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      04-04-2018, 05:08 PM   #111
Dackelone
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Quote:
Originally Posted by Cavpilot2k View Post
Yes, I am looking at the PS4S.
I can still get PSS (for now, anyway), so I was just wondering if I should get them while I can or move on to the PS4S (or any other one, but further investigation has borne out that there really is no other substitute in the Michelin line).
IF you can get the PSS still... and IF they are much cheaper than the PS4S... then I would go with the PSS tires.

As long as they(PSS) tires aren't too old! (check the four digit build date, on the tire sidewall. Build week and year. ie: 1418 = 14th week of 2018). Normally when I buy tires here in Germany... they are only a week or two old. Most tire dealers over here get their tires drop shipped from the tire manufactures/distributors.

Otherwise go with the PS4S. They are supposed to be better in every performance category over the PSS.

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      11-15-2018, 04:48 AM   #112
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I am currently running 225's/255's Michelin PS4(not the 4S) and have always wondered IF I was missing out on something. I recently saw this YT clip and I can confirm that the PS4 are really great tires for the street.



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      11-15-2018, 07:43 AM   #113
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Interesting. I don't see them in those sizes - at least not on 18's. 215/40 and 245/40 only on 3 different sites - including Michelin. Other than that, they sound great for a convertible which will never make it onto a track.
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      11-15-2018, 05:03 PM   #114
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Quote:
Originally Posted by tjswarbrick View Post
Interesting. I don't see them in those sizes - at least not on 18's. 215/40 and 245/40 only on 3 different sites - including Michelin. Other than that, they sound great for a convertible which will never make it onto a track.
Hardly no one makes 215's anymore. All of us have upgraded to 225's for the fronts and stayed with 245's in the rear or gone to 255's. The 255's fit on the stock wheel and have only minor rubbing on "some" cars for a short time.

Also... most of us have ditched the RFT run flat tires bc the sidewall is extremely hard and makes for rough driving. Get normal Michelin tires with a "XL" rated side wall for added stiffness. This will help with the loss of turn in response you sacrifice with going from RFTs to regular tires. That is the only downside. Regular performance tires will make the car ride SOOO MUCH smoother and nicer.


MICHELIN

PILOT SUPER SPORT
Max Performance Summer
Size: 225/40ZR18 (87Y) XL
https://www.tirerack.com/tires/TireS...35&diameter=18

You might also look for Michelin PILOT SPORT A/S 3+ (all seasons) in the 225 size too.


MICHELIN
PILOT SUPER SPORT

Max Performance Summer
Size: 255/35ZR18 (94Y) XL

https://www.tirerack.com/tires/TireS...35&diameter=18


Or search for all season Michelins.. 225 and 245s.

BEST SELLER
Michelin Pilot Sport A/S 3+ (W- or Y-Speed Rated)

245/35ZR18 92Y XL


Don't buy Michelin PS2's. They are an older tire and are not that great for all conditions, especially rain. Go with PSS or PS4 or A/S 3+(all seasons).

Dack
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      11-15-2018, 06:36 PM   #115
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Quote:
Originally Posted by Dackelone View Post
Hardly no one makes 215's anymore. All of us have upgraded to 225's for the fronts and stayed with 245's in the rear or gone to 255's. The 255's fit on the stock wheel and have only minor rubbing on "some" cars for a short time.

Also... most of us have ditched the RFT run flat tires bc the sidewall is extremely hard and makes for rough driving. Get normal Michelin tires with a "XL" rated side wall for added stiffness. This will help with the loss of turn in response you sacrifice with going from RFTs to regular tires. That is the only downside. Regular performance tires will make the car ride SOOO MUCH smoother and nicer.


MICHELIN

PILOT SUPER SPORT
Max Performance Summer
Size: 225/35ZR18 (87Y) XL
https://www.tirerack.com/tires/TireS...35&diameter=18

You might also look for Michelin PILOT SPORT A/S 3+ (all seasons) in the 225 size too.


MICHELIN
PILOT SUPER SPORT

Max Performance Summer
Size: 255/35ZR18 (94Y) XL

https://www.tirerack.com/tires/TireS...35&diameter=18


Or search for all season Michelins.. 225 and 245s.

BEST SELLER
Michelin Pilot Sport A/S 3+ (W- or Y-Speed Rated)

245/35ZR18 92Y XL


Don't buy Michelin PS2's. They are an older tire and are not that great for all conditions, especially rain. Go with PSS or PS4 or A/S 3+(all seasons).

Dack
Thanks Dack.
I run 225/40 and 255/35 PSS myself. And they are great.
With the Swift springs, when driving passengers on beat-up roads, they can feel a little harsh. Though worlds better than the week I spent on the new springs and shocks with old run-flats! Getting a tire which "rounds off the bumps a bit" at the next replacement interval would be easier/cheaper than getting new, taller, softer springs (or even having the stock M-Sport springs reinstalled.)

As for the fitment comment above, I was referring to the new PS4 ("Not PS4S"), whose virtues you extol in the prior post.
Not sure if they have different availability in Germany than out here in the states.
Actually, I was able to find reference to a 225/40, in addition to the 215/40, for those PS4. But no 255 rears, and the only 245's on 18's have a 40 aspect ratio.

As for myself, with no suitable PS4 for the staggered setup, I'll most likely try the PS4s next year when I burn through my second (current) set of MPSS.
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Last edited by tjswarbrick; 11-15-2018 at 06:44 PM..
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      01-07-2020, 08:24 PM   #116
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My 135i (w/Msport suspension/Msport wheels) has the same size tires (Michelin AS3+) as my E90 330i w/sport pkg Michelin PS4S).

IMO, these size tires look perfect on the 1er, and I have not encountered any clearance or performance issues.

My guess is most E8x with stock or mild suspension setup would have no problem with the majority of street tires available in E90 OEM sport sizes.

The main challenge for E8x chassis would come from:
1. Most track tire widths (increased width despite having the advertised OEM width)
*and/or*
2. aggressive suspension setup
*and/or*
3. aggressive wheel sizes/offsets

At that point, all cards are off the table
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      01-10-2020, 02:12 PM   #117
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Quote:
Originally Posted by lab_rat View Post
My 135i (w/Msport suspension/Msport wheels) has the same size tires (Michelin AS3+) as my E90 330i w/sport pkg Michelin PS4S).

IMO, these size tires look perfect on the 1er, and I have not encountered any clearance or performance issues.

My guess is most E8x with stock or mild suspension setup would have no problem with the majority of street tires available in E90 OEM sport sizes.

The main challenge for E8x chassis would come from:
1. Most track tire widths (increased width despite having the advertised OEM width)
*and/or*
2. aggressive suspension setup
*and/or*
3. aggressive wheel sizes/offsets

At that point, all cards are off the table

What size tires did you run on your e90 ?

225/35ZR18 and 255/35ZR18 ???
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      01-11-2020, 12:56 AM   #118
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Quote:
Originally Posted by Dackelone View Post
Quote:
Originally Posted by lab_rat View Post
My 135i (w/Msport suspension/Msport wheels) has the same size tires (Michelin AS3+) as my E90 330i w/sport pkg Michelin PS4S).

IMO, these size tires look perfect on the 1er, and I have not encountered any clearance or performance issues.

My guess is most E8x with stock or mild suspension setup would have no problem with the majority of street tires available in E90 OEM sport sizes.

The main challenge for E8x chassis would come from:
1. Most track tire widths (increased width despite having the advertised OEM width)
*and/or*
2. aggressive suspension setup
*and/or*
3. aggressive wheel sizes/offsets

At that point, all cards are off the table

What size tires did you run on your e90 ?

225/35ZR18 and 255/35ZR18 ???
OEM size
225/40R18 front
255/35R18 rear

I believe the difference of front-to-rear tire circumference as you mentioned (225/35 and 255/35) might be too far out of OEM spec?

Nothing is impossible though

I did read your post on the full-size spare tire and wheel...thanks for sharing that info. Perfectly sized for the E8x.
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      01-11-2020, 06:13 PM   #119
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Quote:
Originally Posted by lab_rat View Post
OEM size
225/40R18 front
255/35R18 rear

I believe the difference of front-to-rear tire circumference as you mentioned (225/35 and 255/35) might be too far out of OEM spec?

Nothing is impossible though

I did read your post on the full-size spare tire and wheel...thanks for sharing that info. Perfectly sized for the E8x.
Looks like you are correct. I mixed up my tire sizes. Oops!
Thanks for pointing out my error.


The correct tire sizes are just like you posted.

225/40R18 front
255/35R18 rear

I had to dig up an old tire invoice to double check. Its to cold outside to go into my garage!


My tire invoice from two years ago for my Michelin PS4 tires...
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