Thermal Controller for BMW i4 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹60,000–₹1,80,000
What is the Thermal Controller?
Manages temperature across battery, motor, and electronics.
How the Thermal Controller Works
Controls coolant flow and heat exchange systems.
Why the Thermal Controller is Important
Maintains optimal operating temperature.
Common Problems with the Thermal Controller
- Sensor mismatch
- Controller failure
Warning Symptoms of a Failing Thermal Controller
- Overheating alerts
- Reduced performance
Common Causes of Thermal Controller Failure
- Software faults
- Sensor issues
Impact on Car Performance
Thermal inefficiency reduces lifespan of components.
DIY Fix Guide — Step by Step
- Check coolant levels
- Inspect sensors
- Run diagnostics
Maintenance Tips
- Regular system checks
Thermal Controller Replacement Cost in India
Expect to pay between ₹60,000 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
Replace when temperature regulation fails.