How soon should I have my flat tire repaired?

A flat tire that’s not addressed can take a terrible toll on the rest of your car. Until you have it repaired or replaced, drive your 840i xDrive as little as possible to reduce your risk of damage to the wheels and alignment – or further damage to that already struggling tire!

Can I use an emergency/temporary sealant to fix my BMW's flat tire?

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?

For starters, your spare tire is designed to go short distances at low speeds. It’s not built to withstand the rough toll that the road can take from everyday driving! Putting off tire repair can also cause uneven tire wear in the long run – which could lead to a potentially costly toll on your steering and suspension system.

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

In most cases, your nearby Firestone Complete Auto Care can handle your BMW 840i xDrive tire repair. Ultimately, the severity of the damage will determine if your tires can be repaired.

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

Possible reasons for your 840i xDrive tires continuously losing air include a leaking valve steam, wheel damage, and a puncture or hole in the rubber.

Do I have to replace all four BMW 840i xDrive tires at the same time?

While it may not always be necessary to replace all four tires on your 840i xDrive, 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 Flat Tire Repair Service

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BMW 840i xDrive Tire Repair

City populations are exploding. New roads are being built, and old ones are getting a face lift. There's construction around every corner! That means more tire-damaging road debris and flat tires. If your 2025 BMW 840i xDrive is in need of a tire inspection or possible flat tire repair, Firestone Complete Auto Care has your back. There’s a chance your tire could be plugged and patched (rather than replaced). Our technicians can inspect your tire and let you know if it is safe to repair. 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 we determine that your 2025 BMW 840i xDrive tire can be safely repaired, we’ll get to work on the steps to fix it: (1) Take the tire off the wheel for easy inspection, (2) fill in the area that’s been punctured to prevent damage from moisture, and (3) secure and seal the inner tire liner to ensure the tire is airtight.

BMW 840i xDrive Tire Replacement

Unfortunately, some 2025 BMW 840i xDrive tire damage can’t be effectively repaired. Even if your tire damage is minor, if your tires have less than 2/32nd inch of tread remaining, a repair isn’t possible (or safe). At this tread depth, the tire is worn out and must be replaced. Some tire issues are easy and straightforward to repair, but other kinds of tire damage can’t be properly repaired. Tire damage that can’t be repaired effectively include a tire puncture with a diameter bigger than ¼ inch; a tire with a puncture or damage outside the tread area; multiple punctures that are too close together (less than 16 inches between them); and a tire with tread separation or significant cuts.

When your damaged tire can’t be repaired, consult BMW’s recommendations for replacing one, two, or all four of your tires. Manufacturers of AWD vehicles, for example, often recommend replacing all four tires at once because AWD systems need uniform tires to operate properly. But, if you’ve recently replaced your tires and they don’t have significant wear, a new set might not be needed. You might be able to replace one tire as long as it's the same brand, type, and size as the other three. Your tire technician can help you decide how many tires to replace and the kind of tire to purchase.

BMW 840i xDrive Tire Inspection

A flat tire? That’s pretty hard to ignore. But other tire damage? It’s not always obvious! Bent tire rims, bulging tire sidewalls, leaks under your car, or noise from your exhaust system can all point to tire-related damage that should be addressed quickly. Stay ahead of potentially dangerous tire issues. Bring your 2025 BMW 840i xDrive in for a tire inspection.

BMW 840i xDrive Tire Repair Questions

How soon should I have my flat tire repaired? A flat tire that’s not addressed can take a terrible toll on the rest of your car. Until you have it repaired or replaced, drive your 840i xDrive as little as possible to reduce your risk of damage to the wheels and alignment – or further damage to that already struggling tire!
Can I use an emergency/temporary sealant to fix my BMW's flat tire? 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? For starters, your spare tire is designed to go short distances at low speeds. It’s not built to withstand the rough toll that the road can take from everyday driving! Putting off tire repair can also cause uneven tire wear in the long run – which could lead to a potentially costly toll on your steering and suspension system.
Where can I get my BMW 840i xDrive tires repaired? In most cases, your nearby Firestone Complete Auto Care can handle your BMW 840i xDrive tire repair. Ultimately, the severity of the damage will determine if your tires can be repaired.
What can cause 840i xDrive tires to keep losing air? Possible reasons for your 840i xDrive tires continuously losing air include a leaking valve steam, wheel damage, and a puncture or hole in the rubber.
Do I have to replace all four BMW 840i xDrive tires at the same time? While it may not always be necessary to replace all four tires on your 840i xDrive, 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 Repair

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