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20" Model X Slipstream Wheels on Model S

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I have the option to by a MX slipstream rim set in 20 inch, but 9J front ET35 and 10j back ET35, presume this would be too wide for the Model S? If possible what tires would I go for? 245/40 front and 285/35 back?

Tires are 245/40 and 285/35 Michelin Pilot Super Sport.

That's the size the OP installed and is happy with.
 
And the OP from the other relevant thread:

I paired them with falken azenis fk510 245/40/20 front and 285/35/20 back. overall, i'm very happy with the look and the performance! the staggered wheels feels very stable and since my Model is RWD(S75), i do believe it makes a good difference. Enjoy the pictures and let me know if you have any questions.
 
I wanted a factory look, sticky rubber, and the freedom to drive without the fear of imminent pothole related wheel damage. The 20" Model X Slipstreams fit perfectly and only a Tesla aficionado would ever know they aren't a stock fitment.

Wheels are 20x9 ET 35MM and 20x9.5 ET 40MM. Tires are 245/40 and 285/35 Michelin Pilot Super Sport. No rubbing (except the fronts in reverse at certain angles, like the OEM 21s), no issues.

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How has the wear been on the rear tires? Inner side wearing out faster like the 21's?
 
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Just finished mine, 20" wheels off an x running 245/40/20 front and 275/35/20 rear runs and drives just as good or even better than the 19" no rubbing

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I have this setup as well and it works incredibly well. Not only do the 20s fill up the wheel openings better than the 19s, they also sit more flush with the side of the car and provide a more aggressive stance. The car simply looks more taught and crisp. I notice this every year when I take the winter 19s off and put the summer 20s on (as I did just a couple of weeks ago). Even my wife, who never notices these things, comments on how great they look. Mounted tires are Michelin Pilot Sport 4s (275s on the rear; 245s up front) and have absolutely no rubbing (I have the air suspension). Hope this helps.
 
You mentioned the MX TPMS worked on your MS. What year is your Model S? I have a 2013 and no luck with the MX TPMS.
Thanks
They switched to a newer TPMS system in both X and S at some point. I can't remember the year, but my old S was a 2013, and I needed something done at Tesla to make it work with the newer TPMS setup they currently use. I'm not sure what changed inside the tire, but after the "upgrade" I went from just getting general "low pressure warning" with no indication of what tire had low pressure, to a 4 tire readout, so I could see each tires pressure individually.

/edit I think X always used the newer system.
 
You mentioned the MX TPMS worked on your MS. What year is your Model S? I have a 2013 and no luck with the MX TPMS.
Thanks
Correct. Your 2013 and my 2014 were the original Baolong sensors and receiver. To use the MX sensors (Continental) in your 2013, you would need to have an upgrade to the rest of your car to a Continental receiver AND have the car's software updated by a Service Center to recognize the new gear. You then get the individual tire pressure readings as an option in the driver's instrument cluster. Otherwise, you could put your 2013 sensors into the MX wheels and not do the upgrade. Or, possibly get new sensors (Baolong compatible) that *CLONE* the unique ID of each sensor you have per wheel and put them in the same location left/right front/rear.

All that said, there are other threads going on about v10 of the software no longer having a TPMS reset button. :/

Tire Pressure System Retrofit | TeslaTap

TPMS Upgrade
 
Can someone explain why they don’t use the same aspect ratio on the rear wheel as the front? I would assume 245/40 and 275/40 would be natural as my the model x tires originally are 255/45 and 275/45. Why do you then use 35 on the rear?
 
I just purchased a set of 20" slipstream wheels/tries for $300. Tread is around 7/32. The guy I bought them from received a free set of wheel/tires for all the referrals he got. He just wanted them gone. I called the tire place up and the guy said 245/40 would work on all of them. Would I need to have the rears wider due to the 0.5" difference in rim size (9 vs 9.5) or would 245/40 work on all of them? Thanks.
 
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I presume the back rims are 9,5 or 10J wide, if you put that on a 245 wheel, the tyre would not sit well and the rim would 'poke' out to the side. I would double check that for sure...

I went with the same setup as arvinbabaian.. The guy at the tire shop didn't realize the rear were 9.5... I'm going with 245/40r20 front and 275/35r20 rear. They should be in between Wednesday and the following Monday.. Yay.
 
Hey,

I am thinking about buying a set of 265/45 r20 tires with wheels and selling my 245/45 r19 wheels.

Can you please tell me:
1) Will the 265/45 r20 ones fit our Model S?
2) Will the 265/45 r20 ones be stiffer than the 245/45 r19 ones? I suspect that the the 265/45 r20 will be softer because they are wider and are the same height. No?

Thank you!
 
245/40/20; 275/40/20 (~1% speedometer discrepancy) Continental DWS 06...
If everything goes as planned, they will be FS tomorrow, as I'm trading in my car.
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