Crankshaft for BMW 2 Series Gran Coupe — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Critical | Replacement Cost in India: ₹50,000–₹1,50,000
What is the Crankshaft?
The crankshaft converts linear piston motion into rotational energy.
How the Crankshaft Works
It rotates as pistons move up and down, transferring energy to drivetrain.
Why the Crankshaft is Important
Essential for engine power output and motion transfer.
Common Problems with the Crankshaft
- Wear
- Bearing failure
- Cracks
Warning Symptoms of a Failing Crankshaft
- Knocking noise
- Engine vibration
- Oil pressure drop
Common Causes of Crankshaft Failure
- Poor lubrication
- High mileage
- Over-revving
Impact on Car Performance
Failure leads to engine seizure.
DIY Fix Guide — Step by Step
- Monitor engine oil level
- Listen for knocking sounds
- Check oil pressure
Maintenance Tips
- Use high-quality oil
- Regular oil changes
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 when excessive wear or cracks are detected.