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Important: Verify connector shape and pins match your original part.
4-Piece Wideband O2 Sensor
Fits BMW 128i 328i X3 X5 (E90/E82)
Replaces OE: 234-5138, 234-5139, 234-4876, 234-4892
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 1-Nov 4
Dispatched quickly from local CA warehouses.
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
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
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$100.95
High demand: Purchased recently this month
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No hidden fees: What you see is what you pay.
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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
|
Notes
|
|---|---|---|---|---|
|
2011
|
BMW
|
1 Series M
|
3.0L L6 (Turbo)
|
|
|
2008-2013
|
BMW
|
128i
|
3.0L L6
|
|
|
2008-2010
|
BMW
|
135i
|
3.0L L6 (Turbo)
|
|
|
2010-2011
|
BMW
|
323i
|
2.5L L6
|
|
|
2006
|
BMW
|
325i
|
3.0L L6
|
From 11/2005
|
|
2006
|
BMW
|
325xi
|
3.0L L6
|
From 11/2005
|
|
2007-2013
|
BMW
|
328i
|
3.0L L6
|
|
|
2007-2008
|
BMW
|
328xi
|
3.0L L6
|
|
|
2006
|
BMW
|
330i
|
3.0L L6
|
From 11/2005
|
|
2006
|
BMW
|
330xi
|
3.0L L6
|
From 11/2005
|
|
2007-2010
|
BMW
|
335i
|
3.0L L6 (Turbo)
|
|
|
2011-2013
|
BMW
|
335is
|
3.0L L6 (Turbo)
|
|
|
2007-2008
|
BMW
|
335xi
|
3.0L L6 (Turbo)
|
|
|
2008-2010
|
BMW
|
528i
|
3.0L L6
|
|
|
2008
|
BMW
|
528xi
|
3.0L L6
|
|
|
2007-2009
|
BMW
|
X3
|
3.0L L6
|
|
|
2010
|
BMW
|
X3
|
3.0L L6
|
xDrive30i
|
|
2007-2010
|
BMW
|
X5
|
3.0L L6
|
|
|
2006-2016
|
BMW
|
Z4
|
3.0L L6
|
|
|
2011-2016
|
BMW
|
Z4
|
3.0L L6 (Turbo)
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5138
Interchange: 2345138, 234 5138, 11787540166, 11787540167, 11787557223, 11787558073, 11787558081, 11787558087, 11787589138 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Oxygen Sensor
- Wire Configuration: 5-Wire - Connector Gender: Male - Wire Harness Length: 46.85 IN - Thread Diameter: 0.711 IN - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-5139
Interchange: 2345139, 234 5139, 0035427218, 11787557756, 11787558055 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Oxygen Sensor
- Wire Configuration: 5-Wire - Connector Gender: Male - Wire Harness Length: 60.43 IN - Thread Diameter: 0.711 IN - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4876
Interchange: 2344876, 234 4876, 11787526262, 11787545074, 11787545244, 11787569968, 11787614322 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Wire Harness Length: 21.57 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4892
Interchange: 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 - Grade Type: Regular - Fit Type: Specific |
Package Content : 4Pcs 234-5138 x1 Upstream; 234-5139 x1 Upstream; 234-4876 x1 Downstream;234-4892 x1 Downstream;Oxygen Sensor
11787558073 234-5138 (5-wire oxygen sensor) x1 Upstream; Cylinder 4,5,6
11787558055 234-5139 (5-wire oxygen sensor) x1 Upstream; Cylinder 1,2,3
11787545074 234-4876 (4-wire oxygen sensor) x1 Downstream; Cylinder 1,2,3
11787545075 234-4892 (4-wire oxygen sensor) x1 Downstream; Cylinder 4,5,6