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      10-22-2020, 02:39 AM   #1
manghong
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19 tyres size questions (RWD)

Hi all, recently purchased a set of for my RWD F30 lowed with coilovers with the following spec

19 x 8.5 ET36
19 x 9.5 ET36

I know that 235/35/19 and 255/35/19 would run without any rubbing issue, however I would like to have beefier rear tyres, does anyone know what is the largest size that I can run without rubber issue? thank you!
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      10-22-2020, 01:17 PM   #2
thejeremyman9
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Not sure about the max size for rear, but you should definitely do 245/35/19 front instead of 235/35/19, i went from the stock 225/35/19 to 245/35/19 even on the OEM 8'' wide 19'' wheel.
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      10-22-2020, 10:18 PM   #3
manghong
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Quote:
Originally Posted by thejeremyman9 View Post
Not sure about the max size for rear, but you should definitely do 245/35/19 front instead of 235/35/19, i went from the stock 225/35/19 to 245/35/19 even on the OEM 8'' wide 19'' wheel.
Do you have any photos of the front?
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      10-23-2020, 12:28 AM   #4
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Originally Posted by manghong View Post
Do you have any photos of the front?
https://f30.bimmerpost.com/forums/sh....php?t=1678451

Aloha posted some of another car, and if you scroll down, you see my before and after albums.
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      10-26-2020, 09:26 AM   #5
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Quote:
Originally Posted by manghong View Post
Hi all, recently purchased a set of for my RWD F30 lowed with coilovers with the following spec

19 x 8.5 ET36
19 x 9.5 ET36

I know that 235/35/19 and 255/35/19 would run without any rubbing issue, however I would like to have beefier rear tyres, does anyone know what is the largest size that I can run without rubber issue? thank you!
The simplest conversion that will provide you extra beef is 235-40-19 and 265-35-19. This will also have a very low change in speedo error, if even recognizable, which it won't be. I am adding these to my car now. This combo will add more beef front and rear and keep front and rear at almost identical overall diameter.
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      10-29-2020, 09:28 AM   #6
manghong
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Thank you for the input, I have finally decided to go with 225/40/19 and 255/35/19, here is the rear wheels 9.5J ET36 255/35/19 tyres with loading in the back, no rubbing at all



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