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Important: Verify connector shape and pins match your original part.
4Pcs Lambda O2 Sensor for BMW 535i 535xi 3.0L L6 Turbo (2008-2010) | 234-5025, 234-5027, 234-4876, 234-4892
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4-Piece Lambda O2 Sensor

Fits BMW 535i 535xi 3.0L L6 Turbo (2008-2010)
Replaces OE: 234-5025, 234-5027, 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 13-Nov 21
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
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  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 & dimensions.
  5. Purchase: Buy confidently once matched!
Review Rewards
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$140.95
  • No hidden fees: What you see is what you pay.
  • Restore performance: Fix issues and drive with confidence.
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If problem with product: Free Returns & Refunds
Check Engine Light? Find Your Symptoms
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🌬️ 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
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