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Important: Verify connector shape and pins match your original part.
2-Piece O2 Sensor Upstream & Downstream
Fits BMW 328i 128i (N52)
Replaces OE: 234-5138, 234-4892
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Nov 13
Prepared
Nov 13-Nov 14
Delivered
Nov 27-Dec 5
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: Brand-new replacement for free if quality issues occur.
30-Day Return & Refund
📦 Free Returns: Zero costs to you if the product has quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
5-Step Fitment Guide
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- Purchase: Buy confidently once matched!
Review Rewards
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- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$41.95
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
🌬️ O2 & A/F Sensors
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
⛽ Fuel & Air Mixture
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
♻️ Catalytic Converters
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
⚡ Ignition / Misfires
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Sensor Position
|
Note
|
|---|---|---|---|---|---|
|
2011
|
BMW
|
1 Series M
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2008-2013
|
BMW
|
128i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2008-2010
|
BMW
|
135i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2010-2011
|
BMW
|
323i
|
2.5L L6
|
Cylinder 4,5,6
|
—
|
|
2007-2009
|
BMW
|
323i
|
2.5L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
330i
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2006
|
BMW
|
330xi
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2007-2013
|
BMW
|
328i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2009-2013
|
BMW
|
328i xDrive
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2007-2008
|
BMW
|
328xi
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2009-2010
|
BMW
|
335i xDrive
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2007-2008
|
BMW
|
335xi
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2007
|
BMW
|
525i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
525i
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2009-2010
|
BMW
|
528i xDrive
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2008
|
BMW
|
528xi
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2007
|
BMW
|
530i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
530i
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2007
|
BMW
|
530xi
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
530xi
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2010
|
BMW
|
X3
|
3.0L L6
|
Cylinder 4,5,6
|
xDrive30i
|
|
2007-2009
|
BMW
|
X3
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2009-2010
|
BMW
|
X5
|
3.0L L6
|
Cylinder 4,5,6
|
Gas Engine
|
|
2007-2008
|
BMW
|
X5
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006-2015
|
BMW
|
Z4
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
323i
|
2.5L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2006
|
BMW
|
325i
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2006
|
BMW
|
325xi
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2007
|
BMW
|
525xi
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2006
|
BMW
|
525xi
|
3.0L L6
|
Cylinder 4,5,6
|
From 11/2005
|
|
2008-2010
|
BMW
|
528i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2007-2010
|
BMW
|
335i
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
|
2011-2013
|
BMW
|
335is
|
3.0L L6
|
Cylinder 4,5,6
|
—
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5138
Interchange: 11787540166, 11787540167, 11787557223, 11787558073, 11787558081, 11787558087, 11787589138 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band Air/Fuel Ratio Sensor
- Wire Configuration: 5-Wire - Connector Gender: Male - Wire Harness Length: 46.85 in - Thread Diameter: 0.711 in |
|
Core Part Number
|
234-4892
Interchange: 16414, 11787539137, 11787544655, 11787545075, 11787545243 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wire Harness Length: 18.74 in - Thread Diameter: 0.708 in - Mounting Type: Threaded |
Package Content : 2PCS (234-5138 Upstream+234-4892 Downstream) Oxygen Sensor