HomeEmission Control > SensorsWalker 250-24993 Oxygen Sensor - Downstream
Part #: 250-24993

Walker 250-24993 Oxygen Sensor - Downstream

Walker Products OE, Downstream
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Downstream
🚗Fitment: BMW, X1 and 335i xDrive
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Overview of Walker 250-24993 Oxygen Sensor for BMW

The Walker 250-24993 oxygen sensor is designed specifically for select BMW models, including the 335i xDrive and X1. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for BMW 335i xDrive and X1 models
  • 33.98-inch wiring harness length for flexible installation
  • Radiused polygon male connector for secure connection
  • Threaded mounting with 18.0 mm thread diameter
  • Wire gauge measurement of 22 for reliable signal transmission
  • Overall length of 37.52 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24993) features a heated sensor element that allows for faster warm-up times and improved emissions control. The sensor includes a 4-wire design, which supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The wiring harness length of 33.98 inches provides sufficient reach for installation in the engine bay, while the radiused polygon male connector ensures a secure and precise fit with the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement and compatibility with the original equipment specifications.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, designed to provide reliable performance and durability for BMW vehicles. By adhering to OE specifications, the Walker Products OE 250-24993 sensor supports proper engine function and emissions compliance.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for BMW 335i xDrive and X1
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing precise sensor data
  • Reduces harmful emissions by maintaining proper combustion control
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24993 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape and male gender match the vehicle’s harness for a secure connection. Thread the sensor carefully into the mounting hole with the specified 18.0 mm diameter to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 250-24993 undergoes rigorous testing to ensure durability and reliable performance in BMW 335i xDrive and X1 models. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandWalker
Part Number250-24993
PositionWalker Products OE, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length37.52
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length33.98

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015BMWX13.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2014BMWX13.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2013BMW335i xDrive3.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2013BMWX13.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2012BMW335i xDrive3.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2011BMW335i xDrive3.0LL6GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.