Skip to product information
Important: Verify connector shape and pins match your original part.
2-Piece O2 Sensor
Fits BMW 125i 328i X1 (N20 Engine) 2012-2015
Replaces OE: 234-5054, 234-4562
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
- 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.
Check if your car is compatible
This helps guarantee fitment of parts.
⏳ Loading fitment data...
$61.95
-
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
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2015
|
BMW
|
228i xDrive
|
2.0L
|
|
2012-2015
|
BMW
|
320i
|
2.0L
|
|
2013-2015
|
BMW
|
320i xDrive
|
2.0L
|
|
2012-2015
|
BMW
|
328i
|
2.0L
|
|
2014-2015
|
BMW
|
328i GT xDrive
|
2.0L
|
|
2013-2015
|
BMW
|
328i xDrive
|
2.0L
|
|
2014-2015
|
BMW
|
428i
|
2.0L
|
|
2015
|
BMW
|
428i Gran Coupe
|
2.0L
|
|
2014-2015
|
BMW
|
428i xDrive
|
2.0L
|
|
2015
|
BMW
|
428i xDrive Gran Coupe
|
2.0L
|
|
2012-2015
|
BMW
|
528i
|
2.0L
|
|
2012-2015
|
BMW
|
528i xDrive
|
2.0L
|
|
2012-2015
|
BMW
|
X1
|
2.0L
|
|
2013-2015
|
BMW
|
X3
|
2.0L
|
|
2015
|
BMW
|
X4
|
2.0L
|
|
2012-2015
|
BMW
|
Z4
|
2.0L
|
|
2014-2015
|
BMW
|
228i
|
2.0L
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
11787589121
Interchange: 234-5054, 2345054, 234 5054, 0258027029, 758912102, 0 258 027 029, 1178 7589 121, 24364 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Male
- Type: Heated Oxygen Sensor - Thread Diameter: 0.711 IN (M18 x 1.5) - Harness Length: 15.24 IN (approx. 387 mm) - Wire Configuration: 5-Wire |
|
Core Part Number
|
11787589122
Interchange: 0258010418, 0258010419 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Connector Gender: Male
- Mounting Type: Threaded - Type: Heated Oxygen Sensor - Thread Diameter: 0.708 IN (M18 x 1.5) - Harness Length: 20.71 IN (approx. 526 mm) - Wire Configuration: 4-Wire |
Package Content :
2PCS (1*11787589121 Upstream+1*11787589122 Downstream) Oxygen Sensor