[Chappers 71]

Who's running PS4s & what are your thoughts on them?
I need to replace my fronts & would be interested in people's experience of how the PS4s perform.
Thanks in advance.

[748adam]

I’m running them, no complaints here

[rasa bmw]

Originally Posted by Chappers 71

Who's running PS4s & what are your thoughts on them?
I need to replace my fronts & would be interested in people's experience of how the PS4s perform.
Thanks in advance.

since ive bought my 335d ive joined facebook grouos..they rave about them,,couple have even got the ps4"s" they are good price considering whats out there,,im still sticking to uniroyal,,my new car even had them fitted on all four corners,,not the best cornering tyre but for everything else im very happy...

[Bmwuk]

Best tyres i have had on the car. Plenty of grip when going through twists/turns, under brakes and off the lights. Not the cheapest but you pay for what you get....

[Chappers 71]

Had the front supersports replaced with PS4S this morning
Having been out for a little drive to see how they feel the ps4s are an improvement over the supersports, am very happy with them

[rasa bmw]

so ypu tried them from cold ie not run in over say 50-100 miles,,i find tyres need a good few miles to bite in..the uniroyals do,,slippery at first in the wet,,then give them 100 miles and they are like glue in the wet.

[Sandy335]

Are you using PS4 or PS4S? I've had the PS4 and Supersport, the Supersport rode, steered and gripped better IMO, but I've not tried the PS4S yet, because I'm on 18s and they're not available in 18.

[Chappers 71]

Originally Posted by Sandy335

Are you using PS4 or PS4S? I've had the PS4 and Supersport, the Supersport rode, steered and gripped better IMO, but I've not tried the PS4S yet, because I'm on 18s and they're not available in 18.

PS4S, they seem really good & have a lot more tread at the edges than the supersports, hopefully they will wear better at the edges & last longer.
Even with having the car regularly geo'd the edges have worn out whilst still having plenty of tread left through the main part of the tyre

[tadaska]

Originally Posted by Sandy335

Are you using PS4 or PS4S? I've had the PS4 and Supersport, the Supersport rode, steered and gripped better IMO, but I've not tried the PS4S yet, because I'm on 18s and they're not available in 18.

If my info is correct the main difference between PS4 and PS4S is the side walls. PS4S has stronger sidewalls which gives it more precise and sportier feeling steering.

[nick46]

Originally Posted by Chappers 71

PS4S, they seem really good & have a lot more tread at the edges than the supersports, hopefully they will wear better at the edges & last longer.
Even with having the car regularly geo'd the edges have worn out whilst still having plenty of tread left through the main part of the tyre

I've got Goodyear Eagle F1 A3's on the front of mine (were on it when I bought it), and the outside edges have also worn pretty badly. Will get an alignment done when I replace them, but was wondering is it common for the E9x to wear the outside edges?

[Chappers 71]

The guy that fitted the new tyres did say that's typical bmw tyre wear, this will be my third pair of fronts, both of the previous sets also wore the outer edges despite having the car geo'd two or three times a year.
My e36 328i was also hard on the front outer edges. Maybe it's the way we drive them

[rasa bmw]

cornering hard doesnt help or slightly under inflated,,but on my cars they seem to wear ok,,although deffo slightly biased towards outer edge

[Chappers 71]

Originally Posted by rasa bmw

cornering hard doesnt help or slightly under inflated,,but on my cars they seem to wear ok,,although deffo slightly biased towards outer edge

I check tyre pressures every week & have them at 2.5 bar all round, as recommended by my BMW dealer & the stickers on the door frame.
I suspect the 300 or so miles driven from having the front subframe dropped to do the leaky sump gasket & replacement of turbos & being able to get a geo done may have killed the tyres, although they were still wearing more on the outer edges anyways.
How are you liking the 35d? Have you posted any pics of the old oil burner yet?

[rasa bmw]

Originally Posted by Chappers 71

I check tyre pressures every week & have them at 2.5 bar all round, as recommended by my BMW dealer & the stickers on the door frame.
I suspect the 300 or so miles driven from having the front subframe dropped to do the leaky sump gasket & replacement of turbos & being able to get a geo done may have killed the tyres, although they were still wearing more on the outer edges anyways.
How are you liking the 35d? Have you posted any pics of the old oil burner yet?

no keep forgetting,,had gearbox serviced today,,then remap from bwchiptune on wed,,then vac lines/swirl flaps and vac cannister on friday,,will get some up when all done and clean again

[Sandy335]

Originally Posted by tadaska

If my info is correct the main difference between PS4 and PS4S is the side walls. PS4S has stronger sidewalls which gives it more precise and sportier feeling steering.

Thanks, I see they list a wider range of sizes in the US, than we seem to have available here: https://www.michelinman.com/upload/m...t-sport-4s.pdf

[AD18]

Originally Posted by Chappers 71

The guy that fitted the new tyres did say that's typical bmw tyre wear, this will be my third pair of fronts, both of the previous sets also wore the outer edges despite having the car geo'd two or three times a year.
My e36 328i was also hard on the front outer edges. Maybe it's the way we drive them

Do you get wheel alignment done on the front tyres only or all tyres? I'm getting four new tyres put on but only recently realised you can track all corners and not just the front. I imagine just front two is sufficient for 90+% of the time.

[Chappers 71]

Originally Posted by AD18

Do you get wheel alignment done on the front tyres only or all tyres? I'm getting four new tyres put on but only recently realised you can track all corners and not just the front. I imagine just front two is sufficient for 90+% of the time.

I always have four wheel alignment

[Chappers 71]

Well I’m going to have to upgrade the rears to 4S sooner than I thought, although there is plenty of tread on them the 35i has eaten the passenger side rear inner edge down to the canvas The car has regular 4 wheel hunter alignments, last one being October 18 & 3,600 miles ago.

These are the current suspension values and the partially eaten tyre, I'm not a suspension guru but it appears that there is too much negative camber

[Chappers 71]

[Chappers 71]

Booked in with my local tyre place for Tuesday. I have decided to go with buying a pair of PS4S rather than one SuperSport, just over £400 fitted.

[rasa bmw]

keep us updated on the tread wear,ive heard conflicting stories on wear,,but i suppose its how you drive it,,flooring it from a standstill etc

[Chappers 71]

^ will do, the PS4S on the front are still looking fresh having covered just over 3,800 miles now.