How much does it cost to have your spark plugs changed on Mini?

On average a spark plug change costs around £85. Typical prices can range anywhere from £55 to £125. Ultimately, the cost depends on your car and what parts your car's manufacturer recommends using for the replacement. Find out what you could save by having the spark plugs replaced by ClickMechanic by selecting your car at the top of this page!

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Q: What does a spark plug replacement on my Mini involve?

Mechanic will read the ECU for possible fault codes related to the ignition system. Mechanic will inspect the ignition system and spark plugs. If necessary, the mechanic will replace the full set of spark plugs Mechanic will advise if any other parts need to be replaced. Mechanic will check if the ignition system works correctly again and will test drive the car.

Q: What are the symptoms of bad Mini spark plugs?

The main symptoms that can occur when there is a faulty spark plug are; When starting the car is problematic. When the engine cuts out after starting. When the engine does not run smoothly (the engine misfires). When the car vibrates excessively. When the 'Check Engine' light on the car's dashboard is on.

Q: How long will a spark plug change take on my Mini?

On average a spark plugs change will usually take 1 hour, but can take anywhere from under 1 hour to 1.5 hours. The time that the job takes will depend on a range of factors. For example, your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.

Q: How often should you change Mini spark plugs?

Spark plugs are critical to the smooth running of an engine. Without them, the engine will simply not work as it should, if at all. Therefore as soon as you are advised that the spark plugs need changing, you should do so. Running an engine with a faulty spark plug can also cause additional wear and tear on other items. Spark plugs are always replaced as a set and not done individually.

Q: How can I extend the life of my Mini spark plugs?

The only thing you can do in reality is to use good fuel as this will improve the combustion and prevent the build up of deposits. Manufacturers service schedules for spark plug changes should be adhered to all tie to prevent issues from arising with older plugs.

Q: What type of spark plugs do I need for my Mini?

The type of spark plugs you need for your car depends on the make, model, and year of your vehicle. This information can usually be found in the owner's manual or by using online part finders such as Bosch Aftermarket and NGK part finder. You can also input your reg number and postcode on our website and we'll get you a price for the correct spark plugs replacement for your vehicle.

Q: Should I replace all Mini spark plugs at the same time?

It's generally advisable to replace all of the spark plugs at the same time since they will most likely have the same amount of wear. This also helps ensure that all of the spark plugs are firing as they should together, which can help improve engine performance considerably.

Q: How much does it cost to get spark plugs and wires changed on Mini?

On average a spark plug change costs around £85. Depending on the damage caused to the wires, they will also need to replaced which bring the average total cost to about £100. As this cost will change depending on the make and model of the car, you can get an exact price for your car by entering your postcode and vehicle registration number at the top of the page.

Q: Is it worth buying expensive spark plugs for my Mini?

Whether it's worth buying expensive spark plugs will often depend on the type of metal used to manufacture the spark plugs. Currently iridium spark plugs are the most expensive on the market as they're made of rare earth metal. Iridium plugs typically last longer, have a higher melting point, and create a more powerful spark. This means they help your car’s engine run better, and they last longer. In fact, many iridium plugs come with a 20,000-mile guarantee, which means you can often go years without changing your plugs.

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Maers Repairs

Rating: 4.9 out of 5

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Mobile mechanic in Telford, 11 years of experience

Our mobile mechanics save the hassle of driving your car to a garage. Book your mobile car service online and we'll come to your home or office.

“Daniel is very friendly, professional and knowledgeable. We had the late appointment issue due to the accident on the way to my location where had no mobile signal. But they managed to turn up late in the dark and rain. He was sincerely apologise for their late and promised they will get my car done as quick as possible even in the dark evening.
I accepted their apologies and understood there is nothing they can control.
They did their job fast and promptly. Unfortunately there is another issue about the supplier have sent them the wrong size break disc. They had to come back to my place next day from far after they exchanged the correct break disc in the early morning.
Finally they have completed the job and I was happy about the outcome.
Thank you Dan for your hard working and very polite attitude. I would recommend your job indeed.”

CHUI • 24th January 2026

MINI Mini • Spark plugs replacement

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Frequently asked questions about Mini spark plug change & replacements

What does a spark plug replacement on my Mini involve?

What are the symptoms of bad Mini spark plugs?

How long will a spark plug change take on my Mini?

How often should you change Mini spark plugs?

How can I extend the life of my Mini spark plugs?

What type of spark plugs do I need for my Mini?

Should I replace all Mini spark plugs at the same time?

How much does it cost to get spark plugs and wires changed on Mini?

Is it worth buying expensive spark plugs for my Mini?

Can local garages offer home collection and delivery for Mini spark plug change?

Can mobile mechanics do Mini spark plug change at my home or office?

How much does a Mini spark plug change cost?

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