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BMW 5-Series (G30) Forum 2017+ BMW 5 Series (G30) General Discussions BMW phasing our run flat tyres?

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      05-28-2020, 02:22 PM   #1
Beemerguy530
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BMW seems to be phasing out runflat tyres apart from the 20" tyres on the LCI G30.

I've noticed less runflats on the pre-LCI G30 in recent months and it's not continued on the LCI at least in the UK.

I had a friend order new 1 Series back in January for March delivery and realised all 1 series did not have runflats but mobility kits instead.

Are BMW moving away from runflats entirely?
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      05-28-2020, 05:31 PM   #2
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Hopefully! I changed to non run flats and the car is transformed! Maybe they've finally realised run flats are rubbish!
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      05-28-2020, 06:08 PM   #3
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      05-28-2020, 06:53 PM   #4
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Are the mobility kits any better? I haven’t used one, but doesn’t the sealant mean you’ll need a new tire for any issues?
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      05-28-2020, 07:55 PM   #5
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Quote:
Originally Posted by LogicalApex View Post
Are the mobility kits any better? I haven't used one, but doesn't the sealant mean you'll need a new tire for any issues?
Sealants can typically be washed out and tire repaired properly. However many tire shops despise dealing with the cleanup so they sell a replacement tire.
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      05-29-2020, 08:19 AM   #6
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Also...if you need to use the sealant...that means the tire isn't holding air long enough to drive it to be repaired (unless you're out in the middle of no-where)...so the damage is probably extensive and the tire may not be repairable and may need to be replaced.

I say that because if the new mobility kits are anything like the one I have...you don't have to use the sealant...you can just re-inflate the tire if it is low. Using the sealant is an option you can select if the tire won't hold air.

I have the system that has the built-in (and replaceable) sealant canister. You can select to either inflate the tire with air...or pump sealant and air into the tire.
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      05-29-2020, 08:39 AM   #7
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I hear what you are saying, but if you haven't tried the Michelin PS3ZP run flats, you might not have all the data. They are the best run flats I have ever had, bar none. Smooth, quiet, and grippy. They, indeed, "transformed" my car, which originally came with Goodyear F1 Asymmetrics. (BTW, I still have pump and Dynaplug kit)
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      05-29-2020, 09:58 AM   #8
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Quote:
Originally Posted by hlothery View Post
I hear what you are saying, but if you haven't tried the Michelin PS3ZP run flats, you might not have all the data. They are the best run flats I have ever had, bar none. Smooth, quiet, and grippy. They, indeed, "transformed" my car, which originally came with Goodyear F1 Asymmetrics. (BTW, I still have pump and Dynaplug kit)
This!
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      05-29-2020, 01:16 PM   #9
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I couldn't resist and asked the question online with a BMW Genius.

So it appears BMW are phasing out the use of Runflat tyres and the reason is to reduce weight and therefore to reduce CO2 emissions. Simple as that.

Standard mobility kit seems the norm going forward. So looking online in the UK if you want runflat tyres on the new LCI G30 you'll have to opt for 20" wheel on the MSport model.
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      05-29-2020, 01:24 PM   #10
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Quote:
Originally Posted by Beemerguy530 View Post
I couldn't resist and asked the question online with a BMW Genius.

So it appears BMW are phasing out the use of Runflat tyres and the reason is to reduce weight and therefore to reduce CO2 emissions. Simple as that.

Standard mobility kit seems the norm going forward. So looking online in the UK if you want runflat tyres on the new LCI G30 you'll have to opt for 20" wheel on the MSport model.
That's interesting. I thought the whole point of Run Flat tires was to reduce weight as you lose the spare tire or donut.
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      05-29-2020, 01:37 PM   #11
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Quote:
Originally Posted by LogicalApex View Post
Quote:
Originally Posted by Beemerguy530 View Post
I couldn't resist and asked the question online with a BMW Genius.

So it appears BMW are phasing out the use of Runflat tyres and the reason is to reduce weight and therefore to reduce CO2 emissions. Simple as that.

Standard mobility kit seems the norm going forward. So looking online in the UK if you want runflat tyres on the new LCI G30 you'll have to opt for 20" wheel on the MSport model.
That's interesting. I thought the whole point of Run Flat tires was to reduce weight as you lose the spare tire or donut.
I guess that was true when they first introduced runflats save the weight of a spare tyre and safety but now times have changed and the environmental considerations and CO2 have further increased more weight reduction. A mobility kit weighs a lot less than 4 runflat tyres as the tyres are heavier than normal non runflats.
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      05-29-2020, 01:53 PM   #12
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Quote:
Originally Posted by Beemerguy530 View Post
. A mobility kit weighs a lot less than 4 runflat tyres as the tyres are heavier than normal non runflats.
Either that, or the BMW CEO has a second cousin who is heavily investing in roadside assistance/towing companies. Seriously, though, I know there are horror stories out there. But my wife's E350 has 130,000 miles, and the inflatable spare has never seen the light of day. We once drove it from San Antonio to Pinehurst, NC on a tire with a nail, slowly loosing air. Had to pump it up each morning. It was no problem, so we drove back to San Antonio, and the next day I got it fixed. By the same token, I popped the sidewall of two of my Goodyear F1 Assymmetric run flats on minor potholes before I replaced them. I guess it's all a crap shoot. I do like the Michelin PS3ZPs, however.
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      05-30-2020, 09:15 AM   #13
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Agree about the dynamics of RFT, but as stated before in this thread, they are better now.

I twice have had punctures whilst on the motorway in the last five years and they were a godsend. As we now have a lot 'smart motorways' here in the UK - i.e. no hard shoulder/ escape road - then for me this change is worrying...
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      05-30-2020, 11:11 AM   #14
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      06-06-2020, 09:21 AM   #15
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Finally those f*cking things are going away!
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      06-06-2020, 03:35 PM   #16
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Highly unlikely they are going away. There are too many benefits. And they have come along way. I have taken them off many cars, including my current car. But if it was my wife's car there is no way I would put non runflats on hers. And she would not complain.
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      06-11-2020, 12:51 PM   #17
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Have a set of these on my 540 and cannot wait until the thread goes down on them so I can replace with tubeless tyres. Run over the the metal stud for my house gates recently, one of them a write off. Checked my front right the other day and a chunk of tyre the size of my thumb missing from side wall near the wheel rim......the potholes in my country are horrendous.
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      06-11-2020, 02:22 PM   #18
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Quote:
Originally Posted by 540 View Post
Have a set of these on my 540 and cannot wait until the thread goes down on them so I can replace with tubeless tyres. Run over the the metal stud for my house gates recently, one of them a write off. Checked my front right the other day and a chunk of tyre the size of my thumb missing from side wall near the wheel rim......the potholes in my country are horrendous.
Aren't all tires tubeless? I don't think we've had tube tires in the US in over 50 years.

So far, my Run Flats are holding up very well to the Third World Country roads we have in the NE US. I can't say the same for my MB OE Conti's on my '14 C300 where pretty much every pothole resulted in a new tire due to either a bubble or blowout... They weren't Run Flat either...
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      06-15-2020, 08:33 AM   #19
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Quote:
Originally Posted by hlothery View Post
I hear what you are saying, but if you haven't tried the Michelin PS3ZP run flats, you might not have all the data. They are the best run flats I have ever had, bar none. Smooth, quiet, and grippy. They, indeed, "transformed" my car, which originally came with Goodyear F1 Asymmetrics. (BTW, I still have pump and Dynaplug kit)
Getting these out on tomorrow (about 20,000 miles on my Goodyear Eagle F1s and got a screw in one the other day). Hope they’re as good as I’ve read.
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      06-17-2020, 09:53 AM   #20
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Quote:
Originally Posted by jjscsix View Post
Highly unlikely they are going away. There are too many benefits. And they have come along way. I have taken them off many cars, including my current car. But if it was my wife's car there is no way I would put non runflats on hers. And she would not complain.
Quote:
Originally Posted by BWTX540i View Post
Getting these out on tomorrow (about 20,000 miles on my Goodyear Eagle F1s and got a screw in one the other day). Hope they’re as good as I’ve read.
looking forward to your report on them. Discount Tire?
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      06-17-2020, 10:37 AM   #21
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I have mixed views about them but having had 2 punctures (in my previous F10) , I can see the benefit even they are don't handle as well as non RFT.

RFT do sound great but they are only supposed to be used for 50 miles which is fine if you can get home / work within that mileage but if you are miles from anywhere ,it then starts to be an issue.
however form personal experience (and I'll admit ignorance) I know they last a lot more than 50 miles (<cough> 400 ) although I may have simply been lucky.

I think if I had a puncture at speed I'd prefer RFT to be honest these days.
These CO2 restrictions could have significances for people having to try and sort their tyre out on the roadside if you don't have a spare. Say you have a puncture in a not so nice location..

How much CO2/km is this really saving? I guess manufacturers are having to chase every single gram of CO2 per KM .
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