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Technical Topics Wheels and Tires Widest wheels possible in a 330i

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      11-10-2019, 06:23 AM   #1
jcrosa
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Widest wheels possible in a 330i

Does anyone know the size of the widest wheel I can fit in a 330i (M Performance trim) without having to do any bodywork and without having part of the wheels/tires out of the car's body.
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      11-12-2019, 10:21 AM   #2
SunsetSleeper
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Its not just a function of what wheels you choose and the width its also which size tires you put on the rims.

I know some people running 19x8.5 with 255 series tires instead of 245 or 225 which comes stock on the X model.

Do you want fat meaty tires or do you run lower profile tires?

I am just bringing up a point that you might not have thought of.

Also you have the offset on the wheels so how far are they sticking out.

All of these variables make it more difficult to figure out. I would recommend contacting a few of the "reputable" wheel companies for help like HRE, BBS, Forgestar, ect to get help
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      11-12-2019, 10:28 AM   #3
Tam the Bam
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On my 330i my tyres came from BMW this configuration

Front 8j x 19 with 225/40 R19 Michelin Pilot Sport 4 S
Rear 8.5j x 19 with 255/35 R19 Michelin Pilot Sport 4 S
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      11-18-2019, 08:30 PM   #4
jcrosa
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Quote:
Originally Posted by Tam the Bam View Post
On my 330i my tyres came from BMW this configuration

Front 8j x 19 with 225/40 R19 Michelin Pilot Sport 4 S
Rear 8.5j x 19 with 255/35 R19 Michelin Pilot Sport 4 S
Mine came with that setting, but with Pirellin P Zero instead.
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      11-18-2019, 08:32 PM   #5
jcrosa
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Quote:
Originally Posted by SunsetSleeper View Post
Its not just a function of what wheels you choose and the width its also which size tires you put on the rims.

I know some people running 19x8.5 with 255 series tires instead of 245 or 225 which comes stock on the X model.

Do you want fat meaty tires or do you run lower profile tires?

I am just bringing up a point that you might not have thought of.

Also you have the offset on the wheels so how far are they sticking out.

All of these variables make it more difficult to figure out. I would recommend contacting a few of the "reputable" wheel companies for help like HRE, BBS, Forgestar, ect to get help
I would like to keep 19" wheels and xxx/40 and xxx/35 tires, but I really would like more wide wheels and tires. Like growing from 8.0 in the front and 8.5 in the rear, to 8.5 in the front and 9.0 or 9.5 in the rear.
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      12-28-2019, 02:05 PM   #6
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You have to make some calculations if you want to figure out if new wheel/tire combo will fit. Your current wheels have offsets +27 front and +40 rear. With all that info that you have, go here https://www.willtheyfit.com/ put all the parameters of current and new wheels into the calculator and you will see how much new wheels will stick out or be more sunken compared to current ones. With that new information that you got from the calculator, you can go and apply these measurements to your car to see how it might look in real life.
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