" wrote
>> Most summer performance tires, RF or not, have no treadwear guaranty.
>> The big advantages to replacing the RFTs are cost and ride quality.
>
> I replaced them with Bridgestone Potenza RE 960ES and they have a
> 40,000 mile warranty.

That's because RE960 is not a summer tire. It's classified as an
all-season tire.

How do you like them so far? I am considering getting them for my 530i
since I moved to Chicago recently and will have to get rid of my summer
Dunlop SP Maxx before winter arrives.

Pete