Spark Plugs for BMW M4 Competition — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹2,000–₹8,000
What is the Spark Plugs?
Ignites air-fuel mixture in petrol engines.
How the Spark Plugs Works
Generates spark to start combustion.
Why the Spark Plugs is Important
Essential for engine starting and running.
Common Problems with the Spark Plugs
- Wear
- Carbon buildup
Warning Symptoms of a Failing Spark Plugs
- Misfire
- Hard start
Common Causes of Spark Plugs Failure
- Aging
- Poor fuel
Impact on Car Performance
Weak ignition reduces performance.
DIY Fix Guide — Step by Step
- Remove plug
- Inspect wear
- Clean or replace
- Gap check
Maintenance Tips
- Replace every 20,000–40,000 km
Spark Plugs Replacement Cost in India
Expect to pay between ₹2,000 and ₹8,000 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 Spark Plugs Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Spark Plugs listings.
When to Replace the Spark Plugs
Every 20k–40k km.