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      03-03-2020, 06:54 PM   #1
m.sickk
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315/30/20 tires on the rear?

Hey guys, I might be bringing my car to the track and was wondering if the Michelin ps4s 315/30/20 will fit on the rears? I have the 343m wheels and I believe it would fit but I just wanted to make sure. And will it rub if I lower my car with h&r sport springs and add 12mm spacers? I was considering the r888r but I daily my car and it seems dangerous in the rain. Thanks in advance!
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      03-03-2020, 09:28 PM   #2
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I'm in the bay area too, I don't have an answer for you, but what event are you attending?
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      03-03-2020, 10:42 PM   #3
m.sickk
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Shift sector neverlift halfmile
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      03-04-2020, 10:03 AM   #4
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Interested for someone more knowledgeable than me to give some feedback. I see a lot of people just going with the 305. I know one guy did 325 but it was not on factory rims.
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      03-04-2020, 11:37 AM   #5
brad850csi
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I did 325/30r20 on 20x11.5" 18mm offset wheels. The stock are 19mm offset so on 315s I'm sure you'll be fine.
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      03-09-2020, 06:59 PM   #6
Thadius
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Go to discount tires and have them run the scenario you want. They use a sizing tool that is laser based and accurate. I even think they guarantee fitment. You'll spend less time on the forums and more time with the car :]

You can fit up to 325 btw but prob not on BMW stock wheels.
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      03-09-2020, 08:03 PM   #7
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Quote:
Originally Posted by m.sickk View Post
Hey guys, I might be bringing my car to the track and was wondering if the Michelin ps4s 315/30/20 will fit on the rears? I have the 343m wheels and I believe it would fit but I just wanted to make sure. And will it rub if I lower my car with h&r sport springs and add 12mm spacers? I was considering the r888r but I daily my car and it seems dangerous in the rain. Thanks in advance!
315/30/20 fits this is the size most guys run with Toyo R888s ,Im going with these because I have 305 4s now and there basically useless
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