I was told it was a new tire made for the Model S. You can buy them. They are around $350 a piece.
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Drove a brand new loaner!!! (I didn't like driver assist)
- Thread starter Alysashley79
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- Driving Dynamics Model S
I was told it was a new tire made for the Model S. You can buy them. They are around $350 a piece.
bollar
Disgruntled Member
It's a ContiExtremeContact and it's only 21" for now. The noise reduction is impressive.
EarlyAdopter
Active Member
I hope this is something Tesla came up with and will share with other tire manufacturers. I'm looking at you, Michelin, and the PS2's on my upcoming P85D.
Are you talking about the Conti Extreme Contact DW? Haven't they been around for some time, but I don't recall them have the foam insert, is that a recent change?
bollar
Disgruntled Member
I will need to go look at the tire when I'm home again next week. It's definitely not the DW. Here's what was on my invoice:
TIRE - P245/35R21 - CSC5 (1030074-00-B)
EarlyAdopter
Active Member
bollar
Disgruntled Member
Could well be, but TireRack's description doesn't talk about the foam insert either. I wonder if it's the same tire, or if Tesla has a special SKU.
green1
Active Member
I was told that it was something the Continental came up with for Tesla. BMW has them as well. When I took it to Les Schwab to repair it they couldn't because they knew nothing about it so I called the service center and they emailed me the instructions for repair. Which I have linked below. America's Discount Tire fixed it for me.
http://www.continental-tires.com/www/download/tires_de_en/themes/car-tires/repair_instructions.pdf
http://www.continental-tires.com/www/download/tires_de_en/themes/car-tires/repair_instructions.pdf
bollar
Disgruntled Member
Continental does a poor job describing the tire, but I found this blog post that suggests Continental adds the foam after manufacture: ContiSilent is the innovative quiet tyre from Continental Tyres
I know this is a dumb question, but what is the name on the sidewall? Is it the same extremecontact but updated with the foam insert? An article from a year ago: http://www.tirebusiness.com/article/20130808/NEWS/130809919/conti-offers-noise-damping-tires
artsci
Sponsor
The news about the foam liners on the inside of the Conti tires is very interesting. There's no reason this can't be done to other tires. Accordingly I'm starting a search for the right foam to use for sound dampening tires that I already have. I have a few good leads and as soon as I talk to the manufacturers I'll post what I find. This should be a very easy DYI task, as the foam is just glued on to the inside of the tire. This will be the final step in sound dampening my Model S as after all of the other work tire noise is even more noticeable.
green1
Active Member
The glue might be important too, I'm trying to imagine what glue would keep it there with the normal deformation that tires go through and the number of times in their life they go through it...
I really like the speed assist and lane departure, I had both on my BMW before. The only issue is that speed assist is very buggy for me. I will be on a 55mph Freeway and it tells me I am over (I set +14 relative). I have a suspicion the front camera reads the truck signs or something. I know the camera must read the speed signs at the office campus because it isn't listed . Without speed assist I would have speeding tickets, this thing is a must for me.
artsci
Sponsor
The same type of glue that Conti uses, which I'm guessing is some kind of contact cement or high-tack material. I'm talking tommorrow to the manufacturer of what I think is the right sound deadening foam and I'll ask them about the glue.
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