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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F34 3-Series GT (Gran Turismo) Forum > Will stock M3/M4 437 R19 wheels fit GT?
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      05-28-2020, 08:55 AM   #1
Gran_Turismo
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Will stock M3/M4 437 R19 wheels fit GT?

Will they fit without any issues? Anyone running this setup?
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Last edited by Gran_Turismo; 05-28-2020 at 09:09 AM..
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      05-29-2020, 05:36 PM   #2
ttleGT335
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I was waiting for someone more with authority/knowledge will answer the question. I'm also thinking on upgrade from 18 to 19 rims and did some research on the rim in general.
https://www.carsaddiction.com/en/wheels/bmw/style-598
The website, have all the information on BMW rim based on model, you can use to check the spec for the rim. In addition to the rim diameter 18-19 etc, you also have to check the offset (the number after ET in rim size) and the width of the rim.
For GT, stock 19" may have both stagger and non-stagger
style 598-Stagger 8" width front, 9" with back. Offset 30 front, 42 rear
The M3 rim is 8.5 front, 9.5 back with almost the same offset.
(you need the style number to look it up)
hope this help..

for GT stagger, you need 225/45/R19 - front and 255/40/R19 rear.
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      06-22-2020, 09:38 PM   #3
ttleGT335
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Just a follow up, did you upgrade to 19”?
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      07-01-2020, 01:09 PM   #4
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Quote:
Originally Posted by ttleGT335 View Post
I was waiting for someone more with authority/knowledge will answer the question. I'm also thinking on upgrade from 18 to 19 rims and did some research on the rim in general.
https://www.carsaddiction.com/en/wheels/bmw/style-598
The website, have all the information on BMW rim based on model, you can use to check the spec for the rim. In addition to the rim diameter 18-19 etc, you also have to check the offset (the number after ET in rim size) and the width of the rim.
For GT, stock 19" may have both stagger and non-stagger
style 598-Stagger 8" width front, 9" with back. Offset 30 front, 42 rear
The M3 rim is 8.5 front, 9.5 back with almost the same offset.
(you need the style number to look it up)
hope this help..

for GT stagger, you need 225/45/R19 - front and 255/40/R19 rear.
Stock M3/M4 437m wheels are
Front 19x9 et 29
Rear 19x10 et 40

I don't know how much will it poke out as I am not familiar with F34. Only thing I know is that the 437m wheels is very close on spec with the 598 wheels, just 2mm lower ET and 1" wider on the rear. Front is 1 mm lower on et and 1" wider.

Last edited by Gen13 F36; 07-01-2020 at 01:15 PM..
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      07-01-2020, 03:31 PM   #5
Tommyj
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Try having a go on the willtheyfit.com website, you input the current wheel spec and the new one and they will show you differences between std and new
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      07-03-2020, 12:29 PM   #6
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The reps come with different sizes. I'm running
19x8.5 et37 225.45 Front
19x9.5 et33 255.40 Rear

No issues with fit/rubbing and I'm lowered. I have a 5mm spacer on the front but could probably do a 10-12mm if I wanted to be flush.

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