Tyres are one of the most important parts of your car and one of the easiest things to check in terms of safety and legality. In this blog we explain what makes a tyre illegal or not, and how to check yours, to stay on the right side of the law, and the road! 

What Is The 'Legal' Tyre Tread in the UK?

To be legal, and not be at risk of landing you with a fine, your tyres must:

If you are pulled over, stopped or are in an accident with any of the above conditions not met, expect to receive 3 points and a £100 fine at least, per tyre. 

If the condition of your tyres is deemed to have caused an accident, you may find more serious criminal proceedings being brought against you.

A few things can make your tyres illegal, such as:

Tyre tread is the grooves cut into the rubber that make up the contact patch with the road. 

They are designed to expel water as the wheel rotates, enabling better wet performance and a reduced chance of aquaplaning. 

You can purchase special tools to measure the tread depth on your tyres, but there is an easier way using a 20p coin, check out our full guide 

Tyres are tough but not indestructible, they can be cut or abraded by curbing or from running over debris on the road, bulges can also appear from impacts such as those caused by potholes. 

You should check your tyres for damage periodically, making sure to check all around the tread surface too.

Rubber degrades as it ages and can start to crack and split, this is why most tyre manufacturers recommend replacing them after 8 years. 

It’s a good idea to find out your tyres age whilst doing your usual checks, this is especially important if you don’t do many miles. 

The year and week that the tyre was made is embossed on the side of the tyre in the format: WWYY. It is usually in a box or oval, somewhere on the sidewall. 

quality branded tyres such as Michelin, Pirelli

 etc, replace them after 8 years, for other brands, 5 or 6 years is the recommended end-of-life age.

Tyre pressure has a multitude of impacts on your car, including handling, traction when braking, stability and fuel economy. The manufacturer recommended pressures will be printed in the vehicle’s manual, and should be adhered to.

Small tyre pressure gauges are available from most car accessory shops, and allow you to easily measure your tyre pressure by simply removing the dust cap from your tyre valve and attaching the gauge.

Alternatively, you can use a pump, by connecting as normal and checking the pressure gauge before operating the pump, it will indicate the current pressure in the tyres.

If you notice your tyres are damaged or old, you should consider replacing them as soon as possible. It might be possible to save some money on part-worn tyres, but consider carefully before doing so.

discussed, there are some aspects associated with them that affect this. 

The biggest concerns are that part worms are often already 5-6 years old when purchased, and can cause further problems with your car, such as unpredictable handling (if mismatched tyres are fitted) and wear to other components. 

In my experience, part-worn tyres are often a false economy, offering little value and significant potential drawbacks.

With the consequences of illegal tyres and downsides of part-worns in mind, you may be worried about the cost of buying new tyres for your car, that’s where 

Bumper’s zero-percent interest tyre service

 comes in. Choose from hundreds of service partners nationwide, and find 

What Makes Tyres Illegal In The UK?

Flooding is challenging enough on its own, but dealing with car flood damage can leave you feeling at your wit’s end.

 and floods are becoming more common in the UK, where we already have a wetter weather pattern. So, knowing how to navigate water damage is critical for your car’s health and your own stress levels. 

This blog will discuss whether water damage is repairable, how to assess your car flood damage, and whether insurance will cover the costs. Scroll down to find the answers now!

Flooding can affect different parts of your car, depending on where the water sits and how long it’s been there. 

Here are some common types of flood damage:

The engine is often the most vulnerable and costly car part affected by flood damage.

If water has got into your engine through the air intake, it can mix 

leading to significant internal damage. In severe cases, the engine can seize, requiring an entire engine rebuild or replacement. 

If you suspect water has entered your car's engine, it’s crucial to seek professional advice from a reputable garage as soon as possible.

Before taking any action, it's crucial to assess the extent of the damage. 

 before a thorough assessment could cause further harm, leading to expensive repairs and future problems.

Follow these steps to properly assess car flood damage:

A water-damaged car write-off is the last thing you probably want to deal with. 

And luckily, a flooded car isn't automatically 

. It depends on the extent of damage, which will be officially assessed by your car insurance company.

Cars in Categories A and B must be scrapped, but repairable cars fall into Categories C, D, N, or S and can be used again. Repairing depends on costs versus value, though the car will have a lower resale value than an undamaged one.

Will flood damage be covered by my car insurance?

Flood damage to your car is often covered if you have comprehensive insurance, which protects against floods, fires, theft, and other non-crash events. 

However, third-party or basic liability insurance won’t cover flood damage. Comprehensive coverage gives you peace of mind with broader protection for your vehicle.

How to claim insurance for a flood-damaged car

There are four key steps you need to remember when claiming

 Note these down to ensure you get the best care:

Limitations for insurance and flood damage

Comprehensive insurance covers flood damage. However, there are some limitations and exclusions to be aware of.

If the cost of repairs exceeds your car’s value, your insurer may declare it a total loss and compensate you with the vehicle’s market value, helping you move forward. 

After paying your policy’s deductible, your insurance will cover the remaining costs, offering valuable support. 

While comprehensive coverage often includes flood damage, it’s wise to review your policy and confirm the details with your provider for peace of mind.

Your first thought after a flood is likely "Is water damage car repairable". But before deciding whether to repair your flood-damaged car, you need to consider a few things.

If the engine, transmission, or electrical system is damaged, repairs can be very expensive, so it’s essential to weigh the cost of repairs against the car’s value. 

Also, if your insurance company declares the car a total loss, the settlement offered may make repairing it less financially worthwhile. 

Even if the car is repaired, flood damage typically lowers its resale value, which could influence your future car plans.

Take these critical points into account before taking any action! 

Want to repair your car flood damage? Here are the main steps.

Repair costs can vary dramatically, so it’s hard to give a one-fits-all answer.

A flooded engine can cost upwards of £3,000 to replace, while fixing electrical issues can range from £1,000 to £5,000. Interior repairs like replacing seats or carpeting can cost an additional £1,000 or more.

With Bumper, you can split the cost of repairs with no extra charges.

If the cost of repairs is too high, you may decide to sell your flood-damaged car.

Selling your car helps you avoid costly repairs and means you won’t have to deal with future issues caused by flood damage. A sale also gives you immediate cash, which is always a pleasant benefit.

However, flood-damaged cars have a lower resale value, and you’ll have to disclose the damage to potential buyers, which might make it harder to sell. 

If you do want to sell your flood-damaged car, you should first get a professional assessment. This helps you get a fair asking price. 

It’s also vital to disclose the damage to potential buyers to avoid legal issues. Being honest builds trust and protects you from future claims. 

If the damage is extensive, consider selling to a salvage yard or a buyer specialising in flood-damaged vehicles, as they can better handle repairs or salvage parts.

Flood damage can have a devastating impact on your vehicle. Whether you decide to repair the damage, claim insurance, or sell your car, the key is to assess the situation carefully. 

Always weigh the costs and benefits before making a decision, and, of course, when in doubt work with a professional!

 offers zero-interest financing on car repairs, helping you cover unexpected car flood damage. We work with many partners nationwide who can assess and repair your car without added stress.

What To Do If You Have Car Flood Damage

Was tun bei einem Wasserschaden im Auto? 

As we head into November, drivers are being reminded of a common, but easily avoidable, mistake that could result in a hefty £2,500 fine and three penalty points on your licence. 

Rain is a given in the UK, but one simple check could keep you out of trouble and make your journey safer. When the rain starts to fall, a working set of windscreen wipers is essential to give you a clear view of the road. 

However, over time, wiper blades can degrade and stop working properly, which not only impairs visibility but also puts you at risk of serious fines.

Drivers are now being urged to inspect their windscreen wipers before setting off, especially during rainy spells. 

It’s best to check the wipers regularly, as worn-out or damaged blades can leave water streaks that blur your view – a potentially dangerous situation on a rainy road.

Driving with faulty wipers not only makes your commutes unsafe for you, pedestrians, and other road users but it could leave you thousands out of pocket too.

The legal backing for this advice comes from Section 40a of The Road Traffic Act, which makes it illegal to use a vehicle in a dangerous condition. This law applies to wipers, among other vehicle components, so keeping them in top condition is not just recommended – it’s required. 

Failing to do so could lead to a fine of up to £2,500 and three points on your licence if the poor condition of your wipers compromises your control over the vehicle.

To avoid fines and stay safe, inspect your wipers for any splits in the rubber or streaks left on the glass after use. 

A fresh set of blades is often affordable and easy to install, so replacing them as soon as they wear down is a small price to pay compared to a potential £2,500 penalty.

Alongside checking your wipers, ensure your headlights are fully functional and use them during heavy rain or low visibility. 

The law stipulates that you should be able to see at least 100 metres ahead when driving in wet weather; if you can’t, you’re again at risk of being fined under the ‘Using a Vehicle in a Dangerous Condition’ offence.

Rainy-day driving mistake that could cost you £2,500

Hailstorms aren’t an everyday occurrence in the UK, but when they do show up, they can wreak havoc on unsheltered cars. 

If your car’s been caught short and now has hail damage, don’t worry! There are some tried and tested ways to repair car hail damage, so your vehicle will be looking as good as new in no time.

This blog looks at the different types of hail damage, common repair costs, prevention strategies, and whether you can claim hail damage on your insurance. Those dents will be gone in the blink of an eye! Let’s get started.

Hail damage isn’t always the same. The damage can range from minor dents to severe broken glass, depending on the storm. Here’s a quick overview of hail damage for cars:

How often do hailstorms happen in the UK?

Hailstorms aren’t very common in the UK, but they tend to appear from September to April during the transition between seasons. 

, hail is most common in the western parts of Britain since the area is closest to the North Atlantic and Irish Sea. When cold showers reach the cold land in winter, hail is created. 

Eastern England and south-east Scotland see more hail in spring when 

 Most hailstones are smaller than 25mm. However, they can be as small as 5 mm and grow up to 50mm! 

How much does hail damage cost to repair?

Hail damage repair costs depend on the type of damage to your car. 

Here’s a quick breakdown of costs based on the four kinds of damage described earlier in the blog:

Fix hail damage as soon as possible. Some problems may 

The best way to avoid hail damage repair is to protect your car from the get-go. You can do so in a few simple steps. 

If you’re unlucky enough to get caught in a hailstorm, don’t panic! 

There are multiple ways to access hail damage repair, such as the following:

Most drivers should contact their local garage or dealership for professional advice. These experts can assess the damage and create a personalised repair plan.

This may include paint repair, paintless dent repair (PDR), new windows, or structural repairs.

While garages are recommended, if you’re knowledgeable about cars, you may want to tackle the hail damage yourself. 

For example, DIY dent removal kits can be used on minor dents. However, they may not be as seamless as 

 If you’re unsure or haven’t worked on a car before, it might be best to contact a professional.

You should seek professional help if the hail damage is extensive (e.g. broken glass, large dents, or severe paint chipping). Trying to fix large areas of damage yourself 

As stated above, if you’re unfamiliar with cars or DIY work, it’s always best to leave it in capable professional hands!

 you can split the cost of repairs with no extra charges.

 will pay out for car hail damage. However, it’s usually considered an ‘at-fault’ claim, meaning your premium will go up when it’s time to renew.

This doesn’t always seem fair, but it’s more due to the language used by car insurance companies. ‘At-fault’ means that no one else’s insurance will cover the costs, leaving your insurance company to foot the bill. 

Unlike comprehensive car insurance, third-party packages won’t cover hail. So, if you don’t have a sheltered parking spot and live in an area prone to hail, it’s best to opt for comprehensive insurance. 

If you’re unsure, you can check your policy coverage by logging into your insurance portal or looking at past paperwork. You can also reach out to the company if you can’t find the information. 

Always check before renewing or purchasing insurance!

Hail damage can be costly and frustrating, but hopefully, this guide has helped you minimise your risk or find relevant repair costs. 

If your car has sustained damage, review your insurance policy and reach out to a local garage for professional assistance. Avoid DIY repairs unless you have enough experience!

 offers zero-interest financing on car repairs, perfect for covering pesky hail damage. We work with many partners nationwide who can fix your car without stress. 

Find your nearest garage using Bumper here.

Car Hail Damage in the UK

Glow plug replacement costs in the UK range from £125 to £250. These small but essential 

 components ensure smooth starts, especially in cold conditions.

If your glow plugs fail, your engine may struggle to start, idle roughly, or emit excessive smoke. So, it’s key to keep an eye on them for a smooth drive.

Learn more about glow plug replacement and what to expect below.

How much does it cost to replace glow plugs?

The average cost for replacing glow plugs in the UK is £170.

However, prices can range from £125 to £250 depending on your vehicle's make and condition. These costs include changing all of your glow plugs in one go.

The cost of glow plug replacement varies based on your vehicle and the manufacturer’s recommended parts. Additionally, the type of mechanic—whether a mobile mechanic or a dealership technician—can impact the total diesel glow plug replacement cost.

Here’s a quick overview of glow plug replacement costs per car manufacturer, looking at the approximate cost of parts and labour. 

These costs may change depending on your car model and individual needs.

Your location can also affect the cost of glow plugs. 

How much are glow plugs at your local garage? Here are some average costs from across the UK:

How do I know if my glow plugs need replacing?

There are a few symptoms to keep an eye out for when it comes to replacing your glow plugs. These include:

If you notice any of these signs, it’s time to talk to a mechanic about a glow plug replacement. 

, you can spread the cost of any repairs at no extra cost. Learn 

If you notice any of the symptoms above, it could indicate a problem with your glow plugs. 

Here are some common problems and quick fixes to help you get back on the road:

Glow plugs can be expensive to replace due to the cost of the parts and the labour involved. 

High-quality plugs for modern diesel engines are pricier, and labour costs can add up if they're hard to access. Some cars also require specialised tools, which can increase the overall cost as garages might need to import them or you might need to travel to a specialised mechanic.

In most diesel vehicles, there’s typically one glow plug per cylinder. For example, a six-cylinder engine would have six plugs. 

 manufacturer, or modifications. Always refer to your owner’s manual for specific details.

You should replace your glow plugs every 80,000 to 100,000 miles or when they show signs of failure. Driving conditions, maintenance habits, and the quality of the glow plugs can all impact their lifespan. It's wise to have them checked during regular maintenance so you can drive knowing they’re in tip-top condition!

How long does it take to replace glow plugs?

Replacing glow plugs typically takes 1 to 2 hours, depending on your car’s make and model. 

Some engines are easier to access than others, affecting the overall repair time. Similarly, it may take longer if the glow plugs are seized or hard to reach.

Always factor in extra time and ask your garage for an estimated time frame to get a more accurate idea.

Are there any warning lights for glow plugs?

Many diesel vehicles have a glow plug warning light, usually a coil or spiral symbol. It lights up while the plugs heat and turns off once ready or the engine starts. 

may also appear, although it can indicate other issues as well.

Jump to Bumper’s complete dashboard warning light guide now.

The accurate answer depends on your car's make, driving style, and material quality. Check your owner’s manual for answers, or 

contact the dealership for specific advice.

Many manufacturers' warranties cover glow plugs if they fail due to a defect but not if they wear out from normal use. Always check your warranty details for a clearer answer, or ask your dealer for specific coverage on glow plugs.

Yes, faulty glow plugs can damage your engine. If they don't heat properly, the engine may struggle to start, leading to rough idling or misfires. 

Over time, this can strain other parts, such as the fuel injectors and the starter motor, potentially leading to costly repairs.

No, it's not advised. Driving with faulty glow plugs can cause poor performance and engine misfires, putting you and others at risk. 

If you must drive, keep the trip short and head straight to a mechanic.

Checking your diesel engine’s glow plugs is an important but simple part of regular maintenance. Before starting, make sure the engine is off and you're in a well-ventilated area for safety. 

Some models may need a special tool to remove glow plugs, so check your car’s requirements. Look for cracks, wear, or carbon buildup, and replace damaged plugs quickly. 

Always refer to your owner’s manual and new plug instructions, and contact a professional if unsure about your glow plug replacement. 

Hopefully, if you’re considering a glow plug replacement, this guide has helped you discover approximate costs and what to do next. 

Don’t forget to check for glow plug symptoms and check whether your problem is covered under warranty before you consult a mechanic. 

Glow plug repairs on the horizon? Bumper is here to help.

, you can split the cost of repairs into monthly payments at no extra cost. 

Apply online for up to £5,000 and choose from 1,000s of trusted repairers. 

How Much Does It Cost To Replace Glow Plugs?

¿Cuánto cuesta cambiar las bujías de pre-calentamiento?

Not only is it inconvenient, but your car's engine cutting out can be very dangerous, especially when tackling junctions and roundabouts. If you find your car is cutting out regularly, take 10 to read this article, exploring all the possible causes.

Why Does My Car Keep Cutting Out or Stalling?

There are multiple reasons why your car could be cutting out, these will generally fall under the following: an electrical issue (faulty sensor or control module), a fuelling issue (blocked fuel filter or bad fuel pump), or a spark issue (faulty ignition coil or bad spark plugs). 

10 Most Common Reasons a Car is Cutting Out

Your engine needs a constant, uninterrupted supply of fuel to run smoothly. Debris and dirt in your fuel tank or lines can cause blockages that cause stalling or cutting out. 

Another area to check is the fuel filter, this prevents the aforementioned detritus and contaminants from making it to the engine. Over time the filter can become clogged and restrict the flow of fuel.

In a petrol car, the fuel and air mixture is ignited by the spark plugs, which are connected to an ignition coil. Older cars tend to have one coil pack for all the cylinders, and others have individual coils, one for each spark plug.

With the heat and vibration present in an engine bay, the coils can break down over time, and fail to power the spark plugs correctly.

To ensure the correct running of your engine, an airflow meter is used to monitor how much air is entering the engine. If the sensor has become clogged or damaged the ECU will be unable to correctly adjust the fuel input, causing poor running and stalling.

Issues with air flow meters don't always require immediate replacement, they can often be removed and cleaned to resolve the problem. 

An integral part of the fuel system is the pump that moves fuel from the tank to the engine, they are electronically powered and can sometimes wear out or fail. In this case, insufficient fuel will be delivered to the engine, naturally causing running issues.

Alongside the air flow sensors, ECUs use many other sensors to monitor the state of an engine, these include cam position sensors, crank position sensors, knock sensors and manifold pressure sensors. 

As sensors are often exposed to high levels of vibration and elevated temperatures, they can break down over time and produce erroneous or incomplete data to the ECU. 

A petrol engine requires air, fuel and an ignition source. Ignition inside the cylinder is provided by a spark plug. Over time spark plugs can become worn and deteriorate, reducing the strength of the spark, and therefore the efficiency of the engine. 

In extreme cases very old spark plugs can cause stalling or idling issues, the colour of the spark plugs can indicate if worn spark plugs are the cause of the problem.

Some older cars at idle, i.e. when there is no accelerator input from the driver, use an Idle Control Valve to keep the engine ticking over with a low enough RPM to not stall, but not excessively waste fuel. 

A sticky or worn Idle Control Valve can cause an engine to stall, this is especially common to happen when slowing down to a stop, such as at a junction or traffic lights. 

There are numerous electrical systems that control the running of an internal combustion engine, including ignition timing, fuel supply and the management of both combined. 

Any damage to the wiring loom can cause erratic running and stalling issues, which can also often occur at irregular intervals.

The systems mentioned above naturally require electrical energy to operate, this is provided by the car’s battery, which is topped up whilst driving by the alternator. 

Issues with either the alternator or the battery can cause running issues, by interrupting the power supply to the ECU, ignition coils or various other systems.

As obvious as it sounds, it's surprisingly easy to run out of fuel, this can either be caused by a faulty fuel level sensor, meaning the gauge is showing the incorrect level, or of course a distracted driver!

If your car is a diesel, you may need to have the fuel system bled before it will restart, as there is likely to be air in the fuel lines. 

Regular servicing and maintenance can identify issues such as worn-out spark plugs, coil packs or blocked fuel filters. Having this done can mean any future stalling issues are both less likely to occur and easier to diagnose and fix.

Repair Stalling Issues Easily With Bumper

Some of the most common issues we’ve discussed above can mean unfortunately timed bills, to ease the inconvenience of these, 

 offers zero-interest financing on car repairs, offered by 

Why Does My Car Keep Cutting Out?

Warum geht mein Auto ständig aus?

Anything other than a quiet, smooth ride from your car can often be cause for alarm. The reality is that there are many different causes for juddering, from engine faults to brake and suspension issues. 

In this article I cover some of the most common causes of cars' juddering and how they are usually remedied, as well as how severe of a problem they can become. 

Juddering when driving can be a symptom of a few different problems, but regardless of the cause, it can be disconcerting, to say the least, especially as some causes can get worse with speed. These are the two most common reasons:

Alastair Shephard

Content Writer