[BMWKLG]

I have RoF tires. They came with my M550i and only have gone through one set since 2020 (I drove 30K miles my first year). I love them. They are more expensive but I can afford the tires and the car 🤷🏾*♀️. I'm not concerned about weight of the tires, I'm more concerned with having to stop somewhere (like the side of the road) to repair a tire. I much prefer the 15 or so miles I have to get to a shop or the dealership to replace the tire if I have RoF tires on my vehicle.

This very thing happened to me after driving through a construction zone and two large nails penatrated the tire. The dealership was 9 miles away and I drove there with no issues and minimal tire pressure loss.

However, keep doing your research to determine which tire works for you.

[Joe-BMW33]

Originally Posted by BMWKLG

I have RoF tires. They came with my M550i and only have gone through one set since 2020 (I drove 30K miles my first year). I love them. They are more expensive but I can afford the tires and the car ����*♀️. I'm not concerned about weight of the tires, I'm more concerned with having to stop somewhere (like the side of the road) to repair a tire. I much prefer the 15 or so miles I have to get to a shop or the dealership to replace the tire if I have RoF tires on my vehicle.

This very thing happened to me after driving through a construction zone and two large nails penatrated the tire. The dealership was 9 miles away and I drove there with no issues and minimal tire pressure loss.

However, keep doing your research to determine which tire works for you.

I don't think anyone is weighing cost into the decision, we can all afford an M550 or G30 here, obviously. I'd argue my 20" Max Performance Summer PSS Michelin's non runflats cost more than All Season Runflats.

You left out ride quality, so I assume you're willing to accept the hard ride of tonka truck like tires to be able to drive on them to the dealer in the event of a flat.

This is the way I look at flats - 1) I ain't changing no tire even though I have a factory spare. Flatbed to the dealer, that is what roadside assistance it for and even if I didn't have it, I can afford to pay for it. 2) I had 9 flats in two years on my F10 runflats. Half of them were not drivable, so I was calling a flatbed anyway. Same thing.

Sarcasm aside, if you have a chance and can pull it off, I urge you to put summer non runflat sticky softies on. You are in TX, right? You will never look back.

[BMWKLG]

Originally Posted by Joe-BMW33

I don't think anyone is weighing cost into the decision, we can all afford an M550 or G30 here, obviously. I'd argue my 20" Max Performance Summer PSS Michelin's non runflats cost more than All Season Runflats.

You left out ride quality, so I assume you're willing to accept the hard ride of tonka truck like tires to be able to drive on them to the dealer in the event of a flat.

This is the way I look at flats - 1) I ain't changing no tire even though I have a factory spare. Flatbed to the dealer, that is what roadside assistance it for and even if I didn't have it, I can afford to pay for it. 2) I had 9 flats in two years on my F10 runflats. Half of them were not drivable, so I was calling a flatbed anyway. Same thing.

Sarcasm aside, if you have a chance and can pull it off, I urge you to put summer non runflat sticky softies on. You are in TX, right? You will never look back.

People do weigh in cost of tires--not all but people do and sometimes regardless of the ride.

My ride quality on RoF is not an issue which is why I didn't mention it. I had an M550i on Turo I rented with summer tires and they were okay (note, we all have different ears to hear road noise and different @$$e$ to feel vibration 🤷🏾*♀️). I find my ride to be smooth and sticky (or maybe it's because I have DHP). Regardless, I've never felt a marginal difference to make the switch.

I'm not waiting on a flatbed if it isn't essential--my time is precious so I'll drive myself in my ride to the dealership. And yes, I'm in Houston, TX.

I still encourage the OP to continue doing research to determine what works for them.

[Joe-BMW33]

Originally Posted by BMWKLG

People do weigh in cost of tires—not all but people do and sometimes regardless of the ride.

My ride quality on RoF is not an issue which is why I didn't mention it. I had an M550i on Turo I rented with summer tires and they were okay (note, we all have different ears to hear road noise and different @$$e$ to feel vibration 🤷🏾*♀️). I find my ride to be smooth and sticky (or maybe it's because I have DHP). Regardless, I've never felt a marginal difference to make the switch.

I'm not waiting on a flatbed if it isn't essential—my time is precious so I'll drive myself in my ride to the dealership. And yes, I'm in Houston, TX.

I still encourage the OP to continue doing research to determine what works for them.

My time is precious too. Flatbed to the dealer for a new tire is quicker than driving home, going in the next morning and sitting on my ass waiting.

I get it, you like runflats. No need to make ostentatious remarks about money and time. We all pretty much have the money here for these cars and we value our time, some of us have mutliple BMWs and other cars.

[Daniels1117]

Originally Posted by BUNCHAMASSEYSGOBMW

Anyone ever had any issues with the run flats? Do you prefer them or have you changed yours out? Thinking of switching mine out

Short answer: If you value performance or comfort at all ditch them immediately. If being able to drive 50 miles on a flat tire is important to you for whatever reason than keep them.

[Benjamin_Nicholas]

I just came here to say that runflats on a performance car is a sin.

You cripple an M550i or M5 by doing such things.

Why not just buy a base 5 instead and then put lead weights on it.

[Warp Ten]

Originally Posted by Benjamin_Nicholas

I just came here to say that runflats on a performance car is a sin.

You cripple an M550i or M5 by doing such things.

Why not just buy a base 5 instead and then put lead weights on it.

For the record, my 2016 Corvette Z06 came from the factory with Michelin High Performance run flats. The track oriented Z07 option on the car came with Michelin Pilot Sport Cup 2 runflat tires which are meant for racing and only last about 3,500 miles on the street. Last year I replaced my summer-only runflats with all-season Michelin Pilot Sport runflats. My Z06 has 650 HP/650 torque and per GM does 0-60 under 3 seconds and has a top speed around 185-190 mph. The newer C8 Corvettes all come with runflats including the Z06 and soon to come E-Ray, and spy photos of the eventually to be released 850 HP ZR-1 show it has Michelin run flats. These rather high performance cars do not seem to be hampered by run flats. Just my $.02 --Bob

[Honolulu]

I would guess that weight difference is inconsequential.
BMW isn't concerned about anything that doesn't affect their sales numbers.
Chassis engineering can make a good tire better, or worse; customer preference can too, as well as customer perception.

I've not had a car tire go flat in longer than I can remember, but my K1300GT motorcycle has a slow leak in the rear tire, and d*mmit I have to fill it every other morning. Fortunately I have a compressor, air chuck and TPMS, but at $200 per tire I almost wish the bike had RF tires.

[Alscoob]

The only cars we have had that came with run flat tyres were BMW's (E89 Z4 2xF31's & now G31). On all but G31 changed to non run flat and they have always given a far better ride and not been plagued by punctures.

Finding the 20" RFT on the G31 Ok but very skippy on damp rough corners and noisey, so looking to mover those on soon for non RFT. However, as of Monday my car was in with BMW for an end of warranty inspection (another story altogether ) and was given a 530e G30 for the day, which turned into 2 days.

That car was on 19" wheels with PZero RFT and standard M sport springs F&R.
Have to say that it was a completely different car to drive. Ride was more compliant and controlled, tyres were very quiet by comparison and it was very chuckable and extremely grippy along the twisty roads. If my 540 was like that I would seriously be considering keeping the standard RF tyres, it really was that good (assisted by msport springs in all 4 corners).

Having got back in the 540 and driven back home I realised just how crap the adaptive X-drive suspension mixed with RFT's really is. AC Schnitzer suspension now booked in for 2.11.23

So really as said elsewhere it's not a question of RFT or Non RFT there are many other factors to consider before making that decision and any compromises that need to be factored in.

[Chappers 71]

Will most likely drop by my local tyre place sometime over the next few days & have a chat about what new boots to put on the G31

[Alscoob]

Originally Posted by Chappers 71

Will most likely drop by my local tyre place sometime over the next few days & have a chat about what new boots to put on the G31

Be interesting to hear what you go for?

[Chappers 71]

Originally Posted by Alscoob

Be interesting to hear what you go for?

I still like the convenience of putting run flats on it, what with ‘smart’ motorways & the general faff of having to stop & sort a puncture (if I’m unlucky enough to get one) with go flats.
If I put rf’s on it I will go with PS4S Zero Pressure’s, even in run flat they’ve gotta still be a great tyre…surely? Had them on the 35i in go flat & they were very good indeed & lasted well. I still miss the old 35i, can’t get the tail out with the G31

I also fancy the Good Year asy 6 in go flat but from previous asy 3 the wear rate was poor.
Found the thread about the PS5’s & will give them a miss I think

[Alscoob]

Originally Posted by Chappers 71

I still miss the old 35i, can’t get the tail out with the G31

You're not trying hard enough especially with your additional power....

I never thought I would say this but do agree with the puncture issues and ability to still drive somewhere with one, I'm sure the Michelin's will be good.

First set of RFT I ever had were Bridgestones they never seemed to wear out and you are spot on with the Goodyear RFT mine were 7mm when I got the car, having checked fronts are on 6mm but rears are now 5mm and thats after 4K miles. so thats looking like 10 to 12K miles for a pair of rears. Seems high wear, my F31 340i with G/Y ass 6 was looking at towards 20k miles a pair and they were 'used' a lot more than in the G31

I'm going to see what mines like with the ACS kit on then decide whether RFT or go flat would be the best option when I need to change.

[Chappers 71]

Originally Posted by Alscoob

You're not trying hard enough especially with your additional power....

I never thought I would say this but do agree with the puncture issues and ability to still drive somewhere with one, I'm sure the Michelin's will be good.

First set of RFT I ever had were Bridgestones they never seemed to wear out and you are spot on with the Goodyear RFT mine were 7mm when I got the car, having checked fronts are on 6mm but rears are now 5mm and thats after 4K miles. so thats looking like 10 to 12K miles for a pair of rears. Seems high wear, my F31 340i with G/Y ass 6 was looking at towards 20k miles a pair and they were 'used' a lot more than in the G31

I'm going to see what mines like with the ACS kit on then decide whether RFT or go flat would be the best option when I need to change.

Am looking forward to seeing & hearing what yours is like with the ACS kit & hopefully doing the same with mine & then I’ll make a call on that ACS front splitter

[Chappers 71]

Just been up to see my ‘tyre guy’ & have ordered in a set of PS4S Zero Pressure (runflats) bmw star marked, just a little over a £1,000 for all four fitted.
G31’s booked in for next Friday @ 3pm, that’ll give me a whole weekend to ‘bed them in’

Will post up my thoughts on them after a few miles

[Neusser]

Originally Posted by Chappers 71

Just been up to see my ‘tyre guy’ & have ordered in a set of PS4S Zero Pressure (runflats) bmw star marked, just a little over a £1,000 for all four fitted.
G31’s booked in for next Friday @ 3pm, that’ll give me a whole weekend to ‘bed them in’

Will post up my thoughts on them after a few miles

Would be interested to hear how they perform at different pressures. Check the Mich. website and compare with BMW recommendations.

About two weeks ago, I saw that Goodyear (for example) recommends 2.0 bar F/R for my 540 Touring. BMW recommends 2.4 for a half load, and I have never been happy with the overall feel at that pressure. 2.0 dramatically changes the car for the better, IMO.

[eliphil]

Originally Posted by Warp Ten

For the record, my 2016 Corvette Z06 came from the factory with Michelin High Performance run flats. The track oriented Z07 option on the car came with Michelin Pilot Sport Cup 2 runflat tires which are meant for racing and only last about 3,500 miles on the street. Last year I replaced my summer-only runflats with all-season Michelin Pilot Sport runflats. My Z06 has 650 HP/650 torque and per GM does 0-60 under 3 seconds and has a top speed around 185-190 mph. The newer C8 Corvettes all come with runflats including the Z06 and soon to come E-Ray, and spy photos of the eventually to be released 850 HP ZR-1 show it has Michelin run flats. These rather high performance cars do not seem to be hampered by run flats. Just my $.02 --Bob

I’m on run flats on my 2019z06. I only have 9000 miles and have not changed anything yet. I have no complaints

[eliphil]

I’m sure the non run flats are better I really trust Joes coomentary on it but there is a safety factor I need to consider. I assume most flats on run flats allow you to drive 50 miles. If I get a flat in a tough place I don’t want to sit on the side of the road waiting for aaa. I have a bad back and can’t change a tire so the spare is not going to help me. If I do go non run flats I am buying a spare for my trunk so at least aaa can get me going. If your away on a weekend night and u get a flat then what