Quote:
Originally Posted by Mavus
many people run non * spec summer, all season, winter rubber without issues. I have winter tires non * spec on two cars now and no issues over the years. There is nothing magical about * spec tires.
Most likely you either had defective tire(s) or your suspension has an issue or you bought wrong size and had mismatched tires.
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Many or at least some do run non spec tires -- summer, all season, winter -- without any issues.
But I have come across a number who have reported issues.
It is my feeling tires are too expensive to gamble non spec tires will be ok. I buy spec tires -- over the years lots of spec tires -- and have experienced no differences. The first Pirelli tires my Boxster came with and the last set of Pirelli I put on the car felt the same and that was about 16 years between the two sets of tires and 300K+ miles. Same with my other Porsche.
So far have not had to buy new tires to replace worn out tires for any BMW but when the time comes you can be sure I'm buying spec tires.
I don't like to mess with success or fix what ain't broke...