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      12-12-2019, 12:18 PM   #1
12v_dub
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Another tire size option for 718 Wheels 21"

Hey guys,
I wanna get Pilot Sport 4S tires from michelin, and played with some numbers and sizes for the 21" wheels

Front would be only 10mm wider 255/40/21 and rear 20mm more 295/35/21

I know the rear might have a little bulge, but I've read many people that ran this size on 9.5" wheel without issues.
I also want to get some more hips in the back from rear wider tires.
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      12-12-2019, 01:05 PM   #2
asyvan
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If you consider the fact that the X3M runs on 10x21/ET 39mm rear and 9.5x21/ET 31mm front (765M rims) you can easily calculate that you can give your car a "hip" of about 10-11mm (2/5th inch) using spacers. You don't need wider tires for that wider look.

EDIT: Like these:
https://www.eibachshop.co.uk/eibach-..._p31222497.htm
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      12-12-2019, 02:14 PM   #3
12v_dub
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Quote:
Originally Posted by asyvan View Post
If you consider the fact that the X3M runs on 10x21/ET 39mm rear and 9.5x21/ET 31mm front (765M rims) you can easily calculate that you can give your car a "hip" of about 10-11mm (2/5th inch) using spacers. You don't need wider tires for that wider look.
I am not a fan of spacers and I need tires soon
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      12-12-2019, 02:20 PM   #4
asyvan
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Quote:
Originally Posted by 12v_dub View Post
I am not a fan of spacers and I need tires soon
Fair enough, but may I ask why you are not a fan of spacers? Correctly designed spacers with quality and center extension combined with longer bolts are a no brainer if you ask me. Eibach is top notch. The most important and an absolute must is the center extension.
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Last edited by asyvan; 12-12-2019 at 02:25 PM..
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      12-12-2019, 10:13 PM   #5
12v_dub
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Quote:
Originally Posted by asyvan View Post
Fair enough, but may I ask why you are not a fan of spacers? Correctly designed spacers with quality and center extension combined with longer bolts are a no brainer if you ask me. Eibach is top notch. The most important and an absolute must is the center extension.
I've had macht schnel spacers and could never get a slight vibration out with even hubcentric spacers. I tried 2 separate sets with perfectly balanced wheels.
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