HomeEmission Control > SensorsBosch 17124 Oxygen Sensor - Upstream Left
Part #: 17124

Bosch 17124 Oxygen Sensor - Upstream Left

Actual OE Oxygen Sensor, Upstream Left
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Upstream Left
🚗Fitment: BMW, X5
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Overview of Bosch Actual OE Oxygen Sensor 17124

The Bosch Actual OE Oxygen Sensor 17124 is designed specifically for BMW X5 models, providing precise air-fuel mixture readings to optimize engine performance and emissions control. This heated, wide-band oxygen sensor ensures accurate data transmission for efficient combustion and reduced emissions.

  • Heated oxygen sensor for faster response times
  • Specific fitment for BMW X5 vehicles
  • Wide-band sensor type for accurate air-fuel ratio measurement
  • Includes a 34.6-inch wiring harness with 5 wires and a 6-terminal male blade connector
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Durable metal housing with steel finish
  • Wiring harness included for direct replacement

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and reliable performance for specific vehicle applications. This product line focuses on delivering standard replacement sensors that maintain factory-level emissions control and engine efficiency. The 17124 sensor is part of this line, tailored for precise fitment and function in BMW X5 models.

Detailed Product Description

This Bosch oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The wide-band sensor technology provides a broad measurement range for accurate air-fuel ratio monitoring, essential for modern engine management systems. The sensor includes a 34.6-inch wiring harness with a 6-terminal male blade connector shaped oblong for secure and correct installation. Its threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a proper fit in the exhaust system. Constructed with a metal housing and steel finish, this sensor offers durability under high-temperature conditions.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for BMW X5 emission control systems
  • Resolves engine performance issues related to faulty oxygen sensors
  • Helps correct rough idling and poor fuel economy caused by sensor failure
  • Reduces increased emissions and potential check engine light triggers
  • Supports proper catalytic converter function by providing precise air-fuel data

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 17124 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The specific fitment for BMW X5 models means no modifications are necessary, and the included wiring harness simplifies the replacement process.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 17124 is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to support long-term use.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BMWX54.8LV8Upstream LeftActual OE Oxygen Sensor
2009BMWX54.8LV8Upstream LeftActual OE Oxygen Sensor
2008BMWX54.8LV8Upstream LeftActual OE Oxygen Sensor
2007BMWX54.8LV8Upstream LeftActual OE Oxygen Sensor

* 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.