Oxygen Sensor (O2 Sensor) for BMW M8 Coupe Competition — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹8,000–₹25,000
What is the Oxygen Sensor (O2 Sensor)?
The oxygen sensor measures oxygen levels in exhaust gases.
How the Oxygen Sensor (O2 Sensor) Works
It sends feedback to ECU to optimize fuel mixture.
Why the Oxygen Sensor (O2 Sensor) is Important
Ensures fuel efficiency and emission control.
Common Problems with the Oxygen Sensor (O2 Sensor)
- Sensor failure
- Slow response
Warning Symptoms of a Failing Oxygen Sensor (O2 Sensor)
- Check engine light
- Poor mileage
- Rough running
Common Causes of Oxygen Sensor (O2 Sensor) Failure
- Carbon buildup
- Aging
Impact on Car Performance
Incorrect readings increase fuel consumption.
DIY Fix Guide — Step by Step
- Scan OBD codes
- Replace faulty sensor
Maintenance Tips
- Use good fuel quality
Oxygen Sensor (O2 Sensor) Replacement Cost in India
Expect to pay between ₹8,000 and ₹25,000 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 (O2 Sensor) Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Oxygen Sensor (O2 Sensor) listings.
When to Replace the Oxygen Sensor (O2 Sensor)
Replace every 60,000–100,000 km or if faulty.