Skip to product information
4Pcs Lambda O2 Sensor for BMW 535i 535xi 3.0L L6 Turbo (2008-2010) | 234-5025, 234-5027, 234-4876, 234-4892
1/6

4Pcs Lambda O2 Sensor

for BMW 535i 535xi 3.0L L6 Turbo (2008-2010)
Replaces OE: 234-5025, 234-5027, 234-4876, 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
Sep 7 - Sep 10 +
🚚 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
+

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.

$145.95
  • No other fees; this is the final payment price
  • Get rid of your car's malfunctions and start a pleasant driving journey
  • Visa
  • Mastercard
  • American Express
  • Discover
  • JCB
  • PayPal
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
Note
2008
BMW
535xi
3.0L L6
Turbocharged, AWD
2008-2010
BMW
535i
3.0L L6
Turbocharged

 

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-5027
Interchange: 2345027, 11787557758, 11787586693, 11787589139
Position
Exhaust System, Upstream, Front, Pre-Catalytic Converter
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 5 Wires
- Wire Harness Length: 43.31 IN
- Connector Gender: Male
- Thread Diameter: 0.711 IN
Core Part Number
234-5025
Interchange: 2345025, 11787570760, 11787586692
Position
Exhaust System, Upstream, Front, Pre-Catalytic Converter
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 5 Wires
- Wire Harness Length: 51.10 IN
- Connector Gender: Male
- Thread Diameter: 0.711 IN
Core Part Number
234-4876
Interchange: 2344876, 11787526262, 11787545074, 11787545244, 11787569968, 11787614322
Position
Exhaust System, Downstream, Rear, Post-Catalytic Converter
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Wire Harness Length: 21.57 IN
- Connector Gender: Female
- Thread Diameter: 0.708 IN
- Mounting Type: Threaded
Core Part Number
234-4892
Interchange: 2344892, 11787539137, 11787544655, 11787545075, 11787545243
Position
Exhaust System, Downstream, Rear, Post-Catalytic Converter
Key Parameters
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires

 

Package Included:

4pcs (1pcs 234-5025 + 1pcs 234-5027 +1pcs 234-4876 + 1pcs 234-4892) upstream & downstream oxygen sensor