[Al1969]

I have now just passed the 6.5K km with my LCI and realised my tires are almost dead ... that looks a bit too early to me !!!
Trying to figure out why, I see different reasons for this:

1. The tires I got when the car was delivered are Conti sportcontact3, I read in different posts that those tires have little resistance

2. Drive field is mainly mountain pass, with strong accelerations in turns that puts a lot of pressure on tires

3. Sport+ mode feels the best for the sound and drive feeling, but no assistance means also more drifting

Nevettheless, I enjoy a lot the car and need to buy my first new tires now, I always had good experience with Michelin that are more resistant with better handling.

Any better ideas on specific models you guys had on your M2's you would recommend?
Thanks

[tranck]

No question...get the Michelin PS 4's - just changed from the Super Sports that had 6500 miles on them -the wet traction on the PS 4's (which was my concern w/ the SS's) is much better.

Contact Rudy at the TireRack - they have a special deal going on - free shipping and a $70 rebate.

[AndrewC1989]

Originally Posted by Al1969

The tires I got when the car was delivered are Conti sportcontact3

Originally Posted by Al1969

Any better ideas on specific models you guys had on your M2's you would recommend?

Michelin PS4S

[dmk08]

As many have said Pilot Sport 4S are now the benchmark for street tires. I was amazed how much better they could handle the power on my M4 vs the MPSS I replaced.

[DOMs335D]

I just got the Conti Extreme Contact Sport, they blow the Michelin's out of the water if you do any sort of autocross or track driving. I'd say that they are more comparable to the Cup 2's then the PS4S I had before. If you want something that lasts longer though, then the PS4S is the best tire no question!

[alscks0414]

Have MP Cup2s on my track use Apex SM-10. Have MPS4Ses on my daily HRE. Have Contis wintercontact TS830 on stock 437M for winter.

Car was initially delivered with Contis and sold them away with no mileage. I had MPSS for my previous F80 and have to say MPS4S is pretty much close to MPSS but does better on wet condition IMHO.

If you want to save budget, you may want to go with MPSS which can be found around in F8X forums.

Comparing and considering budget and performance, I will say MPSS and MPS4S are good choice. Pirelli P-Zeros are nice but more expensive. I have not driven any vehicle for long enough with Pirelli, so cannot really give my full thought about them, but it seems Michellin plays better role according to many different reviews.

Toyos are true fanboy tires for track, but Cup2s are better IMHO and cheaper. Again, I cannot really give you any good comment on Pirelli P-Zero Corsa, but they are expensive as well.

[No Boost]

PS4S 255/275 or 255/285(or even 295) if you have power mods.

[Al1969]

Thanks I love my original rims
245/35/r19 front - 265/35/r19 rear
But can you put other dimensions on those?

[No Boost]

^^ yep. Folks are running as big as 275 front/295 rear on stock wheels on stock suspension.

[alscks0414]

Originally Posted by Al1969

Thanks I love my original rims
245/35/r19 front - 265/35/r19 rear
But can you put other dimensions on those?

If you want to go 35 side profile, 255/35/19 F and 275/35/19 will be pretty much maximum. If you add camber you could look at 260/35/19 and 275/35/19 also.

You could also consider 260/30/19 F and 280/30/19. However, going over these widths will not be ideal for the given size of 437M wheels.

I have 255/35/19 F and 275/35/19 R on my HREs (9JX19 Front and 10JX19 Rear, offset very close to 437M) lowered with Ohlins R&T and GC camber plates and they are beautifully balanced at track and normal driving.

[Al1969]

Originally Posted by Stage IV

^^ yep. Folks are running as big as 275 front/295 rear on stock wheels on stock suspension.

Ok for the look, but how good is the change for the handling/feeling?

[alscks0414]

Originally Posted by Al1969

Ok for the look, but how good is the change for the handling/feeling?

You won't feel much difference. 10 mm width increase won't give you big enough difference actually.

I cant really give you my opinion as I did not experience mine with stock Contis with stock size tires as they were sold after I took the delivery. But I will say it gives little more resistance turning the steering due to wider front tires.

If you make decent choice on new tires, they should give more than what you need on spirit weekend back road drive.

Edit: Sorry I misread your post. 275/295 will be different enough to give you the difference in feeling. They will be harder to steer. Too much grip at the front will give you more over-steer. IMHO, stock F87 power is just good with 255 front and 275 rear (which is F8X M3/M4 stock tire sizes) to put down on the surface. Wider than 275/295 will add more than 10 lbs of total weight at sum all 4 corners. And not safe with given wheel size.
I will give you wider more muscular look from behind, but thats all there is.

[No Boost]

http://f87.bimmerpost.com/forums/sho....php?t=1465661

For consideration. Right now, I have 295/30 rear along with the original 245 Contis up front. Going with 255 fronts when they wear out, which is more than sufficient for street use. The extra wide rears look awesome and enable the power to get down with all this extra torque....no difference in ride quality that I can feel.

[Al1969]

Originally Posted by alscks0414

You won't feel much difference. 10 mm width increase won't give you big enough difference actually.

I cant really give you my opinion as I did not experience mine with stock Contis with stock size tires as they were sold after I took the delivery. But I will say it gives little more resistance turning the steering due to wider front tires.

If you make decent choice on new tires, they should give more than what you need on spirit weekend back road drive.

Edit: Sorry I misread your post. 275/295 will be different enough to give you the difference in feeling. They will be harder to steer. Too much grip at the front will give you more over-steer. IMHO, stock F87 power is just good with 255 front and 275 rear (which is F8X M3/M4 stock tire sizes) to put down on the surface. Wider than 275/295 will add more than 10 lbs of total weight at sum all 4 corners. And not safe with given wheel size.
I will give you wider more muscular look from behind, but thats all there is.

Ok interesting, did not know stock M3/4 has 255 F 275 R - maybe a good move to keep 245 F with wider 275 R - thanks all for the good advices

[eeyang92]

I am running 255/275 MPS4S and I don't remember the last time I've had wheel spin under heavy acceleration (100% stock /w coilovers). When I was on my contis I would get wheel spin pretty regularly in 1st gear.

[Al1969]

Originally Posted by eeyang92

I am running 255/275 MPS4S and I don't remember the last time I've had wheel spin under heavy acceleration (100% stock /w coilovers). When I was on my contis I would get wheel spin pretty regularly in 1st gear.

Do you have maybe pictures from rear to show how it looks with the 275R ?

[eeyang92]

Originally Posted by Al1969

Do you have maybe pictures from rear to show how it looks with the 275R ?

Yep! I posted some links in another thread:

https://f87.bimmerpost.com/forums/sh....php?t=1507998

EDIT: Although no rear shot sorry, I was more concerned with the fitment

[SeanWRT]

Having 400+whp on a sedan based chassis, we really need to look outside of max performance category (likes of PS4S/PSS, P Zero and SCS).

The King is unquestionably Bridgestone RE71R (extreme performance), it outperform Cup2 (a streetable competition) in grip and temp window, longevity, almost everything. It even works great in wet and cold! I've been using it for past 12 months (265/35/19). I make a bit more power (check my thread) and RE71R hooks up great from 2nd when warm. Downside is - it wears as fast and is as noisy as cup2, which many think is acceptable though.

Hankook RS4 carries on RS3's greatness, plus an improvement in wet. It gave up a little grip to RE71R, but is considerably more durable. Should be my second choice. I may buy a set of 275/35/19 when I receive my new wheel. BTW, I didn't do 20" wheel, only because no good enough tires come in 275/30/20. 285/30/20 or wider will cause rubbing in my preferred ET (and even stock ET) when car is lowered.

AD08R is even more friendly for an extreme. It's grippier than ALL of max performance tires and is almost as durable. Though like many other extreme, cold and wet are the weakness.

Lastly, I don't think anyone would use a streetable competition that's not the Cup2 as a street tire. However, using Cup2 on street is a waste of its potential. Because on street, its operating temp window is too short to stay within unless you have a really hot climate, however its shortcomings will be lived with all the time - stiffness, noise, little grip when cold or wet, and short life circle. Plus, make sure the place you drive in is clean, as Cup2 picks up just EVERYTHING on the road. Most importantly, Cup2 at a higher price point can hardly match RE71R performance wise, if you're not a pro driver or even if you are...

Other tires in extreme category, I don't consider.

As for max performance (AKA all rounder, a step below extreme) tire, you really need a far more mechanically capable chassis to handle the power most of us are looking to make, which our chassis is not. It takes extreme tire to make up for it. PS4S/SCS/P0 265/275mm are made for stock M2. Even to hold stock M4 in place requires 285/295mm PS4S, which looks a little out of place on something that is not a ground up sports car.

[fanshu]

Originally Posted by SeanWRT

Having 400+whp on a sedan based chassis, we really need to look outside of max performance category (likes of PS4S/PSS, P Zero and SCS).

The King is unquestionably Bridgestone RE71R (extreme performance), it outperform Cup2 (a streetable competition) in grip and temp window, longevity, almost everything. It even works great in wet and cold! I've been using it for past 12 months (265/35/19). I make a bit more power (check my thread) and RE71R hooks up great from 2nd when warm. Downside is - it wears as fast and is as noisy as cup2, which many think is acceptable though.

Hankook RS4 carries on RS3's greatness, plus an improvement in wet. It gave up a little grip to RE71R, but is considerably more durable. Should be my second choice. I may buy a set of 275/35/19 when I receive my new wheel. BTW, I didn't do 20" wheel, only because no good enough tires come in 275/30/20. 285/30/20 or wider will cause rubbing in my preferred ET (and even stock ET) when car is lowered.

AD08R is even more friendly for an extreme. It's grippier than ALL of max performance tires and is almost as durable. Though like many other extreme, cold and wet are the weakness.

Lastly, I don't think anyone would use a streetable competition that's not the Cup2 as a street tire. However, using Cup2 on street is a waste of its potential. Because on street, its operating temp window is too short to stay within unless you have a really hot climate, however its shortcomings will be lived with all the time - stiffness, noise, little grip when cold or wet, and short life circle. Plus, make sure the place you drive in is clean, as Cup2 picks up just EVERYTHING on the road. Most importantly, Cup2 at a higher price point can hardly match RE71R performance wise, if you're not a pro driver or even if you are...

I have used 2 sets of AD08 for my subaru, they are very noisy after 10,000km. I have changed to Cup2 and found that their road noice is much better, better than my friend's RE71R, may be asymmetric pattern helps.

Another problem in Hong Kong is price of RE71R is same as Cup2 which I don't think is justifiable. And I found in summer time, the tire is better may be due to mostly over 30deg air temp here.

[SeanWRT]

Originally Posted by fanshu

I have used 2 sets of AD08 for my subaru, they are very noisy after 10,000km. I have changed to Cup2 and found that their road noice is much better, better than my friend's RE71R, may be asymmetric pattern helps.

Another problem in Hong Kong is price of RE71R is same as Cup2 which I don't think is justifiable. And I found in summer time, the tire is better may be due to mostly over 30deg air temp here.

Here in mainland, Cup2 is 40-50% more expensive than RE71R. I think noise is close, but that's on different car. M2 on RE71R vs M4 on Cup2.

Cup2 in winter 0 degree C, is really useless. With M4 stock on 285/30/20 763M set, you need to be very careful. Trying to get on temperature on street is a pain in the ass. You'd think it's a joke to have them.

In term of outright grip, Cup2 even at optimal temp/pressure can hardly match RE71R. No mention RE71R has a much wider temp window. I'd go with RE71R even for Cup2 price. And I'd choose PS4S 295/30/19 on correct ET over 265/275/35/19 Cup2. A little less dry grip but worlds better everything else.

Here we don't see many drag race with RE71R because the size is very limited. I think it's a blessing for M2 as it comes in 265/35/19.

[fanshu]

Originally Posted by SeanWRT

Here in mainland, Cup2 is 40-50% more expensive than RE71R. I think noise is close, but that's on different car. M2 on RE71R vs M4 on Cup2.

Cup2 in winter 0 degree C, is really useless. With M4 stock on 285/30/20 763M set, you need to be very careful. Trying to get on temperature on street is a pain in the ass. You'd think it's a joke to have them.

In term of outright grip, Cup2 even at optimal temp/pressure can hardly match RE71R. No mention RE71R has a much wider temp window. I'd go with RE71R even for Cup2 price. And I'd choose PS4S 295/30/19 on correct ET over 265/275/35/19 Cup2. A little less dry grip but worlds better everything else.

Here we don't see many drag race with RE71R because the size is very limited. I think it's a blessing for M2 as it comes in 265/35/19.

Majority of the M2 group member here use RE71R, and their comment are similar to yours. The time I change to Cup2 instead of RE71R besides the price, is I cannot find one RE71R made in 2017, all are 2016 or even earlier. My Cup2 was 47th week of 2017, so I take Cup2 instead. May be next time when I change, see how the supply of RE71R, can consider this one.

Thanks for your comment.

[ZM2]

I agree with all the discussion above, except if temps are below 45F or if it’s raining a 4S is a much better tire than a 71R or Cup 2. I’ve burned thru many sets of all these tires on track and the street and the 4S is my go to for decent grip, comfort, and rain/cold weather driving.

I was even driving in snow/slush at Watkins Glen earlier this year and was having fun with the 4S. The other tires would have had me in the wall.

I don’t street race, so the 71Rs and R7s stay on my track wheel set. No need for the extra noise and harshness on the street for me.