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[txusa03]

how many e90 owner would get rid of their runflat once they are worn out?

I will replace it with another RFT when my run out simply cuz I am not into swapping out rim.

[tl_boy]

i have 19's i'm going to be mounting fairly soon. so yeah, i'll be getting rid of RFT's with only 3k on them. But then again, i had the basic 16"s so its not as much issue as if i had style 162's like you do.

[bmwexecutive]

Putting on Michelin Pilot Sport PS2s tomorrow.

[ward]

I'm definetly getting rid of them

I was thinking about how nice it will be for them to be gone while rounding an off ramp with them howling the whole time

RFT are crap

[ase2dais]

Originally Posted by bmwexecutive

Putting on Michelin Pilot Sport PS2s tomorrow.

best thing Ive heard in a long time

[bmwexecutive]

Originally Posted by ase2dais

best thing Ive heard in a long time

My 330i is now officially running on Michelin PS2s!

[Carnage]

I couldn't wait to get those damn things off my car. They were gone by 7,000 miles.

[bmwexecutive]

Originally Posted by matsarge

I couldn't wait to get those damn things off my car. They were gone by 7,000 miles.

Hah. Actually, I initially missed not seeing them on my car because of how clean they were and how dirty my new PS2s were. Now, the PS2s are much cleaner but still not as clean as my Potenza RE050As (couldn't get all of the damn tire grease they use to install the tire out of the creaveses). Next time I get a car wash I'm sure that wil change though. Only problem is I got a car wash yesterday. Have to wait another 6 days.

[zamboni]

How is the ride on PS2 vs Potenza RFT ? Thx

[bmwexecutive]

Originally Posted by zamboni

How is the ride on PS2 vs Potenza RFT ? Thx

Night and day. I totally noticed how much smoother they are over the Potenza RFTs. Feels like going from a car with no suspension to the comfort of a Lexus. The place I feel it the most is when I'm going over speed bumps. Night and day. Simply night and day.

And I've got a ContiComfortKit in the trunk in the "secret compartment" so I don't have to worry about flats. The only real disadvantage I have over the RFTs is that if I get a blowout at high speed, I'm going to have one hell of a problem. Other than that, nothing but gains.

[wheeler]

Good riddance to heavy weight, harsh ride, and mediocre cornering. But I replaced mine with Toyos & they are actually a little noisier than the Bridgestones were. Might be because I went +2 in size. Anyway, I can always turn up the stereo.

[06330i]

ill keep mine but im deff getting a diff brand the stones that are on here right now suck nd i pissed at bmw b/c my right front tire is bulging out in a small area and they want me to pay 385 to get one tire wtf

[zamboni]

I'm going to wait until Michelin releasing PS2 RFT and don't want to deal with spare.

[bmwexecutive]

Originally Posted by zamboni

I'm going to wait until Michelin releasing PS2 RFT and don't want to deal with spare.

Screw the spare. Just get a ContiComfortKit. That's what I did.

[difush]

I am incline to get rid of the RFT but what has been stopping me is the fact that I would be running around with no spare. I used to have those flat tire repair kit in the car but what happened to my previous car once is that something ripped a 2 inch plus crack on my 1 month old P6000 which the flat tire kit cannot fix. Good thing I still have my spare back then.

I am not sure if I am running the same risk with the RTF. If the RTF gets a large rip rather than a small punture, can I still drive on the RTF ?

[bmwexecutive]

Originally Posted by difush

I am incline to get rid of the RFT but what has been stopping me is the fact that I would be running around with no spare. I used to have those flat tire repair kit in the car but what happened to my previous car once is that something ripped a 2 inch plus crack on my 1 month old P6000 which the flat tire kit cannot fix. Good thing I still have my spare back then.

I am not sure if I am running the same risk with the RTF. If the RTF gets a large rip rather than a small punture, can I still drive on the RTF ?

That's why you have BMW Roadside Assistance. Anything small a ContiComfortKit can fix, otherwise BMW Roadside Assistance to the rescue. Personally, I'm not the lease bit worried without a spare in the car. I've got all the protection I need as far as I'm concerned.

To answer your question about a large rip in a RFT; yes you could still run on it so long as the rip wasn't in the sidewall. But if it's like a foot in size, I'm going to say no. Heh.

[N1]

TIRE TECH
Self-Supporting

Self-supporting tires feature a stiffer internal construction, which is capable of temporarily carrying the weight of the vehicle, even after the tire has lost all air pressure. To provide "self-supporting" capability, these tires typically attach rubber inserts next to or between layers of heat-resistant cord in their sidewalls to help prevent breaking the reinforcing cords in the event of loss of air pressure. They also feature specialized beads that allow the tire to firmly grip current Original Equipment and aftermarket wheels even in the event of air loss. Because self-supporting tires are so good at masking the traditional loss-of-air symptoms that accompany a flat tire, they require a tire pressure monitoring system to alert the driver that they have lost air pressure. Without such a system, the driver may not notice underinflation and may inadvertently cause additional tire damage by failing to inflate or repair the tire at the first opportunity. Typically, self-supporting tires maintain vehicle mobility for 50 miles at speeds up to 55 mph.

Examples: Bridgestone RFT (Run Flat Tire), Dunlop DSST (Dunlop Self-Supporting Technology), Firestone RFT (Run Flat Tire), Goodyear EMT (Extended Mobility Technology), Kumho XRP, Michelin ZP (Zero Pressure), Pirelli RFT (Run Flat Technology) and Yokohama Run Flat

EVEN WITH THE LOSS OF ALL AIR PRESSURE ????

Zero Pressure™
Michelin Zero Pressure™ The tire that can survive without air.
Run flat tires for ultra high-performance vehicles have been around for years. But the real engineering feat was to develop a tire with run flat capability that fit on sedans and coupes. Always up for a challenge, Michelin developed the Zero Pressure™ tire. This unique system is designed to fit on cars like Mercedes, BMW, and Honda Accord. Even with a hole the size of a golf ball, the Zero Pressure™ tire will allow you to drive up to 50 miles at 55 mph. Never get stuck on the side of the road again.


Even the best car in the world can be a little better.
It's a fact. Any tire can be punctured. But if it happens when you're driving on the revolutionary new Michelin® Zero Pressure™ radials, you can keep on driving up to 50 miles at 55 mph. And the Low Tire Pressure Monitoring System alerts you to the problem before it's too late. You and your family stay in the security of your car, not by the side of the road waiting for help.


Backed for your satisfaction.
With Michelin Zero Pressure™ tires, Michelin not only enables you to drive to get service after air loss — we also let you drive away satisfied after getting that service, thanks to our exclusive "ZP Assurance Plan." If your tire becomes unserviceable during the first two years of service or before 50% of the tread is worn whichever comes first, Michelin will replace the tire FREE OF CHARGE. You'll find full details and conditions of the "ZP Assurance Plan" in your Michelin Zero Pressure™ tire owner's manual and limited warranty.


Features and benefits of Zero Pressure™ tires:

* Special crown modifications provide positive handling and vehicle control even during zero-pressure driving.
* Sidewall reinforcement of low hysteresis rubber provides self-supporting strength at zero-pressure, helps combat sidewall damage, and maintains cool temperatures to allow longer zero-pressure driving.
* Special bead design helps tires stay securely seated on conventional rims even at zero-pressure
* Tire pressure monitoring system informs driver of pressure loss to promote proper pressure maintenance and timely tire repair. System installation and use is mandatory; Michelin has approved several systems to give you a choice.

[DerekS]

Originally Posted by txusa03

how many e90 owner would get rid of their runflat once they are worn out?

I will replace it with another RFT when my run out simply cuz I am not into swapping out rim.

Wow, approximately 56% of E90/91 owners who have responded to this pole say that they will/or already have dumped their run flat tires. This is a pretty serious condemnation of the RUN FLAT TIRE system that has been forced upon us by BMW.

[AxelLopezzzz]

I got rid of them quickly. Too hard on the suspension and the pocket $$$

[ADHD]

Get rid of them asap!!!! They suck!