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2Pcs O2 Sensor Upstream & Downstream for BMW 328i 128i (N52) | 234-5138 234-4892
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2Pcs O2 Sensor Upstream & Downstream

for BMW 328i 128i (N52)
Replaces OE: 234-5138 234-4892
Resolves Symptoms:
Persistent Check Engine Light
Rough Idle
Poor Fuel Economy
Lean Hesitation
5-Step Fitment Guide:
1
Check OE: Find original part no. & plug.
2
Compare Photos: Match plug with our images.
3
Verify YMM: Confirm via fitment tool.
4
Review Specs: Check pins and dimensions.
5
Purchase: Buy confidently once matched!
Check if your car is compatible This helps guarantee fitment of parts.
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Delivery Free
Sep 17 - Sep 20 +
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
+
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
30-Day Return & Refund
+
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
Review Rewards & Cashback
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Share an install photo & review to unlock tier rewards:

🥈 Under $50
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5% Direct Cashback
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$41.95
Recent Order: This item was purchased recently this month (Verified)
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
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If problem with product: Free Returns & Refunds
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
🚛 NOx Sensors & SCR
  • P2200/02Sensor Circuit / Signal Low
  • P229FCircuit Range/Performance
  • P207FReductant Quality Perf.
  • 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
  • C1021Front Wheel Speed Sensor
  • C1025Sensor Signal Erratic
  • C1207ABS Pump Overrun
  • C0561System Disabled

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