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KEEP M3POST ALIVE BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER LINK! |
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07-24-2021, 11:31 AM | #1 |
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R888R or MPS4s? Or something else?
Hey all - I should be getting my AG 19x10 19x11 359m reps in shortly and I'm looking to buy some tires. This is not my daily and gets driven 2-3 times a week max, and usually only for a morning spirited drive on the weekends. I do however plan to do a couple of track days annually on this wheel/tire setup. If I get hooked, I'll go for a set of 18's. I've always had MPS and eventually MPS4s on all my M cars but in this case, since this car isn't my daily and I do plan on the occasional track day, I'm wondering if I can get away with something a bit more aggressive. I plan on the following sizes - (F)275 30 R19 and (R)295 30 R19.
Which tire would be the best given my use case, the R88R or the MPS4s? Or is there another tire I should consider? Can't seem to find Cup2's in these sizes. I like the Yoko AD08R but it's a bit pricier. So which tire would you guys get and am I missing a contender in this category?
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07-27-2021, 02:34 AM | #3 |
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Not many options in that tire size ( I run the same sizes) . Unfortunately you will need to determine what works better for you. The PS4S will be a better street tire, while the AD08R is a better track tire. Both are very expensive tires .
Ideally, you would want a 18" track wheel/tire as that provides much better options and pricing. |
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07-27-2021, 07:33 AM | #4 |
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Thanks for the input gents. Leaning towards the mps4s for this set of 19's, then going for a track set of 18's.
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07-28-2021, 06:36 PM | #5 |
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since you only drive the car rarely id go with the R compounds. Just wrapped my ZCP wheels in R888R and they are a lot quieter than when I had them on 18s. They do great on track especially compared to a street tire.
That being said the PS4s will work for your needs and will even work on the track. Just depends how extreme you want to go. Ones an R compound and ones a street tires
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07-28-2021, 06:45 PM | #6 |
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I'm a long time AD08R supporter which I currently daily on my M3. Recently I've been pointed to the Dunlop Direzza Z3. Better grip than AD08R, better in the wet, and longer lasting. I will be trying these next.
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07-29-2021, 10:02 AM | #7 | |
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07-29-2021, 11:21 AM | #9 | |
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OEM Size Data: Fronts = 245/35ZR19 (93Y) XL with Outer Diameter = 25.9 inches Rears = 265/35ZR19 (98Y) XL with Outer Diameter = 26.3 inches Your New Wheels = 10 in wide fronts and 11 inches wide rears General rule to preserve handling (except for racing slicks) is the rim width should be at least 90% as wide as the tire section width (or more for racing applications). Think of the rim as being the ‘foundation of the house’ i.e. a narrower tire section width on a wider rim creates a trapezoidal shape and is much more laterally stable under cornering loads at iso inflation pressures than a wide tire on a narrow rim. Doing that math we get: Fronts - (10in X 25.4mm/in) / 0.9 = 282mm - Dropping down to a 275mm section on the 10.0 inch wide rim should work well. Rears - (11in X 25.4mm/in) / 0.9 = 310mm - Dropping down to a 305mm section on the 11.0 inch wide rear OR a 295mm section should work well. However a 305mm section on an E9X M3 in the rear needs at a least a 33mm offset to fit reasonably well at stock ride height. Since you mentioned more weekend spirited driving for weekends, I can recommend the Michelin PS4S which will also work well and survive a couple of track HPDE events providing the hot pressures and tire temperatures are managed properly. Recommendation: Fronts = 275/30ZR19 (96Y) XL Michelin Pilot Sport 4S - Outer Diameter = 25.6 in Rears = 305/30ZR19 (102Y) XL Michelin Pilot Sport 4S - Outer Diameter = 26.3in Alternate Rear = 295/30ZR19 (100Y) XL Michelin PS4S - Outer Diameter = 26.0in Just my two cents. I hope this helps you with your decision. Yes, I know there will be alternative point of views and perspectives but this is just one man's point of view.
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07-30-2021, 09:36 AM | #10 | ||
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'08 E92 M3 DCT Melbourne Red/Bamboo Beige Leather/EDC/SSP Spec-R DCT clutch discs/SSP Pro-Gold DCT Fluid/Quaife LSD/3:45 Final Drive by Diffs Online/BE Bearings & ARP Bolts/Vibra Technics Engine Mounts/M3 World HFC X-Pipe/LUX H8 180/BPM Sport DCT Tune/PFC Z-Rated Pads/ECS Brass Brake Caliper Bushings/Alex Shop Solid Sub-frame Bushings/Motul 600/Tint
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08-02-2021, 06:15 PM | #12 |
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Triple 8s are a joke on the road, unless you are supercharged and making monster power having triple 8s serves no benefit to you on the public roads. PS4S is a great tire for all-around duty and occasional weekend track days, but if you are looking for something to push on the streets and on the track I would consider something like AD08R or RS4s.
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08-05-2021, 11:51 AM | #13 | |
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The only real issue is noise and even that is not so bad a on a large diameter wheel (19/20). They work fine in the rain with tread too just have to be careful. Only real issue I had was I had a work meeting and my Prius was unavailable and it was torrential downpour. I took my M4 with BALD R888R and that was terrifying sliding everywhere. But I live in Socal so we get rain very rarely and when we do I have tread on my tires, so its fine. OP don't listen to people who are so dramatic when they describe tires that aren't slicks. I daily drive R888r and they are a great tire that will serve you well. If your intentions are to have your ride be semi supple and still fun go with the PS4s. If you want R compound level grip and don't drive in the rain every month get the Toyos. My other car is a gt3rs on Cup2 and I really believe the R888r are more street and wet friendly than those michelins. You honestly won't regret either decision just remember the cons of the r888r: loud, quick wear rate, less wet performance.
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08-05-2021, 11:59 AM | #14 | |
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+1 well put. Best would be 275/30 and 295/30 in terms of feel and performance. 305 on the back of a car with 200ftlbs of torque is unnecessary. Try to keep the 20mm staggered between front and rear to limit understeer. These cars actually feel great squared so anything that brings a bigger discrepancy to the staggered is a no no
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