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Bosch O2 Lambda Oxygen Sensor - 0258017049

Bosch O2 Lambda Oxygen Sensor - 0258017049

This Bosch O2 Lambda Oxygen Sensor (Part Number: 0258017049) is designed for optimal performance. ...

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Lambda Sensor 0258017049 Bosch Oxygen 11787539123 752312302 753912303 LS17049

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eBayLambda Sensor 0258017049 Bosch Oxygen 11787539123 752312302 753912303 LS17049
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AutodocBOSCH Lambda sensor BMW 0 258 017 049 11787539123,752312302,753912303 LS17049
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Product Information

Full details

This Bosch O2 Lambda Oxygen Sensor (Part Number: 0258017049) is designed for vehicle owners and mechanics seeking to maintain optimal engine performance and fuel efficiency. Its key benefit is ensuring accurate exhaust gas monitoring for better combustion control. A caveat to note is the critical importance of verifying vehicle fitment before purchase, as compatibility can be highly specific. This sensor features 5 circuits and a total length of 550 mm, with a recommended replacement interval of 250,000 km, making it a durable option for many applications.

All features

Model Part Number0258017049
BrandBosch

Extended Product Information

FAQs

What is the recommended replacement interval for this sensor?

The recommended replacement interval for this Bosch O2 Lambda Oxygen Sensor is 250,000 km.

How do I know if my O2 sensor needs replacement?

Common signs include the Check Engine Light illuminating, decreased fuel economy, rough idling, poor acceleration, or failed emissions tests.

Can I install this sensor myself?

While possible for experienced DIY mechanics, professional installation is recommended due to the location on the exhaust system and the need for specific tools to avoid damage.

What does the 5-circuit design mean?

A 5-circuit design typically refers to a heated oxygen sensor with separate circuits for heating element control, signal output, and ground, allowing for faster response times and greater accuracy.

How long is the sensor cable?

The overall length of the sensor, including the cable, is 550 mm.

What are the cross-reference part numbers for this sensor?

This sensor cross-references with Omnicraft 2376458, BMW OEM references 11787539123, 752312302, 753912303, and other references like LS 17049 LSU-4.9.

What happens if I install the wrong O2 sensor?

Installing an incorrect O2 sensor can lead to inaccurate engine management, poor performance, increased emissions, illumination of the Check Engine Light, and potentially damage to the catalytic converter or other engine components.

Troubleshooting

Check Engine Light (CEL) remains on after installation.

Ensure the sensor is correctly installed and fully seated. Verify electrical connections are secure and free from corrosion. A diagnostic scan may be needed to clear the code and confirm the new sensor is functioning. In some cases, the ECU may need to relearn parameters.

Poor engine performance or rough idling persists.

Re-check compatibility for the specific vehicle. Confirm that no exhaust leaks are present before or after the sensor. Ensure all electrical connections are clean and tight. A faulty catalytic converter or other emissions components could also be a cause.

Reduced fuel economy has not improved.

Allow the vehicle's computer several driving cycles to adapt to the new sensor's readings. Ensure tire pressure is correct and other maintenance items are up-to-date. If issues persist, a professional diagnostic may be required to identify other contributing factors.

Pros and Cons

Pros

  • Ensures accurate engine performance monitoring.
  • Contributes to improved fuel efficiency.
  • Designed for long-term durability with a high replacement interval.
  • Manufactured by a trusted automotive brand (Bosch).
  • Specific 5-circuit design for precise readings.
  • Broad cross-referencing for easier part identification.

Cons

  • Vehicle fitment must be meticulously verified before purchase.
  • Installation may require specialized tools or knowledge.
  • Requires specific diagnostic tools for proper calibration/testing.
  • As a critical engine component, failure can lead to significant performance issues.
  • Availability of specific technical documentation may vary.

Setup, Compatibility & Care

Compatibility Verification:

Before purchasing, it is *essential* to verify that this Bosch O2 Lambda Oxygen Sensor is compatible with your specific vehicle make, model, and year. Utilize the vehicle fitment tool provided by your retailer or contact customer support with your vehicle's details (VIN, year, make, model, engine size) to confirm compatibility. Cross-reference the part number (0258017049) with your vehicle's original part number or consult an automotive parts catalog.

Installation:

Installation of an O2 sensor typically requires lifting the vehicle and accessing the exhaust system. It often involves unscrewing the old sensor and screwing in the new one. Due to the critical nature of this component and its location on the exhaust system, professional installation by a qualified mechanic is highly recommended. Special tools may be required to remove and install the sensor without damaging the threads or surrounding components.

Care:

Once installed, O2 sensors require no routine user care. However, their lifespan can be affected by factors such as engine oil contamination, coolant leaks, or the use of fuel additives not approved for vehicles with catalytic converters. Ensure your engine is running correctly and avoid using non-specified additives to prolong the sensor's life.

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