derekgates
Posts: 40
Joined: Sun May 12, 2019 5:10 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Sun Sep 22, 2019 8:46 am

BlueBMWi3s wrote:
Mon Sep 16, 2019 12:52 pm
Mounted the 215/45-20 and 195/50-20 Bridgestone Potenza S001 tires on the stock 2019 431 i3s wheels. No fitment issues.

The S001 tires are each about 2 pounds heavier than the Ecopia EP500 tires. The EP500 are, of course, narrower. Also, it seems the EP500s have more flexible (thinner?) sidewalls.

First impressions: Very pleased with the extra grip! Out-accelerated an unsuspecting Porsche Carrera S from a red light, and then had to make a turn onto an onramp. I'm pretty sure I would have understeered with the EP500s.... no issues with the S001s! :D
Hey thanks for replying! That sounds like a fun setup. I am constantly shocked by the level of grip on the i3 and having more grip would be even better, haha.

Where did you source the tires? I found the 215/45-20 but having trouble finding the 195.


I am curious how the tires will hold up for you, especially making Porsches weep at every light. :P

BlueBMWi3s
Posts: 11
Joined: Fri Aug 02, 2019 3:16 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Mon Sep 23, 2019 11:14 am

Regarding 195 S001, please search on ebay:
s001 195/50-20

Read the description carefully, as some items are listed as 2015 production, while others are listed as 2017 production.

joni3s
Posts: 56
Joined: Wed Oct 02, 2019 11:16 am
Location: VA

Re: Potenza S001 tires instead of Ecopia EP500?

Wed Oct 02, 2019 11:25 am

BlueBMWi3s wrote:
Mon Sep 16, 2019 12:52 pm
Mounted the 215/45-20 and 195/50-20 Bridgestone Potenza S001 tires on the stock 2019 431 i3s wheels. No fitment issues.

The S001 tires are each about 2 pounds heavier than the Ecopia EP500 tires. The EP500 are, of course, narrower. Also, it seems the EP500s have more flexible (thinner?) sidewalls.

First impressions: Very pleased with the extra grip! Out-accelerated an unsuspecting Porsche Carrera S from a red light, and then had to make a turn onto an onramp. I'm pretty sure I would have understeered with the EP500s.... no issues with the S001s! :D
so now that you've had some time with the Potenzas, what type of hit have you seen on the range? thx
2018 I3s rex

BlueBMWi3s
Posts: 11
Joined: Fri Aug 02, 2019 3:16 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Wed Oct 02, 2019 12:32 pm

I am probably the worst person to ask about battery range effect! :lol: I have access to a free L2 charger near work, so I don't really pay too much attention, other than determining whether I can go two days or three days between charging. [I am devoting way too many brain cycles to figure out if I want to do Monday-Wednesday-Friday or Tuesday-Friday charging!]

I have not noticed any range degradation... But I probably already got only 110 miles with my 120Ah battery... Although after a full charge, my i3s still optimistically suggests I have a 130+ mile range.

[Bonus anecdote: Out-accelerated my neighbor's VW Golf GTI over the weekend....but of course, that was a given!]

joni3s
Posts: 56
Joined: Wed Oct 02, 2019 11:16 am
Location: VA

Re: Potenza S001 tires instead of Ecopia EP500?

Fri Oct 04, 2019 8:12 pm

BlueBMWi3s wrote:
Wed Oct 02, 2019 12:32 pm
I am probably the worst person to ask about battery range effect! :lol: I have access to a free L2 charger near work, so I don't really pay too much attention, other than determining whether I can go two days or three days between charging. [I am devoting way too many brain cycles to figure out if I want to do Monday-Wednesday-Friday or Tuesday-Friday charging!]

I have not noticed any range degradation... But I probably already got only 110 miles with my 120Ah battery... Although after a full charge, my i3s still optimistically suggests I have a 130+ mile range.

[Bonus anecdote: Out-accelerated my neighbor's VW Golf GTI over the weekend....but of course, that was a given!]
nice. no spacers needed on the stock i3s setup?
2018 I3s rex

BlueBMWi3s
Posts: 11
Joined: Fri Aug 02, 2019 3:16 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Fri Oct 04, 2019 8:17 pm

No spacers with the stock 20" i3s wheels.

electronchaser
Posts: 79
Joined: Fri Nov 08, 2019 3:14 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Fri Nov 08, 2019 4:37 pm

BlueBMWi3s wrote:
Fri Oct 04, 2019 8:17 pm
No spacers with the stock 20" i3s wheels.
Thanks for bringing all this insight and test fitting everything and reporting back. I wanted to copy over this setup (but with 195s all around), ran into problems sourcing i3s wheels (ive got a plain i3) . So I figured why not order a set of rear 175's and at least throw them onto the front wheels and get 40mm more contact patch. Granted they're going to be the ecopia tires, not the s0001s but i think it might buy me a few mph faster turn ins and more high speed stability (even if i lose a few miles of range). How is the comfort and road noise aspect of the new setup?
Am I trashing it?, absolutely, but with love, like every other BMW I've owned.
Rondel stands for something, and I fully utilize all the non neutered abilities its got.
Takeaway. This is an amazing piece of engineering. And I'm not impressed with 'stuff'

TNi3s
Posts: 1
Joined: Sun Nov 10, 2019 12:26 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Sun Nov 10, 2019 12:29 pm

Hi BlueBMWi3s, thanks for sharing your experience with the new tires. Can you give any feedback about the ride, is it softer or more harsh than the stock tires? I also have an i3s and I'm thinking in changing the tires to the Potenza.... :D

BlueBMWi3s
Posts: 11
Joined: Fri Aug 02, 2019 3:16 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Sun Nov 10, 2019 12:52 pm

I have been on the S001 tires so long, I can't remember what the stock Ecopia tires felt like. Maybe that means no meaningful difference in ride quality. Definitely less understeer with the S001s, which could be due to a combination of wider and stickier rubber up front. Maybe less tramlining on grooved highways with the wider tires.

I like the look better with wider rubber too. Less of a motorcycle tire appearance.

I can understand if some are bothered by the bulge effect of having these tires on the stock narrow wheels. It probably affects handling when aggressively carving corners....

For that reason, as well as attempting to lose unsprung wheel/tire weight, I am considering placing the 444 i8 wheels on the i3s. These wheels are 20x7 front, 20x7.5 rear, so 1.5 inches wider both front and rear. Interestingly, the S001 tires are the stock summer tires on these i8 wheels! So wider lighter wheels with the same size tires.

electronchaser
Posts: 79
Joined: Fri Nov 08, 2019 3:14 pm

Re: Potenza S001 tires instead of Ecopia EP500?

Sun Nov 10, 2019 5:42 pm

BlueBMWi3s wrote:
Sun Nov 10, 2019 12:52 pm
I have been on the S001 tires so long, I can't remember what the stock Ecopia tires felt like. Maybe that means no meaningful difference in ride quality. Definitely less understeer with the S001s, which could be due to a combination of wider and stickier rubber up front. Maybe less tramlining on grooved highways with the wider tires.

I like the look better with wider rubber too. Less of a motorcycle tire appearance.

I can understand if some are bothered by the bulge effect of having these tires on the stock narrow wheels. It probably affects handling when aggressively carving corners....

For that reason, as well as attempting to lose unsprung wheel/tire weight, I am considering placing the 444 i8 wheels on the i3s. These wheels are 20x7 front, 20x7.5 rear, so 1.5 inches wider both front and rear. Interestingly, the S001 tires are the stock summer tires on these i8 wheels! So wider lighter wheels with the same size tires.
Interesting, I was also looking at doing an i8 wheel swap as well, but wanted to use only the 7inch wide wheels front and back for a square setup. Ended up looking at too much money, I'll just upgrade fronts to 175s until i can find a set of used i3s rims, or aftermarket wheels that wouldn't break the bank.

off subject, but anyone know if the car would encounter handling issues if I were to put the summer ecopia 175 upfront and leave the all season ones on the back?
Am I trashing it?, absolutely, but with love, like every other BMW I've owned.
Rondel stands for something, and I fully utilize all the non neutered abilities its got.
Takeaway. This is an amazing piece of engineering. And I'm not impressed with 'stuff'

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