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5 Ways of Knowing If Your BMW Needs New Spark Plugs from Experts in Modesto

BMW Spark Plug Change

By Kruse Lucas ImportsPublished about a year ago 3 min read

There are some specific parts in your car that play a critical role in the smooth running of the car and whenever any of these parts encounters issues it makes it impossible for you to drive the car. No matter whether you are driving a high-end car like the BMW or a family sedan.

In fact, it is seen that luxury car like BMW is particularly prone to spark plugs failure that might leave you stranded in the middle of the road as you will be unable to start your car without properly functioning spark plugs. The spark plugs help in igniting the air/fuel mixture which in turn starts your car.

There are various factors that can cause spark plugs failure and whenever your BMW encounters this issue, you will come across certain signs exhibited by your car. Here in this article, we will discuss the signs associated with spark plugs failure in your BMW shared with us by the expert mechanics in Modesto, CA.

Misfiring Engine

The engine is the heart of your car and any part which has a direct or indirect bearing on the smooth functioning of the engine can affect its functioning. The spark plugs have a direct bearing on the operation of the engine as they help in the efficient burning of the fuel in your engine.

The misfiring of the engine of your car is mostly related to issues in the ignition system of the car. The spark plugs are a critical part of the ignition system of your car. Whenever the spark plugs are damaged, then it is going to adversely affect the functioning of the engine of your car.

Most of the time the wires connecting the spark plugs might be damaged due to years of operation or the tip of the spark plugs connecting the wires might be damaged. The misfiring of the engine becomes evident when the car sputters or stumbles while driving.

Acceleration Issues

Most of the time it is observed that issues with the functioning of the spark plugs often translate into other forms of trouble while driving the car and one such issue that comes to the fore because of bad spark plugs in your luxury car is slow acceleration.

Now, people driving a luxury car like BMW seldom encounter a problem with the acceleration of their car and if you observe that there is a slow or sluggish response from your car whenever you press the acceleration pedal, then you must immediately take note of it as it can be caused due to worn out spark plugs.

If you experience sluggish acceleration, then take your luxury car to a BMW specialist who can diagnose the issues causing the problem and replace the spark plugs if they are faulty.

Reduced Fuel Economy

The fuel economy of your vehicle depends on a lot of factors and it is often noticed that faulty spark plugs do affect the miles per gallon of your vehicle. BMW drivers may not be too observant when it comes to the fuel economy of their cars.

However, keeping an eye on the miles per gallon of your car will help you in determining whether there is something wrong with your car or not. If you observe a drastic drop in the miles per gallon of your car, then you can be sure that there is something wrong in your car & it might be caused due to faulty spark plugs.

Starting Issues

One of the most common problems faced by the majority of drivers encountering spark plug issues is starting issues in their cars. The spark plugs are directly related to starting your car and whenever they malfunction, you won’t be able to start your car.

Generally, people opine that the battery should be inspected when facing starting issues & upon inspection if you find that the battery is fine, then the issue lies with the spark plugs.

Check Engine Light

The check engine light located on the dashboard of your car illuminates whenever there is something wrong with your car. The faulty spark plugs will also cause the warning light to illuminate on the dashboard of your car. However, the problem with the check engine light is that it can illuminate due to a host of other factors.

That is why taking your BMW to a certified repair shop for diagnosing & fixing the issues causing the warning light to come on is very important.


The above-discussed factors are some of the symptoms that are evident whenever the spark plugs in your BMW encounter issues. Most of the time these issues can be avoided if you are proactive in maintaining your BMW as per the manufacturer’s recommended maintenance schedule of your car.


About the Creator

Kruse Lucas Imports

Kruse Lucas Imports is a leading European auto repair and service expert located in Modesto having years of experience in looking after luxury European cars like Audi, BMW, Jaguar, Land Rover, Maserati, Mercedes, Porsche, Volkswagen.

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    Kruse Lucas ImportsWritten by Kruse Lucas Imports

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