Crankshaft for BMW 5 Series — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹60,000–₹1,80,000
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 energy to the transmission via the flywheel.
Why the Crankshaft is Important
Essential for engine power delivery and smooth rotation.
Common Problems with the Crankshaft
- Wear
- Cracks
- Bearing failure
Warning Symptoms of a Failing Crankshaft
- Engine vibration
- Knocking noise
- Oil pressure drop
Common Causes of Crankshaft Failure
- Poor lubrication
- High mileage
- Manufacturing defects
Impact on Car Performance
Failure can lead to complete engine seizure.
DIY Fix Guide — Step by Step
- Check engine oil levels
- Listen for knocking noise
- Monitor vibration
- Consult mechanic immediately
Maintenance Tips
- Regular oil changes
- Avoid engine over-revving
Crankshaft 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 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 during major engine rebuild or severe damage.