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-   -   BMW’s Run-Flat Tire Philosophy: ‘We Don’t Want to Mess With Something That’s Working’ (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/104409-bmw-s-run-flat-tire-philosophy-we-don-t-want-mess-something-s-working.html)

BGM 08-16-2016 03:34 PM

BMW’s Run-Flat Tire Philosophy: ‘We Don’t Want to Mess With Something That’s Working’
 
BMW’s Run-Flat Tire Philosophy: ‘We Don’t Want to Mess With Something That’s Working’ - Retail - Modern Tire Dealer

ard 08-16-2016 03:55 PM

God, that is a disturbing read...

smassey321 08-16-2016 04:12 PM

When I looked a few months ago, Tire Rack had 19" Michelin RFT for the same price as normal tires. I have no love for RFT tires and switched to normal ones. My only regret is the mushy on center feel on the highway.

ard 08-16-2016 06:21 PM

Quote:

Originally Posted by smassey321 (Post 1085386)
When I looked a few months ago, Tire Rack had 19" Michelin RFT for the same price as normal tires. I have no love for RFT tires and switched to normal ones. My only regret is the mushy on center feel on the highway.

This in the lats? What pressure you running? have you tried playing with that at all? Alignment good?

smassey321 08-17-2016 07:52 AM

1 Attachment(s)
Quote:

Originally Posted by ard (Post 1085398)
This in the lats? What pressure you running? have you tried playing with that at all? Alignment good?

Yes Latitude Tour HPs. I have tried 35psi up to 45. Alignment was done at dealer 2 months ago. The feel gets better with higher pressure but then I get a loud drone on concrete pavement at highway speed.

I also got rid of the RFT on my E90 and I went to PS2s. On center feel got soft on the E90 also. Ultimately grip went up but it felt like things were leaning more than with the RFTs.

davidmaria1 08-17-2016 08:17 AM

Most of BMW's goal is to keep the customer dependent on the service department. The good people on this forum are a minority as far as their personal involvement in their cars.

ard 08-17-2016 04:24 PM

Quote:

Originally Posted by smassey321 (Post 1085429)
Yes Latitude Tour HPs. I have tried 35psi up to 45. Alignment was done at dealer 2 months ago. The feel gets better with higher pressure but then I get a loud drone on concrete pavement at highway speed. .


Too much toe in that alignment. You will get under 20k miles on a set of tires, my guess.

You want 0.02" toe in on each wheel, period. Dont listen to the dealer.

smassey321 08-17-2016 05:21 PM

Quote:

Originally Posted by ard (Post 1085447)
Too much toe in that alignment. You will get under 20k miles on a set of tires, my guess.

You want 0.02" toe in on each wheel, period. Dont listen to the dealer.

I already have 15k on the tires and while wear is not ideal, I should make it to 45k miles. Won't less toe give me even less road feel?

fast4d 08-17-2016 06:00 PM

no run flats on M cars.

I have a plug kit as well as the oem slime.

ard 08-18-2016 04:46 PM

Quote:

Originally Posted by smassey321 (Post 1085450)
I already have 15k on the tires and while wear is not ideal, I should make it to 45k miles. Won't less toe give me even less road feel?

Report back. I made a bold (too bold? ;) ) prediction.

Where in gods name did you get the idea that toe = road feel?

On a high performance suspension with low miles, all you need is a bit of toe to keep it centered. Tire model and inflation pressure drive 'road feel'.

Any toe in over 0.02 just 'scrubs' rubber off faster. IMO


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