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Pirelli P Zero Run Flat (PZ4) tires are Max Performance Summer tires derived from Pirelli’s Formula 1 experience and developed for use as Original Equipment on the BMW 7 Series, Mercedes-Benz E-Class and MINI Clubman, with select replacement tire sizes also included in the lineup. P Zero Run Flat (PZ4) tires are designed for the drivers of sports car, sport coupes and high-performance luxury sedans and provide the convenience of temporary extended mobility in the event of complete air pressure loss. Pirelli’s warranty does not cover tires that develop compound cracking due to use in ambient temperatures below 45° Fahrenheit (7° Celsius), so the P Zero Run Flat (PZ4), like all summer tires, is not intended to be driven in near-freezing temperatures, through snow or on ice.
The P Zero Run Flat (PZ4) utilizes a special high silica content summer-only rubber compound that is molded into an asymmetric tread design focused on comfort, low rolling resistance, low noise and lateral hydroplaning resistance. Wide, circumferential grooves and lateral notches are utilized for efficient water evacuation at speed or while braking to improve resistance to longitudinal hydroplaning.
The tire’s internal structure includes twin steel belts reinforced by a hybrid nylon and Kevlar ZeroDegree cap ply. Based on the desired performance characteristics of the Original Equipment application, the tire casing will be two-ply polyester or one- or two-ply rayon, with either symmetric or asymmetric construction. With many combinations of material and orientation available during development, tire designers have the ability to fine-tune the tire’s internal construction to further match the personality of the automobile for which it is engineered.
The sidewalls of the P Zero Run Flat (PZ4) feature additional reinforcement to provide self-supporting run-flat capabilities of up to 50 mph for up to 50 miles (80 km/h for 80 km). Due to these restrictions, it is imperative drivers be notified when a loss in tire pressure occurs and requires the vehicle be equipped with a tire pressure monitoring system (TPMS) to detect and signal tire pressure changes.
Though they cannot be labeled as run-flat tires, tires branded with MOExtended or MOE on their sidewalls offer run-flat-like characteristics by delivering limited temporary extended mobility after a puncture results in complete loss of air pressure. Because MOExtended or MOE tires do not have the same speed and distance endurance of conventional run-flat tires, they should not be substituted in any situation where a conventional run-flat tire is required. To confirm what your vehicle needs, check our Original Equipment tire listing for your year, make and model or see your vehicle owner’s manual.
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Founder at Tiresout. Used to be working as an engineer at Bridgestone Tires Akron Technical Center. The responsibilities included but were not limited to technical computing, indoor & outdoor testing of new tires.
These came on my X3 35i MSport as OE. Not a whole lot I can say about the PZeros. They’re pretty much as expected. Good dry traction, pretty good wet traction, good handling. And the typical run-flat negatives; harsh ride, lots of noise. What surprised me about them is the 320 treadwear rating. I had PZeros in the past and the rating was significantly lower. That said, I fully expect to have to replace them before I turn in the lease. Whether or not they get PZeros back will depend on whats available at the time and pricing, because these are extremely overpriced tires.
This tires are perfect for me I would definitely buy this ones again in the future to mi BMW X2
Embarrassingly after only 9000 miles, thread completely gone. Very poor on wet road. OEM Dunlop SM GT DSST pulled 25k driving with more aggressive driving. On a good side, lot quieter and more comfortable/softer than Dunlop.
Looks good and great riding
This tire offers great traction but Mercedes should be more reasonable than equipping a car with a summer only tire that has a 280 treadwear rating. Tires lasted all of 7500 miles before the tread was shot and the tires were out of round. I thought I had bent rims the noise was so loud. I’m not sure I understand the logic of putting these on as an OEM tire as it seems like everyone else is only getting 7-10K out of them.
I had a left front tire & wheel that sustained damage as a result of a pothole, which means a full 4 tire replacement. I went with replacing i.e., OEM Pirelli PZERO run flats. SAVE your money! By far there is nothing good about the PZERT tire. Performance is moderate-worst of all is the tread wear was almost over night. What makes even more devastating is that my car Mercedes C300 Coupe w/sport package was garaged most of the time so 2,000 miles is being generous, my wife and I car pooled most of the time. I replaced the tires with Yokohama Advent and the difference is startling. I have not put them to the test performance wise, but road noise is slight at best compared to the PZERO. Run flats in general, and I went through 2 sets are worthless. Why, even with a puncture in the tread of the tire, which is where it better be because a run flat won’t survive a pothole; you still must get your tire(s) fixed or repaired regardless. Have a safe and better ride, avoid run flats-especially PZERO.
My X5 came with these OE on a staggered 20″ setup. Summer only. Had the car 5 years and this is my second set. They are definitely precise and provide crisp steering response. The tire noise isn’t noticeable when new, but as the tire wears, they get a bit louder. You get a firm ride because they are runflats and on this vehicle, a 20″ tire doesn’t have a lot of sidewall. I got about 12,000 miles out of the first set and will get about the same with these. Seems like that’s pretty common for a summer only performance tire and see the same comments on the Michelin Pilot Sports about treadlife. They are definitely not suitable for winter driving and we use snows as soon as the temps get below 50. If you want a summer performance runflat and are OK with the limited treadlife, this has been good for us. May try an all-season next time as they have a better treadlife warranty.
These tires came with my E 43 on a staggered 20 inch setup. This is the first set of “run flats” or MOE as they call them, that I’ve ever had. Steering response is immediate, cornering stability is great. I know we are not supposed to use a summer tire in under 45 degree weather but I live on Long Island, NY and I can’t avoid the cold. I tried finding a winter run flat for my car and nothing was available. Supposedly there is a winter runflat from Pirelli (Sotozero Serie ii) but it was sold out on Tirerack when I purchased my car in December 2016. I have not experienced any cracking in the tire as warned by Pirelli and Tirerack when using this tire in about freezing temperatures. While maneuvering at low speeds and full steering lock there is a noticeable chatter in the tire. The road noise is obnoxious on the highway. i don’t know if that is just how a run flat sounds or if it this specific tire. I will follow up with an update when the weather warms.
These tires came with our car. After the first 5 months I found the road noise around town to be very annoying. On the highway the noise is even more intrusive. I am looking forward to replacing them with a different brand when there life is through.
I hit a fairly low curb at 15 mph,immediately tire warning lights on.Took it to a discount tire,it was found ruined,and a new one was $350! I have bought bridgestone run flats on a BMw X5 and a bmw 328 sedan and they were about $180-200,and seem more rugged as I got 50000 miles out of them.So no more Pirelli
We thought spending a little extra would be worth it. These tires lasted less than 1 1/2 years and not even 10,000 miles on very easy, moderate driving on a BMW X5. We use this car for our “around town” driving and occasional long road trips. Nothing crazy. Tires are already worn. I also understand that RFT’s are loud and hard. And this tire will not disappoint in that respect. I can’t wait to get rid of these tires. Don’t waste your money.
These are good performance tires but they wore out in 8000 miles. I drive to and from work and would not want to see how fast they would have worn out if I were a spriited driver. Not worth the money
I bought a brand new 2018 Mercedes C43 AMG Coupe and these tires came OEM on the car. CONS-The tires have the worst tread wear I have ever seen on a pair of tires. It hasn’t even been 2 years (Jan 2020 will be 2 years) and 11k miles in that I have had the car and these needed to be replaced 4-5 months ago but I have stalled on doing so.-The ride is rough on these tires. You can feel every little bump in the road but this is kinda of expected with a summer sports tire.-Even with AWD, the traction in any type of snow was horrible but kind of expected with a summer sports tirePROS-They perform well when the conditions are perfect which is what I guess they are made for. In the midwest, it’s tough to have these type of tires because we only get 3 months of actual good weather before we get slammed with snow/rain but in the summer months I did enjoy how they performed.Overall, the tread life is crap on these. Probably won’t buy them again.
The P-Zero PZ4 are a great replacement tires from the OEM Goodyears. The P-Zero made a huge difference; the ride quality is softer but proper, the road noise is less, however, the road performance is superb. My beemer feels better than new; the car steering feels sharper. the car drives as firm in rain as dry pavement. I put about 4,000 plus miles on the tires and they still look new. the P-Zero deliver on their promise of performance and quality. I am a very happy customer.