Thermal Controller for BMW iX — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹70,000–₹1,80,000
What is the Thermal Controller?
Manages temperature of battery, motor, and electronics.
How the Thermal Controller Works
Uses sensors and coolant loops to regulate temperature.
Why the Thermal Controller is Important
Prevents overheating and improves efficiency.
Common Problems with the Thermal Controller
- Overheating
- Cooling failure
Warning Symptoms of a Failing Thermal Controller
- Performance drop
- Warning alerts
Common Causes of Thermal Controller Failure
- Coolant leaks
- Sensor issues
Impact on Car Performance
Reduces efficiency and battery life.
DIY Fix Guide — Step by Step
- Check coolant levels
- Inspect leaks
- Monitor temperature alerts
Maintenance Tips
- Regular coolant checks
- Avoid extreme driving conditions
Thermal Controller Replacement Cost in India
Expect to pay between ₹70,000 and ₹1,80,000 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 Thermal Controller Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Thermal Controller listings.
When to Replace the Thermal Controller
When persistent overheating occurs.