13628587494 Car Oxygen Sensor For BMW 1-sereis 2-series X1 X2 / MINI Clubman 5-Door 3-Door Convertible Countryman

13628587494 Car Oxygen

Specifications

Technical Notes:

• This is a 4-wire heated zirconium oxide lambda sensor designed specifically for diesel applications.

• The centre ceramic element is composed of Zirconium Oxide, Alumina, and Yttrium Oxide. The platinum coating is applied using vapour deposition to ensure an even application, whilst a Spinel coating on the outer platinum layer prevents solid particles in the exhaust gas from damaging the component.

• All sensors undergo 100% testing to meet or exceed original equipment quality standards.

• The heating element allows the sensor to reach operating temperature quickly, enabling the ECU to enter closed-loop fuel control sooner.

• This is a diesel-specific lambda sensor. It is not compatible with petrol (gasoline) engines.

Cross-Reference (OEM & Interchange Numbers)

This Lambda Sensor replaces the following Original Equipment Manufacturer (OEM) and interchange part numbers. Check your old sensor to confirm a match:

Cross-Reference Notes:

• Many aftermarket sensors use the alternative OEM reference 13628570125 as the primary cross-reference for this fitment.

• The manufacturer's internal part number 0281004612 is also cross-referenced to this OE number.

• Always verify the physical connector shape, cable length, and pin configuration before purchasing.

Compatible Vehicles (Fitment Guide)

This Lambda Sensor is exclusively used in BMW Group diesel vehicles, including BMW and MINI models, equipped with B47 4-cylinder diesel engines. It functions as the downstream (post-catalyst / after catalytic converter) oxygen sensor.

BMW Fitments (B47 Diesel)

Specific BMW Model Details:

MINI Fitments (B47 Diesel)

Fitment Notes:

• This is a diesel-only lambda sensor for vehicles with B47 4-cylinder diesel engines.

• Compatible engine codes: B47, B47B, B47D, B47E.

• The sensor is typically located after the catalytic converter (downstream / post-catalyst). It monitors catalytic converter efficiency and sends diagnostic signals to the ECU.

• The cable length is approximately 930 mm.

• Not compatible with N47 diesel engines (pre-2015 models) or petrol engines. Always verify your engine code before ordering.

Common Failure Symptoms

Lambda sensors degrade over time due to continuous exposure to high exhaust temperatures and combustion byproducts. When this sensor fails, the ECU can no longer accurately monitor the air-fuel ratio, often leading to poor performance and increased emissions.

Consider replacing your Lambda Sensor if you experience any of the following:

Check Engine Light (MIL) Illumination

• OBD-II fault codes related to oxygen sensor circuits or catalyst efficiency:

  • P0136 – P0141 (O2 Sensor Circuit Malfunction – Bank 1, Sensor 2 / Heater Circuit)

  • P0420 / P0430 (Catalyst System Efficiency Below Threshold)

  • P002C9F (Downstream or upstream oxygen sensor performance issue on bank 1)

  • Heating circuit fault codes (e.g., 2D0C / 2D10 – short circuit to earth)

Performance & Driveability Issues

• Poor fuel economy – A failing sensor can increase fuel consumption as the ECU defaults to preset rich parameters.

• Reduced engine power – Noticeable loss of performance, especially under load.

• Rough idle or hesitation – The engine may idle roughly, hesitate during acceleration, or feel like it will stall.

• Poor driveability – General lack of responsiveness and smoothness during normal driving.

Exhaust & Emissions Symptoms

• Strong smell of fuel from exhaust – Indicates an excessively rich air-fuel mixture.

• Failed emissions test – Incorrect sensor readings can cause the vehicle to fail an emissions inspection.

• Black smoke from exhaust – Sign of incomplete combustion due to rich mixture.

• Increased pollution – Higher hydrocarbon (HC) and carbon monoxide (CO) emissions.

Potential causes of sensor failure:

• Normal wear and tear – Lambda sensors typically degrade after 60,000 – 100,000 miles (100,000 – 160,000 km) of operation.

• Contamination – Oil, coolant, or silicone-based sealants can damage the ceramic sensing tip.

• Heater circuit failure – The internal heating element stops functioning, causing slow sensor response and fault codes.

• Physical impact damage – Dropping the sensor or impact from road debris can crack the ceramic element.

• Wiring or connector issues – Damaged wiring, loose connections, or corrosion at the connector can trigger error codes.

Diagnostic Tip:

• As a downstream sensor, its primary function is to monitor catalytic converter efficiency. Fault codes such as P0420/P0430 often indicate a failing downstream sensor, but they can also point to a failed catalytic converter.

• On BMW DME systems, slow oxygen sensor response codes (e.g., P0133) may appear on N55 engines; similar response issues can affect B47 diesel lambda sensors.

• If you experience multiple fault codes or recurring issues after sensor replacement, deeper diagnostics (e.g., checking for exhaust leaks or engine mechanical issues) may be required.

Important Purchase Considerations

1. Confirm Fitment – Diesel Engine Only

• This lambda sensor is for DIESEL applications only – specifically vehicles equipped with B47 4-cylinder diesel engines.

• Not compatible with petrol (gasoline) engines or older N47 diesel engines (pre-2015 models).

• Use the last 7 digits of your VIN to confirm compatibility with your specific BMW or MINI model.

• Engine codes: B47, B47B, B47D, B47E are compatible.

2. Position Confirmation – Downstream (Post-Catalyst)

• This part is designed for the after catalytic converter (downstream / post-catalyst) position.

• Verify that you are replacing the correct sensor (Bank 1, Sensor 2). If you are replacing an upstream/pre-catalyst sensor, a different part number is required.

• The cable length is approximately 930 mm – confirm this matches your original sensor.

3. Connector & Physical Fitment Verification

• This sensor features an oval 4-pin female connector.

• Always visually inspect your old sensor's connector shape, cable length, and thread size before ordering.

• The thread size is standard M18 x 1.5, requiring a 22 mm (7/8") oxygen sensor socket for removal and installation.

4. OE vs. Aftermarket Quality

• This is a BMW Genuine OEM part number (13628587494). BMW Original sensors are designed to meet the exact specifications of your vehicle's ECU.

• Aftermarket sensors (cross-referencing to numbers like LB2677, LLB929, 64939, or LEB5477) may vary in quality, calibration parameters, and connector precision.

• For plug-and-play fitment, OE-spec components are strongly recommended.

5. Replacement Interval

• Lambda sensors degrade over time, even without immediate fault codes.

• Replacement every 100,000 miles (160,000 km) is recommended to maintain optimal fuel efficiency, catalytic converter health, and proper emissions output.

6. Installation Tips

• Allow the exhaust system to cool completely before removal to avoid burns.

• Use a dedicated O2 sensor socket (22 mm / 7/8") with an offset design for easier access.

• Apply anti-seize compound to the threads of the new sensor (avoiding the sensor tip) to prevent seizing in the exhaust bung.

• Do not use silicone sealants near the exhaust system – contamination will destroy the sensor.

• Avoid touching the sensor tip – skin oils can contaminate the sensing element.

• Do not drop the sensor – the ceramic element can crack upon impact.

• Tighten to the correct torque – typically 40 – 50 Nm (30 – 37 ft-lb).

• Secure the wiring harness with original clips to prevent contact with hot exhaust components or moving parts.

7. Required Tools

• O2 sensor socket (22 mm / 7/8") – offset type recommended for confined spaces.

• Ratchet and extension bar (for access).

• Anti-seize compound (sensor-safe, if not pre-applied).

• Jack and jack stands (if under-vehicle access requires lifting).

• BMW-compatible OBD-II scanner (to clear fault codes and verify operation after replacement).

8. Professional Installation Recommended

• While this is a direct-fit part, professional installation is advisable if you are not experienced with exhaust system work.

• After replacement, the ECU (DME) may need to have adaptation values reset using BMW-specific diagnostic equipment (e.g., ISTA).

• Improper installation can lead to exhaust leaks, cross-threaded bungs, sensor contamination, or wiring damage.

9. Quantity Needed

• Most 4-cylinder diesel engines (B47) have at least one downstream oxygen sensor. Some configurations may have multiple sensors depending on the exhaust layout.

• Check your vehicle's exhaust configuration and the location of your old sensor before ordering multiple units.

10. Warranty

• Genuine BMW Original parts typically include a manufacturer warranty.

• Aftermarket sensors may offer varying warranty periods – check with your specific retailer.

• Important: Most warranties are voided if the sensor tip shows contamination from improper handling (e.g., touching the tip, dropping, or silicone exposure). Some aftermarket sensors offer extended warranty periods (e.g., 2 years or lifetime).

Disclaimer: While we strive for accuracy, vehicle specifications and OE part numbers may vary by production date, market region, and vehicle trim level. This part number (13628587494) is a BMW / MINI OE number for downstream (post-catalyst) oxygen sensor applications on B47 4-cylinder diesel engines only. Always verify physical fitment (connector shape, cable length, and thread size) and confirm the engine code and sensor position before purchasing. For petrol engines or N47 diesel engines (pre-2015), a different sensor is required. If in doubt, consult your vehicle's manufacturer or a local dealer for precise compatibility.