When you need your engine to start up, your spark plugs are a key part of the ignition system helping it to do so. There needs to be electricity to light an air and fuel mixture in your combustion chamber, and your spark plugs are what are responsible for supplying this. The number of spark plugs your BMW has depends on the number of cylinders you have, which typically range from 4 to 6. Spark plugs are fitted on your cylinder heads and help to ignite the air and fuel mixture during the combustion process. If your spark plugs are wearing out, there are many signs that can occur when they are starting to go bad. It's important to pay attention to these and make replacements when you notice they are going bad. Your car might start to have decreased power when you're trying to accelerate. You also can start to experience problems starting your vehicle. If you're having to crank the key in the ignition a lot or you find your car is misfiring, it's worth getting your spark plugs checked out. When you shop for new spark plugs, make sure they're OEM replacements that will fit your specific BMW.
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