How to Replace Bosch Platinum Spark Plugs?

Answer Bosch platinum spark plugs are considered "high performance" plugs. The platinum tip offers improved spark over stock or factory plugs, resulting in a cleaner burn inside the engine's combustion ch... Read More »

Top Q&A For: How to Replace Bosch Platinum Spark Plugs

What Happens If You Replace Platinum Spark Plugs With Regular Plugs?

Many vehicles came from the factory with platinum or iridium spark plugs, but most applications also list the good old copper spark plug. There can be multiple versions of all of them, depending on... Read More »

Are Bosch spark plugs better than NGK?

On One Hand: Not According to ConsumersBosch spark plugs are significantly less expensive than NGKs, and it shows, according to consumers. Drivers report a variety of problems with Bosch plugs, inc... Read More »

How to Test Bosch Spark Plugs?

Spark plugs are an essential part of your engine. Without the initial spark to set things running, you're just not going to be able to turn over your engine. Additionally, without the spark plugs' ... Read More »

How do I Get a Refund on Bosch Spark Plugs?

According to the Bosch website, its spark plugs are guaranteed to provide "pavement-ripping power and a cleaner burn." The Platinum series and above also promise to increase horsepower, improve eng... Read More »