So, you want to know how to change your BMW spark plugs. Changing BMW spark plugs are slightly tougher than an ordinary car’s spark plugs. This is because you need to remove more parts to get to the spark plugs in a BMW. Once you reach the spark plugs on your BMW, however, you are pretty much home free.
What You Will Need:
- Spark plug socket
- 10 mm socket
- Socket extension
- Socket wrench
- Six new spark plugs
- Leather work gloves
- Screwdriver Philips
- Anti seize compound
- Drive to the auto parts store and buy your new spark plugs. Make sure that you also buy an anti seize compound. The store attendant will be able to tell you which spark plugs you need to buy for your particular BMW. Drive home and park your BMW in your driveway. Let your car cool down. Get all of your tools ready to change the spark plugs on your BMW.
- Open the hood of your BMW and secure it with the safety arm. Remove cabin micro filter. Take out the four screws, then pull it from the bottom and right out of your car. Set it to the side.
- Remove the oil cap and set it to the side. Remove the two 10mm screws that hold down your left side engine cover. Lift the engine cover out of your car and set it to the side. Put your oil cap back on.
- There are six coils on top of the spark plugs. There is a wiring cover on top of each of the six coils. Pull off the first wiring cover and you can pull the coil right out. Now you are ready to pull your first spark plug out of your BMW.
- Take your spark plug socket and put it on the end of the extension. Place black tape around the spark plug socket and the extension. This will keep the two pieces together and make it easier for you to pull and replace your spark plugs. Connect the socket wrench to the spark plug socket.
- Put the spark plug socket down into the hole that holds your spark plug. Connect to the spark plug and turn it counterclockwise. Keep turning the spark plug until your car releases it. Pull the old spark plug out of your BMW. Check out the condition of your spark plug.
- Take a new spark plug and wipe anti seize compound on the threads. The BMW has different spark plugs than a regular car. You do not have to set them. They are already set and ready to go into your car.
- Take the spark plug, put it into your spark plug socket, and put it into your car just as if you took it out. This time, you turn the spark plug clockwise. Turn the spark plug until it is snug in your car. Do not over tighten the spark plug. Put the coil back into the hole the way you took it out. Take the wire cover and replace it over the coil.
- Do this same process with all six of your spark plugs. Put your car back together and start it up. Your car should run like a new car.
Tape your spark plug socket to the extension to make the job easier.
Do not over tighten your new spark plugs.
Keep screws removed from car in a safe place.
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