Crankshaft for BMW M2 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹50,000–₹1,50,000
What is the Crankshaft?
The crankshaft converts the up-and-down motion of pistons into rotational motion to drive the vehicle.
How the Crankshaft Works
It rotates as pistons move, transferring power to the transmission system.
Why the Crankshaft is Important
Essential for power delivery from engine to drivetrain.
Common Problems with the Crankshaft
- Wear and tear
- Crankshaft bending
- Bearing damage
Warning Symptoms of a Failing Crankshaft
- Engine knocking
- Vibration
- Oil pressure drop
Common Causes of Crankshaft Failure
- Poor lubrication
- High RPM stress
- Oil contamination
Impact on Car Performance
Faulty crankshaft leads to severe engine vibration and power loss.
DIY Fix Guide — Step by Step
- Check engine oil level
- Listen for knocking sounds
- Inspect oil quality
Maintenance Tips
- Regular oil change
- Avoid over-revving
Crankshaft Replacement Cost in India
Expect to pay between ₹50,000 and ₹1,50,000 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 Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Crankshaft listings.
When to Replace the Crankshaft
Replace if damaged or worn beyond repair.