Thermal Controller for BMW i5 — 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 systems.
How the Thermal Controller Works
Uses sensors and software logic to regulate coolant flow and heat exchange.
Why the Thermal Controller is Important
Prevents overheating and ensures optimal efficiency.
Common Problems with the Thermal Controller
- Sensor failure
- Incorrect temperature regulation
Warning Symptoms of a Failing Thermal Controller
- Overheating warnings
- Reduced performance
Common Causes of Thermal Controller Failure
- Software bugs
- Sensor malfunction
Impact on Car Performance
Reduced efficiency and possible system shutdown.
DIY Fix Guide — Step by Step
- Check warning lights
- Update system software
Maintenance Tips
- Regular diagnostics
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
When thermal regulation becomes inconsistent.