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Part #: 17037

Bosch 17037 Oxygen Sensor - Upstream

Actual OE Oxygen Sensor, Upstream
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Upstream
🚗Fitment: BMW, 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, and 530xi
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Overview of Bosch Actual OE Oxygen Sensor 17037

The Bosch Actual OE Oxygen Sensor 17037 is designed specifically for select BMW models, including the 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, and 530xi. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and emissions control.

  • Heated oxygen sensor for faster response times
  • Specific fit for BMW 3 and 5 Series models
  • Wide-band sensor type for precise air-fuel ratio measurement
  • 12-inch wiring harness with oblong male connector
  • Threaded mounting type with 18 mm thread diameter
  • Standard replacement grade with metal housing and steel finish
  • Includes wiring harness with 5 wires and 6 terminals
  • 22 mm hex size for installation

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable performance and durability. This product line focuses on delivering sensors that match the exact fit and function required by vehicle manufacturers, ensuring compatibility and consistent emissions control. The 17037 sensor is part of this line, offering a direct replacement solution for BMW vehicles requiring a heated, wide-band oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, allowing the sensor to provide accurate readings shortly after engine start. The wide-band sensor type enables precise monitoring of the air-fuel mixture, which is critical for engine management systems to optimize fuel efficiency and reduce emissions. The sensor includes a 12-inch wiring harness with an oblong male connector and blade-type terminals, designed for a specific fit on BMW 3 and 5 Series models. The threaded mounting with an 18 mm diameter and 22 mm hex size facilitates straightforward installation. Constructed with a durable metal housing and finished in steel, this sensor is built to withstand harsh engine conditions.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, and 530xi models
  • Helps resolve engine performance issues related to incorrect air-fuel mixture readings
  • Addresses increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate sensor data to the engine control unit
  • Eliminates rough idling or hesitation caused by sensor malfunction

Installation Notes and Tips

  • Ensure the vehicle is compatible with part number 17037 before installation
  • Use a 22 mm oxygen sensor socket for removal and installation
  • Do not overtighten the sensor; torque to manufacturer specifications
  • Check wiring harness length (12 inches) and connector type for proper fit
  • Verify the sensor is threaded correctly with the 18 mm thread diameter

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 17037 is manufactured to meet OEM standards, ensuring reliable performance and durability. Bosch provides a standard replacement grade sensor with quality materials including a metal housing and heated element for consistent operation. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to support long-term use in BMW vehicles.

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMW323i2.5LL6UpstreamCylinder(s) 1, 2, and 3; To 11/2005; Actual OE Oxygen Sensor
2006BMW325i3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 10/2005; Actual OE Oxygen Sensor
2006BMW325xi3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 11/2005; Actual OE Oxygen Sensor
2006BMW330i3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 11/2005; Actual OE Oxygen Sensor
2006BMW330xi3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 11/2005; Actual OE Oxygen Sensor
2006BMW525i3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 10/2005; Actual OE Oxygen Sensor
2006BMW525xi3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 10/2005; Actual OE Oxygen Sensor
2006BMW530i3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 10/2005; Actual OE Oxygen Sensor
2006BMW530xi3.0LL6UpstreamCylinder(s) 1, 2, and 3; To 10/2005; Actual 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.