Motor Position Sensor for BMW i4 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹10,000–₹40,000
What is the Motor Position Sensor?
Tracks the rotor position inside the electric motor.
How the Motor Position Sensor Works
Sends position data to control unit for precise motor operation.
Why the Motor Position Sensor is Important
Ensures smooth and efficient torque delivery.
Common Problems with the Motor Position Sensor
- Signal loss
- Sensor damage
Warning Symptoms of a Failing Motor Position Sensor
- Jerky motion
- Error codes
Common Causes of Motor Position Sensor Failure
- Electrical faults
- Wear
Impact on Car Performance
Reduced motor efficiency.
DIY Fix Guide — Step by Step
- Check wiring
- Scan ECU
- Replace if faulty
Maintenance Tips
- Keep connectors clean
Motor Position Sensor Replacement Cost in India
Expect to pay between ₹10,000 and ₹40,000 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 Motor Position Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Motor Position Sensor listings.
When to Replace the Motor Position Sensor
Replace when signal inconsistency is detected.