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      12-20-2017, 07:35 PM   #1
Luca335
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Michelin Pilot Sport 4S

It is time for new tires, I am thinking with my OEM 19' rims no mod:

Michelin Pilot Sport 4S

front 255/35ZR19
rear 275/35ZR19

If anyone have this combo, please describe your experience with these tires on the 1M. Thanks.
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      12-21-2017, 12:06 AM   #2
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I wanted to fetch these but local dealer didnt have any in stock back in September/October.

I fitted Pirellis then as an alternative. So far so good.
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      12-21-2017, 12:45 AM   #3
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Quote:
Originally Posted by 1'M Blue View Post
I wanted to fetch these but local dealer didnt have any in stock back in September/October.

I fitted Pirellis then as an alternative. So far so good.
My 4C has the P Zero, so I just want to try something else on the 1M. Thank you for your input.
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      12-21-2017, 01:33 AM   #4
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not sure if you asking regarding size, grip, durability, noise(?) i've been running the PS4's in the stock sizes 245/265 on the stock 19's and they are nothing to really write home about. quiet and decent grip, no problems in the rain obviously, as a tire for everyday drivability (summer), dont think i could name a better tire, if you wanted real grip you would have to go lower treadwear
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      12-21-2017, 02:37 AM   #5
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Quote:
Originally Posted by digwm1 View Post
not sure if you asking regarding size, grip, durability, noise(?) i've been running the PS4's in the stock sizes 245/265 on the stock 19's and they are nothing to really write home about. quiet and decent grip, no problems in the rain obviously, as a tire for everyday drivability (summer), dont think i could name a better tire, if you wanted real grip you would have to go lower treadwear
Thanks for your input. Good to know it works well in rain as it rains quite a bit here in the Winter.
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      12-21-2017, 02:07 PM   #6
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Help needed here! The guy from tire shop told me 255/275 combo won't work for the 19" OEM 1M rims. He said the 255 275 tires would be "shorter and narrower". I don't really understand, I am going up one size from 245 265, how can that be narrower, and shorter (35 on both).
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      12-21-2017, 03:47 PM   #7
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I have the PS4S in 255/275 on the oem rims. I'm also on H&R springs with the revised front fender liners. Also running 10mm spacers all around.
I do notice that they offer much better grip than the PS2s, however up front the initial turn-in response isn't as crisp. I did read somewhere that this is a known characteristic for the PS4S. Not sure if this is made worse by going up to a 255 over the 245?
They do fit fine however. I have a little rubbing when reversing at full lock on the passenger side (likely due to the spacers).
FWIW we have 9" and 10" wheels which is the same as F80 wheels which have the same 255/275 tires, so rest assured they'll fit fine.
If you're at stock ride height and stock ET then you'll have no problems at all.
If I could do it again I might go with stock sizes or 245/275 to help keep that steering feel.
...just my opinion
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      12-21-2017, 04:03 PM   #8
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Quote:
Originally Posted by Luca335 View Post
Help needed here! The guy from tire shop told me 255/275 combo won't work for the 19" OEM 1M rims. He said the 255 275 tires would be "shorter and narrower". I don't really understand, I am going up one size from 245 265, how can that be narrower, and shorter (35 on both).
Sounds like you need to find a different tire shop. The guy there clearly doesn't know what he's talking about. The first number in a tire size ex:245/35R19 is the width in mm so you're right that they'll be wider. The second number is the aspect ratio of the sidewall height to the width, so on in the example above 245x0.35=86mm sidewall height. Upsizing you tire width without changing the aspect ratio means that the new tires should actually be slightly taller than your old tires.
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      12-21-2017, 05:08 PM   #9
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I have been running those sizes [255 and 275/35/19's] on OEM rims for years, but with different tires... Continental DWS's and now Michelin Pilot Sport A/S 3+... I do have the "revised" front liners. I have had no problems with the one size up set-up. They sure look good but not sure they help much otherwise [off the track].
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      12-21-2017, 05:35 PM   #10
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Quote:
Originally Posted by GimmeanM View Post
I have the PS4S in 255/275 on the oem rims. I'm also on H&R springs with the revised front fender liners. Also running 10mm spacers all around.
I do notice that they offer much better grip than the PS2s, however up front the initial turn-in response isn't as crisp. I did read somewhere that this is a known characteristic for the PS4S. Not sure if this is made worse by going up to a 255 over the 245?
They do fit fine however. I have a little rubbing when reversing at full lock on the passenger side (likely due to the spacers).
FWIW we have 9" and 10" wheels which is the same as F80 wheels which have the same 255/275 tires, so rest assured they'll fit fine.
If you're at stock ride height and stock ET then you'll have no problems at all.
If I could do it again I might go with stock sizes or 245/275 to help keep that steering feel.
...just my opinion
My car is totally stock with the revised front fender liners. Thank you for your input. I saw somewhere on the forum saying that if you do 245/275 it creates under-steer due to more grip in the back.
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      12-21-2017, 05:45 PM   #11
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Quote:
Originally Posted by BimmerAg View Post
Sounds like you need to find a different tire shop. The guy there clearly doesn't know what he's talking about. The first number in a tire size ex:245/35R19 is the width in mm so you're right that they'll be wider. The second number is the aspect ratio of the sidewall height to the width, so on in the example above 245x0.35=86mm sidewall height. Upsizing you tire width without changing the aspect ratio means that the new tires should actually be slightly taller than your old tires.
I agree with you going to a different shop. When I try to reason or understand his reasoning, he just shut me down saying "I am not here to teach you how to read a tire"! It just doesn't make sense based on the width and the aspect ratio like you mentioned. Thanks for your help.
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      12-21-2017, 05:46 PM   #12
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Quote:
Originally Posted by oldBMWguy View Post
I have been running those sizes [255 and 275/35/19's] on OEM rims for years, but with different tires... Continental DWS's and now Michelin Pilot Sport A/S 3+... I do have the "revised" front liners. I have had no problems with the one size up set-up. They sure look good but not sure they help much otherwise [off the track].
Thanks!
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      12-26-2017, 06:58 PM   #13
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Quote:
Originally Posted by Luca335 View Post
I agree with you going to a different shop. When I try to reason or understand his reasoning, he just shut me down saying "I am not here to teach you how to read a tire"! It just doesn't make sense based on the width and the aspect ratio like you mentioned. Thanks for your help.
if your dentist screamed at you.... " I am not here to teach you about good oral hygiene... " in a response to your query .. . what would you do?
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      12-26-2017, 09:42 PM   #14
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Quote:
Originally Posted by GimmeanM View Post
I have the PS4S in 255/275 on the oem rims. I'm also on H&R springs with the revised front fender liners. Also running 10mm spacers all around.
I do notice that they offer much better grip than the PS2s, however up front the initial turn-in response isn't as crisp. I did read somewhere that this is a known characteristic for the PS4S. Not sure if this is made worse by going up to a 255 over the 245?
They do fit fine however. I have a little rubbing when reversing at full lock on the passenger side (likely due to the spacers).
FWIW we have 9" and 10" wheels which is the same as F80 wheels which have the same 255/275 tires, so rest assured they'll fit fine.
If you're at stock ride height and stock ET then you'll have no problems at all.
If I could do it again I might go with stock sizes or 245/275 to help keep that steering feel.
...just my opinion
Would like to see pics of your 1M on H&Rs and spacers.
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      12-26-2017, 10:57 PM   #15
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Quote:
Originally Posted by MMM PWR View Post
Quote:
Originally Posted by GimmeanM View Post
I have the PS4S in 255/275 on the oem rims. I'm also on H&R springs with the revised front fender liners. Also running 10mm spacers all around.
I do notice that they offer much better grip than the PS2s, however up front the initial turn-in response isn't as crisp. I did read somewhere that this is a known characteristic for the PS4S. Not sure if this is made worse by going up to a 255 over the 245?
They do fit fine however. I have a little rubbing when reversing at full lock on the passenger side (likely due to the spacers).
FWIW we have 9" and 10" wheels which is the same as F80 wheels which have the same 255/275 tires, so rest assured they'll fit fine.
If you're at stock ride height and stock ET then you'll have no problems at all.
If I could do it again I might go with stock sizes or 245/275 to help keep that steering feel.
...just my opinion
Would like to see pics of your 1M on H&Rs and spacers.
Don't have any good photos after the fatter rubber. Just these cell pics. Second one is everything before the tires.
The nice pic is no spacers and stock tires.
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      12-28-2017, 09:03 PM   #16
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Quote:
Originally Posted by Luca335 View Post
Thanks for your input. Good to know it works well in rain as it rains quite a bit here in the Winter.
Pretty marginal tire for winter in Vancouver I would think. Summer tires get pretty greasy below 50F.
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      12-28-2017, 09:25 PM   #17
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Quote:
Originally Posted by GimmeanM View Post
Don't have any good photos after the fatter rubber. Just these cell pics. Second one is everything before the tires.
The nice pic is no spacers and stock tires.
Great shots, especially the last one and the one with the e46

Beautiful!
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      12-15-2019, 11:28 AM   #18
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I have been running on the ps2 tires since new and bought 2 sets since my 1st tire change....

Unfortunately the tire appears to be discontinued, which makes sense after all these years it may be a 10 year old tire design.

Question I those that have mounted either the pss or the new ps4 in the stock 245/265 19” size.

Can you describe:
1. Initial turn in feel from centre ?
2. Under steer or over steer when compared to the ps2?
3. Any tire float (ie. when running in the rain?)
4. Grip difference when compared to the ps2?

I had a set of pss tires mounted once that were not Bmw star rated and the car understeer terribly!!!

I wish to retain the stock characteristics of the ps2 tire as much as possible, I don’t care about durability ... I want the same feel and no understeer.
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      12-15-2019, 12:28 PM   #19
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Quote:
Originally Posted by Luca335 View Post
Help needed here! The guy from tire shop told me 255/275 combo won't work for the 19" OEM 1M rims. He said the 255 275 tires would be "shorter and narrower". I don't really understand, I am going up one size from 245 265, how can that be narrower, and shorter (35 on both).
Luca, yeah guy doesn't know what he's talking about as everyone here already comfirmed. I also have a totally stock car and want to go 255/35/19 and 275/35/19 on mine. If you go that size, please let me know. I have a feeling it will be OK with revised liners and stock suspension as I have. As Gimme and M3 a 10mm spacer can contribute to rubbing. My 1M with stock everything except for a 3mm spacer in front rubbed when backing on the original liners but didn't when I took them off. I also think that turn-in could be affected slightly as the sidewall is more upright vs stretched with 24 but I would be Ok with that.


Let us know how it goes please. Thank you.
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      12-21-2019, 12:18 AM   #20
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FYI 255/275 Bridgestone RE71R will rub the front fender liners when reversing. My car is all stock.

Seems like 255 front always has the same issue with rubbing.
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      12-21-2019, 10:01 AM   #21
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I put stock sized PS4's on my 1M this year and it now has tremendous grip - truly feels like 2x what the PS2s had. Not sure I would want much more grip as it would away from the balance/playfulness of the car at street speed.
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      12-21-2019, 11:01 AM   #22
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295/275 PS4s on mine.. great grip but can be a little twitchy in a straight line on roads made uneven by heavy trucks.

A fair tradeoff if you like cornering hard.
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