Oxygen Sensor for BMW X5 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹5,000–₹20,000
What is the Oxygen Sensor?
Measures oxygen level in exhaust gases.
How the Oxygen Sensor Works
Sends data to ECU for fuel adjustment.
Why the Oxygen Sensor is Important
Maintains optimal fuel-air ratio.
Common Problems with the Oxygen Sensor
- Sensor failure
- Contamination
Warning Symptoms of a Failing Oxygen Sensor
- Check engine light
- Poor mileage
Common Causes of Oxygen Sensor Failure
- Carbon deposits
- Wear
Impact on Car Performance
Leads to inefficient combustion.
DIY Fix Guide — Step by Step
- Scan ECU
- Replace sensor
Maintenance Tips
- Use quality fuel
Oxygen Sensor Replacement Cost in India
Expect to pay between ₹5,000 and ₹20,000 for genuine parts plus labour at an authorised BMW workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Oxygen Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Oxygen Sensor listings.
When to Replace the Oxygen Sensor
Replace when faulty or after 100,000 km.