Pros and cons of Run-Flat tires
#1
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Pros and cons of Run-Flat tires
Given the lack of a spare tire in the RS7, I'm debating changing to run-flat tires. Pirelli has a run-flat version of the stock 275/30/21 P Zeros.
Any opinions on the subject? Any one have experience with run-flat tires?
Any opinions on the subject? Any one have experience with run-flat tires?
#3
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I bought a BMW 650 that came with run flats and I will never buy a car again that has run flats. You give up your need for a spare at the expense of ride (as in rough) and cornering (as in grip). If you are into performance cars, and you have to be to own an RS7, they are the last tires on earth you should ever think about.
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First, thanks all for your responses. Second, here's the brutal reality: The spare that comes with the S7 will not clear the RS7's front brake calipers. So, I've got two choices; one, get a 20" wheel with a smaller/narrower tire (which may still need to be deflated to fit into the spare tire well so I will need a pump as well). Or two, get a can of Fix-a-flat and a pump. For now, I'm going with option two....
#7
First, thanks all for your responses. Second, here's the brutal reality: The spare that comes with the S7 will not clear the RS7's front brake calipers. So, I've got two choices; one, get a 20" wheel with a smaller/narrower tire (which may still need to be deflated to fit into the spare tire well so I will need a pump as well). Or two, get a can of Fix-a-flat and a pump. For now, I'm going with option two....
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#8
I had my dealer try an S6 spare on my RS7. it does fit just fine and a the whole thing fits in the RS 7 when you take out the stock foam tool caddy. you can subsitute the tool caddy from an s7 and it will work also . i have put the spare on the front myself just to make sure. it is possible that the S6,A7 and S7 parts all work but we have not tested that. one caution. the compact spare comes in various sizes from Continental. the dealer could only find a 165/60/ 20 ( yes the spare is is a 20 ) but it is just a bit too large in diameter to fit in the well. they are searching for the correct size but it may not be available until june. if you want to hear the horror stories about run flats check out a bmw site.
#9
So umm which is true? I was pretty sure that the S6 spare tires were identical to the S7 spare tires.
#10
That is what BMW provides with their M5 in lieu of Run Flats.