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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
Check if your car is compatible
This helps guarantee fitment of parts.
Delivery Free
Aug 1 - Aug 4
🚚 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.
60-Day Return & Refund
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 60 days for defective items.
Review Rewards & Cashback
Share an install photo & review to unlock tier rewards:
🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
🔥 Tip: Buy a Combo Set to easily hit $50 and unlock 5% Cashback!
💡 How to claim: Email a screenshot of your review to our support team.
$41.95
- No other fees; this is the final payment price
- Get rid of your car's malfunctions and start a pleasant driving journey
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
|
Cylinders
|
|---|---|---|---|---|
|
2011
|
BMW
|
1 Series M
|
L6-3.0
|
4,5,6
|
|
2008-2013
|
BMW
|
128i
|
L6-3.0
|
4,5,6
|
|
2008-2010
|
BMW
|
135i
|
L6-3.0
|
4,5,6
|
|
2007-2011
|
BMW
|
323i
|
L6-2.5
|
4,5,6
|
|
2006 (From 11/2005)
|
BMW
|
323i
|
L6-2.5
|
4,5,6
|
|
2006 (From 11/2005)
|
BMW
|
325i
|
L6-3.0
|
4,5,6
|
|
2006 (From 11/2005)
|
BMW
|
325xi
|
L6-3.0
|
4,5,6
|
|
2006 (From 11/2005)
|
BMW
|
330i
|
L6-3.0
|
4,5,6
|
|
2006 (From 11/2005)
|
BMW
|
330xi
|
L6-3.0
|
4,5,6
|
|
2007-2013
|
BMW
|
328i
|
L6-3.0
|
4,5,6
|
|
2007-2008
|
BMW
|
328xi
|
L6-3.0
|
4,5,6
|
|
2009-2013
|
BMW
|
328i xDrive
|
L6-3.0
|
4,5,6
|
|
2007-2010
|
BMW
|
335i
|
L6-3.0
|
4,5,6
|
|
2007-2008
|
BMW
|
335xi
|
L6-3.0
|
4,5,6
|
|
2009-2010
|
BMW
|
335i xDrive
|
L6-3.0
|
4,5,6
|
|
2011-2013
|
BMW
|
335is
|
L6-3.0
|
4,5,6
|
|
2006-2007
|
BMW
|
525i
|
L6-3.0
|
4,5,6
|
|
2006-2007
|
BMW
|
525xi
|
L6-3.0
|
4,5,6
|
|
2008-2010
|
BMW
|
528i
|
L6-3.0
|
4,5,6
|
|
2008
|
BMW
|
528xi
|
L6-3.0
|
4,5,6
|
|
2009-2010
|
BMW
|
528i xDrive
|
L6-3.0
|
4,5,6
|
|
2006-2007
|
BMW
|
530i
|
L6-3.0
|
4,5,6
|
|
2006-2007
|
BMW
|
530xi
|
L6-3.0
|
4,5,6
|
|
2007-2010
|
BMW
|
X3 (xDrive30i)
|
L6-3.0
|
4,5,6
|
|
2007-2010
|
BMW
|
X5 (Gas Engine)
|
L6-3.0
|
4,5,6
|
|
2006-2015
|
BMW
|
Z4
|
L6-3.0
|
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