Reasons Behind Ignition Coil Failure in BMW From Certified Mechanics in Woodinville

The ignition coil in your BMW is an electrical component that amplifies the voltage received from the battery and the alternator. The ignition coils then send this voltage to the spark plugs. This is the early part of the combustion process necessary for your engine to start and run properly.

Every spark plug has a corresponding ignition coil, so if a coil begins to malfunction or break down, the spark plug will putter and fail to provide the necessary spark for the engine. You can see how these parts work in tandem for a smooth engine performance. If moisture or wear and tear jeopardizes this process, it can mean trouble for your engine.

Make sure you ask your trusted BMW mechanic to check for potential issues like this a few times a year. These can be quickly and easily fixed during a scheduled visit instead of having to take your car at inconvenient times for service. Being a proactive car owner will save you time and money in the long run. It’s better to maintain your vehicle than to deal with surprise breakdowns that can cost much more if there is long-term damage.

7 Symptoms of Ignition Coil Failure

The ignition coil failing is usually an issue that happens slowly, allowing you to notice symptoms before your engine fails to start. Here are the most common symptoms:

  • You have a rough ride: BMW drivers are used to a smooth, quiet, and comfortable ride. When you experience ignition coil failure, this may not remain true anymore. You will experience a rougher ride as your engine is sputtering, hesitating, or jerking. This is one of the most prominent indicators of ignition coil issues. Bring your car into today for diagnostic testing and a report on our findings.
  • Your engine is misfiring: Another sign that your ignition coils are experiencing problems is that your engine is misfiring. You may hear odd noises such as coughing or sputtering sounds coming from your engine. When you drive faster, you may also notice your engine has a jerking sensation. Your BMW may vibrate or shake when the car idles.
  • Your car is backfiring: Backfiring is a relatively early sign that there is a problem. Usually, this happens because there is unused fuel in the combustion cylinders, and it leaves through the exhaust. Along with backfiring, you may also notice black smoke coming out of your exhaust or the smell of gasoline. This can be a potentially dangerous situation. Make sure to seek out help from our BMW specialist as soon as you can.
  • It is challenging to start your car: As the problem worsens, you may have issues getting your car started. As soon as this occurs, you should contact your mechanic as it will not be long until an intermittent problem turns into you not being able to drive at all.
  • Your fuel economy has worsened: When all the parts of your car are not working in tandem the way they were designed, your fuel economy will suffer. You may notice you need to get gas more often than usual. It’s good to track this mentally so you can become suspicious of a problem if you find yourself at the fuel pump more often than usual.
  • The check engine light is illuminated: You may notice that your check engine light has illuminated on your dashboard. The engine light can mean several things, so it is best to make an appointment with our car technician to get a proper diagnosis.
  • Your BMW is stalling: Your car may stall because of irregular voltage being sent to the spark plugs. If your engine is not stalling yet, you might notice that you have a rougher idle than before.

BMW Ignition Coil Replacement

Woodinville Sports Cars

Woodinville Sports Cars will assist you with any issues you may be having with your BMW, including problems with your ignition coils. We service drivers from Bothell, Kenmore, Kirkland, Mill Creek, Redmond, Snohomish, and Woodinville, WA.

Our skilled ASE-certified mechanics have years of experience diagnosing and repairing luxury cars such as BMW, Audi, Mini, and Volkswagen. Call or stop in today and allow us to earn your trust with our guaranteed services.

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