Mass Airflow Sensor for BMW M5 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹8,000–₹30,000
What is the Mass Airflow Sensor?
MAF sensor measures the amount of air entering the engine.
How the Mass Airflow Sensor Works
It sends data to ECU for correct fuel injection.
Why the Mass Airflow Sensor is Important
Ensures proper air-fuel mixture.
Common Problems with the Mass Airflow Sensor
- Sensor contamination
- Failure
Warning Symptoms of a Failing Mass Airflow Sensor
- Poor mileage
- Check engine light
Common Causes of Mass Airflow Sensor Failure
- Dust
- Electrical faults
Impact on Car Performance
Incorrect readings reduce efficiency.
DIY Fix Guide — Step by Step
- Clean sensor carefully
Maintenance Tips
- Replace air filter regularly
Mass Airflow Sensor Replacement Cost in India
Expect to pay between ₹8,000 and ₹30,000 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 Mass Airflow Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Mass Airflow Sensor listings.
When to Replace the Mass Airflow Sensor
Replace if faulty readings persist.