How soon should I have my flat tire repaired?

Driving on a flat tire is not a good idea. Your 840i xDrive Gran Coupe engine will keep running with a flat tire, but you could damage your wheel by continuing to drive on a flat.

Is temporary sealant bad for my BMW's tires?

Temporary sealants will solve your problem… for a little bit. If you’ve seen temporary or emergency tire sealant before (it usually comes in a can), it can be tempting to turn to this as a solution for your flat tire. Keep in mind that these fixes could buy you some time to get to Firestone Complete Auto Care for a proper repair, but they could also cause some harm in the process (for example, damage to your TPMS). Plus, using a product like this could void your tire warranty.

Can’t I just keep my spare tire on for a while?

While this sounds great in theory, keep in mind that most spare tires are not designed for distance or speed. The compact spare tire that most likely sits inside your 2025 BMW 840i xDrive Gran Coupe is intended for only a few days of use, so don’t use it as a substitute for getting your tire repaired.

Where can I get my BMW 840i xDrive Gran Coupe tires repaired?

Your local Firestone Complete Auto Care can generally take care of most BMW 840i xDrive Gran Coupe tire repairs. However, it depends on the severity of the damage.

What can cause 840i xDrive Gran Coupe tires to keep losing air?

Tire punctures, damaged wheels, and leaking valve stems are possible reasons for your 840i xDrive Gran Coupe tires continuously losing air.

Can I replace just one or two tires on my BMW 840i xDrive Gran Coupe?

While it may not always be necessary to replace all four tires on your 840i xDrive Gran Coupe, it’s advised you replace them in pairs or all at once to ensure optimal safety and performance. Having two new tires and two worn tires can put you at risk since the worn tires might not have as good of traction as the new ones. Reference your owner’s manual to see if you will need to replace all four tires due to a large difference in tread.

2025 BMW 840i xDrive Gran Coupe Flat Tire Repair Service

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Get Your BMW 840i xDrive Gran Coupe Tire Repaired

City populations are exploding. New roads and buildings are springing up. Everywhere you look, it seems construction is in progress! Unfortunately, this can mean a higher chance of a flat or damaged tire caused by debris in the road. If your 2025 BMW 840i xDrive Gran Coupe is in need of a tire inspection or possible flat tire repair, Firestone Complete Auto Care has your back. In some cases, a tire doesn’t have to be replaced – it can be plugged and patched with a simple repair. Depending on the damage, though, a repair might not be the right move. Our technicians can determine which option is best for your situation. We’ll begin by taking a look at where the damage is, the type and extent of the tire damage, and how all of your tires are wearing.

If your 2025 BMW 840i xDrive Gran Coupe tire puncture can be repaired, we’ll get to work on the steps to fix it: (1) Take the tire off the wheel for easy inspection, (2) fill the puncture to keep the moisture out, and (3) secure and seal the inner tire liner to ensure the tire is airtight.

BMW 840i xDrive Gran Coupe Tire Replacement

Not all 2025 BMW 840i xDrive Gran Coupe tire damage can be repaired. For tires that have less than 2/32nd inch of tread left, a repair simply isn’t possible – even if the tire damage is minimal. This tread depth indicates that the tire is worn out, and needs to be replaced. Other tire damage that can't be safely repaired includes a puncture in the tire that is ¼ inch or greater in diameter; a tire with a puncture or damage outside the tread area; a tire with two or more punctures that are less than 16 inches away from each other; and a tire with tread separation or significant cuts.

Sometimes, it's in your best interest to buy one, two, or four new tires depending on BMW's recommendation. For vehicles with AWD, manufacturers recommend replacing all four tires simultaneously. This is because the AWD system can only function optimally when all tires are uniform. But, if you’ve recently replaced your tires and they don’t have significant wear, a new set might not be needed. It’s possible that you will only need to replace the tire that’s damaged – just make sure it’s the same size, type, and brand as the rest of your tires. Need help? A tire technician can walk you through the options and help you determine what’s best for your vehicle’s performance and longevity.

Do I Need a Tire Inspection for My BMW 840i xDrive Gran Coupe?

Some tire issues can cause you to have a flat, but other damage isn't so noticeable right away. Inconspicuous issues like bulging sidewalls, exhaust noise, leaks, or bent rims may indicate issues that need immediate attention. Bring your 2025 BMW 840i xDrive Gran Coupe in for a tire inspection so we can assess the damage and help keep you safe on the road.

BMW 840i xDrive Gran Coupe Tire Repair Questions

How soon should I have my flat tire repaired? Driving on a flat tire is not a good idea. Your 840i xDrive Gran Coupe engine will keep running with a flat tire, but you could damage your wheel by continuing to drive on a flat.
Is temporary sealant bad for my BMW's tires? Temporary sealants will solve your problem… for a little bit. If you’ve seen temporary or emergency tire sealant before (it usually comes in a can), it can be tempting to turn to this as a solution for your flat tire. Keep in mind that these fixes could buy you some time to get to Firestone Complete Auto Care for a proper repair, but they could also cause some harm in the process (for example, damage to your TPMS). Plus, using a product like this could void your tire warranty.
Can’t I just keep my spare tire on for a while? While this sounds great in theory, keep in mind that most spare tires are not designed for distance or speed. The compact spare tire that most likely sits inside your 2025 BMW 840i xDrive Gran Coupe is intended for only a few days of use, so don’t use it as a substitute for getting your tire repaired.
Where can I get my BMW 840i xDrive Gran Coupe tires repaired? Your local Firestone Complete Auto Care can generally take care of most BMW 840i xDrive Gran Coupe tire repairs. However, it depends on the severity of the damage.
What can cause 840i xDrive Gran Coupe tires to keep losing air? Tire punctures, damaged wheels, and leaking valve stems are possible reasons for your 840i xDrive Gran Coupe tires continuously losing air.
Can I replace just one or two tires on my BMW 840i xDrive Gran Coupe? While it may not always be necessary to replace all four tires on your 840i xDrive Gran Coupe, it’s advised you replace them in pairs or all at once to ensure optimal safety and performance. Having two new tires and two worn tires can put you at risk since the worn tires might not have as good of traction as the new ones. Reference your owner’s manual to see if you will need to replace all four tires due to a large difference in tread.

Repair Services for Your 2025 BMW 840i xDrive Gran Coupe

Nothing lasts forever. Even your BMW 840i xDrive Gran Coupe's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2025 BMW 840i xDrive Gran Coupe repairs.