Cylinder Head for BMW 7 Series — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹80,000–₹3,00,000
What is the Cylinder Head?
The cylinder head sits atop the engine block and houses valves, camshaft, and combustion chambers.
How the Cylinder Head Works
It seals the combustion chamber and directs airflow via intake and exhaust ports while hosting valve train components.
Why the Cylinder Head is Important
Critical for compression, combustion efficiency, and thermal control.
Common Problems with the Cylinder Head
- Warping
- Cracks
- Oil leaks
Warning Symptoms of a Failing Cylinder Head
- Overheating
- White smoke
- Loss of compression
Common Causes of Cylinder Head Failure
- Overheating
- Coolant loss
- Thermal stress
Impact on Car Performance
Damaged head can reduce efficiency by 40% and lead to engine failure.
DIY Fix Guide — Step by Step
- Check coolant levels
- Inspect for oil mixing
- Monitor engine temperature
Maintenance Tips
- Avoid overheating
- Regular coolant checks
Cylinder Head Replacement Cost in India
Expect to pay between ₹80,000 and ₹3,00,000 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 Cylinder Head Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Cylinder Head listings.
When to Replace the Cylinder Head
Replace if cracked or severely warped.