder 4,5,6 O.E. Quality Direct Fit Replacement Sensor
Cylinder 4,5,6 O.E. Quality Direct Fit Replacement Sensor




Oxygen Sensor
$178.97
$96.01 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyl. 1 To 3
Cyl. 1 To 3




Oxygen Sensor
$145.35 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyl. 4 To 6; From Nov/2005 w/ 5 Wires Wideband
Cyl. 4 To 6; From Nov/2005 w/ 5 Wires Wideband




Oxygen Sensor
$117.98 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 7th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
To Nov/2005 w/ 5 Wires Wideband
To Nov/2005 w/ 5 Wires Wideband

Oxygen Sensor
$269.82
$121.45 CAD
Out of Stock
Condition: New
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.);
Vehicle Fitment Notes:
Cylinder 1,2,3 O.E. Quality Direct Fit Replacement Sensor
Cylinder 1,2,3 O.E. Quality Direct Fit Replacement Sensor




Oxygen Sensor
$258.75
$138.79 CAD
Call For Availability
Condition: New
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyl. 4 To 6
Cyl. 4 To 6




Oxygen Sensor
$148.26 CAD
Call For Availability
Condition: New
Upstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Engine Base: 2.5L 2497cc (-CID) L6 Bore 82.0cm (3.23in.) Stroke 78.8cm (3.10in.); Engine Designation: N52;
Vehicle Fitment Notes:
Cyl. 1 To 3; From Nov/2005 w/ 5 Wires Wideband
Cyl. 1 To 3; From Nov/2005 w/ 5 Wires Wideband