Quote:
Originally Posted by jad03060
BMW tries to have at least two suppliers for tires. Doesn't always happen, as with the i3, there's nominally only one, but initially, their expected volume for that vehicle was quite low. Seems just recently, another has shown up. The X5 has much larger volume, so being stuck with only one supplier could really hurt production/delivery from the factory if there were ever a supply issue, that, hopefully, was restricted to only one vendor.
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That makes sense.
In summary, it seems like there are at least the following options for 275/40/R21 front and 315/35/R21 rear for the Style 744 wheels:
Continental Premium Contact 6S run flat summer
Pirelli PZ4 run flat or PNCS summer
Michelin Pilot Sport 4 SUV summer
Pirelli Scorpion Verde all-season
Those Michelins mentioned seem well regarded. I don’t have access to tirerack website unfortunately (geographically barred), but from the following link comparisons, the Michelin and PZ4s each seem good in their class.
https://alltyretests.com/michelin-pi...v-test-review/
https://alltyretests.com/pirelli-p-z...4-test-review/
Any idea why the PS4 SUV aren’t compared against the PZ4? Is it because the PZ4 are not SUV-specific, even though they can work for SUVs? I don’t think the data is directly comparable, but I could probably compare them against their peers... the PS4 SUV seem to be pretty quiet too...
