Spark Plugs for BMW Z4 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹2,000–₹8,000
What is the Spark Plugs?
Spark plugs ignite the air-fuel mixture in petrol engines.
How the Spark Plugs Works
They generate a spark at precise timing to initiate combustion.
Why the Spark Plugs is Important
Essential for starting and engine performance.
Common Problems with the Spark Plugs
- Fouling
- Wear
Warning Symptoms of a Failing Spark Plugs
- Misfire
- Poor mileage
- Hard start
Common Causes of Spark Plugs Failure
- Carbon buildup
- Old age
Impact on Car Performance
Reduces efficiency and causes rough engine.
DIY Fix Guide — Step by Step
- Inspect plugs
- Clean or replace
Maintenance Tips
- Replace every 30k km
- Use OEM parts
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 30,000–50,000 km.