What Happens When a RunFlat Goes Flat? F30 BMW and a Big Nail
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- Опубликовано: 6 сен 2024
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Ever wonder what it's like to drive on a flat runflat? Watch this video to find out!
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Thanks for taking one for the team
I was looking for a more technical explanation, but experimental data is good, too. Thank you for donating your tire to science.
YOU CALL THAT A SMALL NAIL?!?!?!?!?
its called sarcasm..
😅😅😅
😂😂😂😂😂😂
Lol bloodclaat
Running a run-flat tyre without air for any distance damages the tyre (this is why there is a 50 mile limit), so he would have had to replace it anyway, even if he had just let the air out of the valve. Besides which, actually puncturing the tyre is a more realistic test as the tyre is not just flat but physically compromised as well. Nice job and very interesting. Thanks for sharing.
haha you're crazy for sticking a big ass nail in your tire man! I really enjoy the content of your videos. Keep it up bro.
+zach lopez Ha, thanks for watching. I'm glad you like the videos.. let me know if you have any ideas for some future ones!
Forget about gymshark man, BMW all the way for now on!
This is why I've stuck with runflats on my 3 series despite the harsher ride. I had a flat in the front left and was able to continue and get home safely before getting the front tyres replaced a couple of days later.
My flat tire’s tire pressure is zero. Something happened after I parked and it’s zero psi now. I’m curious can I still drive my car up to 10-20 miles? To tire shop
This is the same circumstance we're in. Hit something in the road and made it home, but psi is now reading 0 and I'm wondering if it's safe to drive to the tire shop.@@sgcatr
I have f30 and I have run flat. I live in New Mexico where even gas stations are 100 miles apart. I ran on a flat tire (about 13 psi) for 120 miles at 65 mph and made it to the shop. It was a rear-right tire, but still impressive.
That's great!
Nice!
Thank you, I drive my BMW to the South of France, so it's good to know about the runflat real range
Got a flat in San Antonio
Rode out on a run flat until I got home. (215miles). I was extremely surprised
Thx for the video! I was seriously thinking of getting reg. tires instead of my R.F on my X5d thats why I searched for pro/cons of rf. Being a single mom with a 2 & 4 yr old and a small dog. I'm now convinced my R.F are more convenient, safer with peace of mind in my situation vs. a smoother ride with less shock. I rather spend the extra cash instead of trying to change a tire with 2 scared kiddos and a barking dog. Again thanks
get a tripple aaa it is i think 30 dolars for the whole year ..this run flat tires cost a fortune anyway once you have a whole or a screw on it eventhough you are able to drive for some miles when you end up at the dealer or shop you have to purchase a new tire another 300 dollars for every single nail on your tire . with a regular tire it is like 30 dollars to refair a flat tire and if you are a member of costco or sams club they do it for free , you do the math ..
Still single!
Thanks for doing this test.
Good job on showing us how the flat tires work.
I'd hate to see what you call a big nail if that's a small one
cutaway to a picture of a street light poking through a rim
Recently went 70 miles down I20 at 70mph on a Continental run flat with a gashed sidewalk to get home. No problems at all. Run flats are a must for me.
mine shredded going 10mph and I only drove 5 miles :/ I don't even understand what happened... also Continentals on a Mercedes E300
So funny you didn't just let the air out!! I've got a '13 5 series . The RF was really great when I wasn't expecting a flat. The indicator does come on as soon as it loses the required amount of air. The only issue I have with BMW is that it doesn't show the amount of pressure on each tire on the monitor, it only highlights which tire is low. I took mine to a repair shop and they patched it. Luckily it wasn't in the sidewall...They said that most people say you shouldn't but the tire shop said you can but you should only let a professional do it. Mine has been running with a patch for over 20,000 miles now. Thanks for the videos!!
Hi, thanks for your comment. I believe if you have Nav that it displays the pressure (which I think they all should), but it may require coding. I believe you can even see each tire's temperature, but again, it may need coding. That's great you were able to patch it! My personal feeling is that they don't want you patching it, because they don't know how far you drove on it flat, which would weaken the sidewalls. Try at your own risk, but if it was me and I just got the flat.. I'd try to fix it as you did, as long as it wasn't in the sidewall. Thanks again
Had one one of these tires explode last summer while going around 120 km/h. Most likely a nail/screw puncture after which the object erupted outward. No noticeable loss of control in perfect summer conditions even though all pressure was lost immediately.
Dropped speed to 80 km/h and drove to closest gas station. At closer inspection there was a proper hole with the diameter of a pencil. Tire off and fixed it with one of those sticky plugs and gave it some air. All perfect and got back home. The plug held perfectly until I got the tire properly fixed.
The tire will heat up like a mofo!
Thanks for doing this. I didn't know what a flat on the run flats would look like. Was wondering if I would be able to tell the difference between low tire and flat tire. Thanks to you, I got it!
About a week ago I had a flat on my f30 rear left tire I drove about 130 miles at speeds of 60 made it home and still drive to the tire shop and tire still had some life to go lol
It's good idea to keep tire fixing kit and small air com pressure pump in the trunks . In case it happens on highway
Hot Man do they come with a kit
If you build a wall around the tire, you will prevent foreign nails from entering your tire's borders.
#maketiresgreatagain.
+kellyvtec Ha, good one.
kellyvtec HAHAHAHAHA
Thanks for this video, my wife x4 SUV has runflats, and been thinking of going normal tire with tire inflator kit, but afer watching this video i might stick to run flat for the convenience, and the technology of runflat has come a long way as well
1. Run-flat tyres should only be mounted to rims that are designed to take them.
2. run flat tyres are un repairable.
3.most run flat damage is only visble on the inside of the tyre.
4. run flat tyres are a lot heavier than normal tyres
5. run flat tyres give a harder ride and do not absorb most bumps.
6. runflat tyres are a lot more money than standard tyres.
they are also an ass to fit to the rim.
And that is why I have changed them to regular. The selection of tire is much bigger, no supply issues...just need a little tuning to the suspension and you are done with these silly run flat.
Tires*
Yes you can repair a runflat i have done it twice at big o tires.
@@CartubeCoIl What about the spare? My car came with no spare and no space to fit it.
Check out other USA sites, they are repairable !!
Drove 300+ miles to LA on a flat rear-right without even knowing I was at about 9psi... these tires are something else.
I twice had flats on my run flats on my 2008 Corvette…one rear one front…Goodyear high performance summer tires. I drove only a few miles to a tire shop on surface streets each time. Both were repaired. Even though I never drove over 45 MPH both times my car was squirrelly as hell…I’m switching to All season run flats soon.
now when i'm being chased from cops and they get out the spike strips, i can make it far enough to get away!
lol nice
Hopefully your PS4 pad doesn’t run out of battery 😅
It all depends on where the hole is in the tire. If the hole is on the side of the tire wall (not underneath) those expensive run flats are useless + some tire shops may not have run flat replacements.
I was always curious about this as well. thanks for the video. Should have more views. I'm sure a lot of people have wondered the same thing.
+Jacob (jake4435) Thanks for your note, I appreciate it. Thanks for watching!
Thanks for the heads up Brian. My new car has run flats, I feel happier now that I’ve seen your video.
Great video - thanks for the sacrifice! Good to know they work as advertised!
Great info I just got a flat tire. Now I feel comfortable driving for 2 miles back home.
Great video! Thanks for the demo Brian!
+Juntao Thanks for watching!
I got a nail in the side of my run flat tire in 2014. I got it plugged and the plug lasted until February 2020. I’m currently driving 2 miles to work everyday and I’m planning to finally replace the tire within the next few weeks.
the best video ever on run flat all my doubts got cleared, you deserve a medal ;)
Thank you for this video extremely helpful
I had run flats and got two major flat. Each cost me 1,000 dollars plus. I hit a pot hole and blew the run flat side wall. Since I was on mass turnpike a regular tow couldn’t tow me so the state did and from mass to ct cost me 700 dollars!! Happened twice! Potholes blows out the side wall!
khanhrusso1 dude ditch the run flats I am, all 4 of my run flats are shot to shit. Go DWS 06
Helpful video. I purchased my first vehicle with run flat tires, a 2017 BMW 35i sDrive.
It may be worth noting other run-flat tires may not match the flat-tire performance of this particular tire. I had a much worse experience with another brand of Run-flats that came on my 2018 BMW. It was worthless with no air. I had a small (actually small) screw in the RF tire overnight near the middle of the tread. Tire pressure notice came on when I headed out in the morning, but I thought it was from a recent temperature drop. I only went 2 blocks before deciding something was terribly wrong. The wheel was bouncing as if it were bent and the steering was no better than the steering with a flat conventional tire. Retuned home and filled the tire with air. Since I left the screw in, I made it to a shop before the pressure dropped very far. The "bouncing" was from the Tire Pressure Monitor being crushed every time the wheel rotated to the filler stem position. It was destroyed. The good news is that I did not drive very far in the flat condition and the tire was able to be plugged. Overall, it performed almost identically to a conventional flat tire (not drivable for any distance) except that it did protect the rim. I found your video by searching for what brand of run flat actually works and there is a good chance I'll buy the ones you tested. It's very hard to find other similar testing.
I am driving a 2012 BMW 500 series, 39k miles on it. While driving the other day, I heard something pop, got an alert on my dashboard that the air on the rear right tire is low. I drove for another 5 miles to Belle Tire, unfortunately they are unable to help me!! I found a tow truck driver who helped me take my car to the BMW dealership. That is when I knew I had a run on flat tire, one of the reasons why a spare tire is not provided. Good to know I have it!!
Why not just let the air out ?
You are smart
@@sukmamwarni6148 Because a metal stake is more metal.
Every year I have a flat on my 2013 X1 , after 5 or 10 miles running on the runflat at maybe 15psi, I was able to drive safe home and fix the tire with a regular tire plug kit at 10$ (you can fix 5 flat at that cost). The tires were replaced after 6 years and 45000 miles on them. So you can clearly have runflat and fix a flat as long as you dont drive to long on them and that the puncture is not located of the sidewall of on the edge of the tire like any other regular tire
Im not for sure if I will buy the run flat tires. I just bought a 2005 645 Ci and the car does not come with a spare or even so much as a compartment for the spare -no room for even a donut. I also understand that if you try and use a can of fix-a-flat, it will ruin the tire pressure sensors. So I have to make a choice; buy the ROF's which are heavier, less performance cornering, do not last as long as a radials, harder riding, and more costly. Or, buy all regular tires, buy a small donut spare, and take up what little space I have in my trunk. Right now I am afraid to take a long road trip. So I appreciate anyone's recommendation! BMW made a bad decision not to provide a spare. Nice video BTW....
I have an M5, woke up a couple months back about 30 miles from home. I tried to drive about 3 miles to see how it was doing, and it was shredding the tire and very hot. Wondering if the tire was a bit on the worn side, but I thought I remembered it still having some good tread left. Makes me nervous. The low tire indicator did come on immediately as well.
Hi Thanks for your video I understand that RF is the perfect tyre to enjoy the pleasure of driving.
There are some trade-offs:
- significantly heavier (slightly worse acceleration and mpg)
- more expensive
- significantly rougher ride quality .
One these x7 on some Michelin primacy all seasons ridea unbelievably well. Buy a donut and or a tire repair kit.
Thank you for the demo ! Love to see one of your BIG!!!!!!!!!!!!!Nails
Andy.
Wow unbelievable I never seen before thank you for the video
I got a flat tire in the middle of nowhere 60 miles away from the closest town no signal no service unable to call or get help and just to find out there was no jack, no spare or any flat tired kits in my new X3 2022 a Good Samaritan took me to his house and called a towing truck. I wish I knew this before spending $400 on a towing truck 😂
Good video. I don't think BMW did their homework on how far the distances are in the western half of the United States or I guess they figure you'll buy the X5 and have room to stow a fullsize wheel and tire, I don't know. Regardless, you need to be able to self-rescue in a lot of places in the US because the tire shops won't have the Continental run flats that match the car, or they will want to sell you 2 or 4 tires, etc. The muffler on the F30 is huge and takes up what would have been the rest of the area for the spare to fit. The BMW cars with electrics like the 330e take up all that space, which is why the engineers had to ditch the spare so bad (and cost savings). Granted, I have gotten maybe a half dozen flats in 27 years of driving, but I still like having a spare tire. It's old-fashioned to be self-sufficient.
That's literally the tiniest nail I've ever seen in my life
I think you should have a spare tire just incase. You would be able to get off the highway safely with a runflat to change out/repair the tire, but it's by no means a replacement for a spare tire. Also if you have a tire repair kit you can just do that as well.
Great demostration, thanks
lol my run flat completely shredded after about 5 miles, (I lived 21 miles away) I thought I killed my suspension, and roadside kept telling me to drive on it even though it was throwing my car around like crazy, I'm glad I pulled off the road when I did :/
Brian, this was one of the best video demos I've seen on RUclips. Great work! Just curious, did the tpms indicator come on to warn you of a flat tire? Would be good to know... Thx
+Ken Or Thanks, Ken! I actually just got those wheels (and tires) a few months ago and they didn't come with tpms. If I had them in, I'm sure that they would have come on, because although the tire is still drivable, it's still as no air pressure in it.
I've since (two days ago) put my tpms in, but hopefully I don't get an unplanned flat!
i had these on my f30 sadly a nail got stuck in there and cracked the rim ended up geting the tyre changed and finding out the rim was cracked so that needed repairing too
The explanation for why use and why buy a run flat tire is those tires are the best
You don’t need a spare tire or any car jack you get a Neil in the tire you can continue driving on the road until you get to your favorite tire shop and get it fix it or replace it simple as that
Obviously this technology cost more that’s is normal
I like your back seat passenger.
You should also have got a low pressure warning on the dash. and without a spare they may have a foam kit and an air compressor in the trunk, if that matters. Since the inside tire wall is being stressed you'll likely need a new tire anyway. let us know.
nice test, thanks for taking one for the team lol
My run flats cost $300 a piece. Pirelli p zero 255/30 r19
Also I’ve seen smaller railroad spikes😂
Mr Hill wow300? Where can I get a deal like that.
Was really wondering about this. I am already on my second set of run flats, and was curious if they would really do what they're supposed to do :)
My tire pressure was zero when I start the car. Can I still drive 10-20 miles until a tire repairer ? The tire was okay while driving, but something happened after I parked, and next day it was 0 psi. Thanks in advance!!!
run flats are expensive as hell. I was looking for my car (that can with run flats from factory) run flat tires are well over $300 a tire
Yea they are crazy
Around £200 in the UK !
My BMW Runflat is awesome.
really a good demonstration thank you
Normal bmw have a sensor to let you know and comes on the dashboard mine does it is quite handy
I just bought a 2015 awd sienna that come srandard on those vans-rft. Brigstone-guard.2019. ill let u know how they ride,so far so good.
"I'm gonna put a small nail and..."
stabs it with a spartan spear...
First, Good video gratz BUT, runflats are not that great they are like regulars can be fixed with right equipment yet if you keep driving with them beside the outer important part you wear the inner selant of the tyre.Means less lifespan of a wheel and irregular wear.I am not saying its not useful but its more expensive lot more harder to maintain and carrying a sapre wont kill you in my opinion :)
So did you buy new tires after the nail… or you had someone patch on it or repair it?
soon as you said small nail we scrolled down!
Nice video, was debating to change from run flats to regular tyres. Think I will stick with run flats after watching your video, can you do a video using a "large nail?".... 🏅🏅. Haha .. keep up the great videos.
NICE NAIL!~good job bro~
Ive someone ignore the tpms light and when i demounted the tire it had disintegrated the sidewall casing. Theres was rubber shavings everywhere
The manufacturer says that these tires are for cars with tire pressure check. That's a pity, that you didn't show other not damaged tires for visual comparison, so we can look for a difference between them. I don't have a pressure check, but I really love the idea of run flat, but I am worried that I will miss the moment of that 50 miles. I make 150-200 miles at night, and please tell me, who checks his tires every single night?
I have a 2014 CTS with run flats...which is just what I did when the front right one went flat 5 miles from town. I only drove on it for about 8 miles total and the tire shop said "once you drive on them they have to be replaced because they get tore up on the interior edge". I have AWD, they have to replace ALL four. $1400.00 because I chose to drive on a run flat for a short distance. No good.
It's crazy expensive!
its great to know about runflat! thanks bro.
+baruter89 You got it, thanks for watching!
Interesting video. I’ve never had run flats before either. I like the string on your camera. Don’t trust the sucker eh?
On my 2014 X50i there was a pronounced pull to right immediately when I hit a pothole that blew out the sidewall near the bead where it was the weakest. Not a useful feature.
I have driven on these for a whole week a while back not knowing it was flat.
Was there any flat tyre indicator warning light on dash? How can I tell if my runflats on my F30 are flat?
thank you for the video!
I thought it reinflates. Guess not. If you pump air in it , does it hold the air?
Very interesting. Thanks you!
So how do you know if you’re running a flat? Does your tire pressure monitor still recognize it?
😂😂😂😂😂😂 small nail lmfao I started the vid laughing .. subbed!
:)
Just bought a Mercedes. Has run flat tires. Bought the Mercedes tire/rim warranty for 6 years. Anytime the tire gets flat, nail it ect, they will put a new one on. You cannot patch or repair run flats. So....we decided to get the warranty
GoPro Goalie Uzi that’s not true. They suggest not to patch run flats but yes you can patch a run flat. Trust me, I’ve had mine patched a few times. Honestly, they just tell you that you can’t patch those types of tires for one reason and one reason only.... moneyyy 💴 💰
Run Flats are more heavy then normal tiers , lower grip , bad grip on wet , annoying comfort and in time they are worse and worse!!!
Performance cars like M5 don't use run flats ... Why!?
Great Video !!!
My M4 came with Michelin Pilot Sport run flats and they perform very well.
My M5 F10 has Michelin Pilot Sport run flats, and they are excellent.
"Going to put a small nail in my tire"...
proceeds to apply Apollo 13 to tire...
These tires suck if you live in a country where pot-holes and speed-breakers are common and they cost more as well. Also how come after you deflated the tire there was no warning from the iDrive system for air pressure loss?
doesnt pull as much? bmw are rear drive.... its your 4x4 or something very cool video
Just don't get a flat in the middle of nowhere on a Sunday! I'm running the oem pirelli P7 run flats and they're awesome. The ride is definitely rougher than normal though and it does concern me that if you do get a flat you're basically up for a new tyre. Here in Australia a P7 run flat is $360!!
Wow! I had a bubble in one of mine and to match the tread wear on the other tires, I got a used one for $120
+Kies Motorsports We are very expensive here it sucks! lol I don't think I'd get a used one, although if it was in mint condition why not I suppose.
I run Pirelli P7's on my Honda, bought'em used for $60 each but they were in near new condition (~85% tread).
Great price!
I just saw this video....just taking it for team I will subscribe.
one thing I am wondering is, is the bmw not come up with any alarm or signal?
Damn this a major throwback, long hair and everything
how would one know that there tire is flat if they dont have pressure sensors??
the flat tire light will pop up at your dash
Doesn’t you TPM telling you there is no air in the tire?
Great video - thanks
I don't understand what's going on but the run flats get very hot when ridden on with no air. I wonder why he failed to mention it because I have ran on them before for only five miles and they get hot.
Okay I understand that I have a BMW And I don't have a spare tire too but I have my rim split in half I had tow it cuz there's no spare tire 😑😑😑😑
You should try a big nail.
😂
My Space like a sword 🗡 nail 😁
cool experiment man
Thanks!
Thanks mate
Great video