Crankshaft Position Sensor for BMW Z4 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹5,000–₹15,000
What is the Crankshaft Position Sensor?
Monitors crankshaft position and speed.
How the Crankshaft Position Sensor Works
Sends data to ECU for ignition timing.
Why the Crankshaft Position Sensor is Important
Essential for engine start and timing.
Common Problems with the Crankshaft Position Sensor
- Sensor failure
Warning Symptoms of a Failing Crankshaft Position Sensor
- No start
- Engine stalling
Common Causes of Crankshaft Position Sensor Failure
- Electrical faults
Impact on Car Performance
Engine may stop working.
DIY Fix Guide — Step by Step
- Scan error codes
- Replace sensor
Maintenance Tips
- Avoid wiring damage
Crankshaft Position Sensor Replacement Cost in India
Expect to pay between ₹5,000 and ₹15,000 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 Crankshaft Position Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Crankshaft Position Sensor listings.
When to Replace the Crankshaft Position Sensor
When faulty.