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Important: Verify connector shape and pins match your original part.
4-Piece Upstream & Downstream Lambda O2 Sensor
Fits BMW 3 Series 5 Series X3
Replaces OE: 234-5107, 234-4683
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 15
Prepared
Oct 15-Oct 16
Delivered
Oct 29-Nov 6
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
- 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
*Email screenshot of your review to support to claim.
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$87.95
-
No hidden fees: What you see is what you pay.
-
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
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Out of stock in local warehouse
Requires shipment from overseas warehouse
Longer shipping time
Please do not place orders if this is a concern
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Note
|
|---|---|---|---|---|
|
2006
|
BMW
|
330Ci
|
3.0L L6
|
Base, Convertible, 2-Door
|
|
2006
|
BMW
|
330Ci
|
3.0L L6
|
Base, Coupe, 2-Door
|
|
2005
|
BMW
|
330Ci
|
3.0L L6
|
Base, Convertible, 2-Door
|
|
2005
|
BMW
|
330Ci
|
3.0L L6
|
Base, Coupe, 2-Door
|
|
2005
|
BMW
|
330Ci
|
3.0L L6
|
M, Convertible, 2-Door
|
|
2005
|
BMW
|
330Ci
|
3.0L L6
|
M, Coupe, 2-Door
|
|
2005
|
BMW
|
330i
|
3.0L L6
|
Base, Sedan, 4-Door
|
|
2005
|
BMW
|
330i
|
3.0L L6
|
M, Sedan, 4-Door
|
|
2005
|
BMW
|
525i
|
2.5L L6
|
Base, Sedan, 4-Door
|
|
2005
|
BMW
|
530i
|
3.0L L6
|
Base, Sedan, 4-Door
|
|
2004
|
BMW
|
330Ci
|
3.0L L6
|
Base, Convertible, 2-Door
|
|
2004
|
BMW
|
330Ci
|
3.0L L6
|
Base, Coupe, 2-Door
|
|
2004
|
BMW
|
330i
|
3.0L L6
|
Base, Sedan, 4-Door
|
|
2004
|
BMW
|
525i
|
2.5L L6
|
Base, Sedan, 4-Door
|
|
2004
|
BMW
|
530i
|
3.0L L6
|
Base, Sedan, 4-Door
|
|
2006
|
BMW
|
X3 3.0i
|
3.0L L6
|
Sport Utility, 4-Door
|
|
2005
|
BMW
|
X3 3.0i
|
3.0L L6
|
Sport Utility, 4-Door
|
|
2004
|
BMW
|
X3 3.0i
|
3.0L L6
|
Sport Utility, 4-Door
|
|
2003
|
BMW
|
330Ci
|
3.0L L6
|
Base, Convertible, 2-Door
|
|
2003
|
BMW
|
330Ci
|
3.0L L6
|
Base, Coupe, 2-Door
|
|
2003
|
BMW
|
330i
|
3.0L L6
|
Base, Sedan, 4-Door
|
|
2006
|
BMW
|
325Ci
|
2.5L L6
|
Base, Convertible, 2-Door
|
|
2006
|
BMW
|
325Ci
|
2.5L L6
|
Base, Coupe, 2-Door
|
|
2005
|
BMW
|
325Ci
|
2.5L L6
|
Base, Convertible, 2-Door
|
|
2005
|
BMW
|
325Ci
|
2.5L L6
|
Base, Coupe, 2-Door
|
|
2005
|
BMW
|
325i
|
2.5L L6
|
Base, Sedan, 4-Door
|
|
2005
|
BMW
|
325i
|
2.5L L6
|
Base, Wagon, 4-Door
|
|
2004
|
BMW
|
325Ci
|
2.5L L6
|
Base, Convertible, 2-Door
|
|
2004
|
BMW
|
325Ci
|
2.5L L6
|
Base, Coupe, 2-Door
|
|
2004
|
BMW
|
325i
|
2.5L L6
|
Base, Sedan, 4-Door
|
|
2004
|
BMW
|
325i
|
2.5L L6
|
Base, Wagon, 4-Door
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-5107
Interchange: 2345107, 079906262B, 06F906262R, 06F906262AC, 079906262, 079906262M, 07C906262BR, 24326, 17307, 2134618, SG1576 |
|
Position
|
Exhaust System, Upstream (Bank 1 Sensor 1 / Bank 2 Sensor 1), Pre-cat
|
|
Key Parameters
|
- Sensor Type: Heated Wide-Band Air/Fuel Ratio
- Wire Quantity: 5 Wires - Wiring Harness Length: 43.31 IN - Connector Gender: Male - Terminal Gender: Female - Package Qty: 2 pcs (Upstream set) |
|
Core Part Number
|
234-4683
Interchange: 2344683, 11781433940, 11787513963, MHK000220, 2131472, ES10857, 2132948 |
|
Position
|
Exhaust System, Downstream, Post-cat
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires - Wiring Harness Length: 23.62 IN - Connector Gender: Female - Terminal Gender: Male - Package Qty: 2 pcs (Downstream set) |
Package Included: 4PCS Oxygen Sensors
234-5107 (5 wire-Oxygen Sensor): Upstream 2X
234-4683 (4 wire-Oxygen Sensor): Downstream 2X