Question for Michelin PS4S Owners, how are you storing your car for long periods of time?
I currently have a set of Michelin PS4S on my M3 convertible. The car is primarily stored in a temperature controlled garage and driven on nice days where I can drive with the top down. Now this makes the car stored for the majority of time, especially during the winter. My issue is that I am developing flat spots from the car sitting. I drove it the other day for the first time in like 2-3 months. When driving especially at speeds of 40mph to 80mph, there was a vibration in the steering wheel. I ended up driving the car for quite a bit that day, as I drove the vibrations began less and less noticeable. Finally, before I parked the car back in the garage there was no vibrations at all. Clearly, this was probably due to the car sitting for 2-3 months and flat spotting in that portion of the tire. Once the tire heated back up, the tires developed it's natural round shape.
I understand the PS4S is a soft compound tire and it will deform rather easily. I read that it would be good to overinflate tire to max psi to help with this, but Michelin explicitly warns owners not to overinflate the air pressure in the tires. I also thought about buying some rubber mats or dense foam installation to store the car on them so that the car settles on the mats to prevent flat spotting.
Also please don't suggest pulling wheels off car or putting the car on jack stands, I realize that this is an option but I want to be able to access the car quickly and not spend a lot of time prepping the car should I decide to drive the car.
Are you guys having this problem with PS4S tires, especially owners that do not drive their cars often? What have been your solutions? How long it is normally taking for your tires to develop flat spots?
I currently have a set of Michelin PS4S on my M3 convertible. The car is primarily stored in a temperature controlled garage and driven on nice days where I can drive with the top down. Now this makes the car stored for the majority of time, especially during the winter. My issue is that I am developing flat spots from the car sitting. I drove it the other day for the first time in like 2-3 months. When driving especially at speeds of 40mph to 80mph, there was a vibration in the steering wheel. I ended up driving the car for quite a bit that day, as I drove the vibrations began less and less noticeable. Finally, before I parked the car back in the garage there was no vibrations at all. Clearly, this was probably due to the car sitting for 2-3 months and flat spotting in that portion of the tire. Once the tire heated back up, the tires developed it's natural round shape.
I understand the PS4S is a soft compound tire and it will deform rather easily. I read that it would be good to overinflate tire to max psi to help with this, but Michelin explicitly warns owners not to overinflate the air pressure in the tires. I also thought about buying some rubber mats or dense foam installation to store the car on them so that the car settles on the mats to prevent flat spotting.
Also please don't suggest pulling wheels off car or putting the car on jack stands, I realize that this is an option but I want to be able to access the car quickly and not spend a lot of time prepping the car should I decide to drive the car.
Are you guys having this problem with PS4S tires, especially owners that do not drive their cars often? What have been your solutions? How long it is normally taking for your tires to develop flat spots?
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