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      04-25-2016, 01:09 AM   #5
MickAv8r
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Drives: 2014 EBII 328ix
Join Date: Mar 2014
Location: New Hampster

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Quote:
Originally Posted by 1800cc View Post
Hello,

This is my first post. I have about 30k miles on my manual 6 speed Msport EBII 328i now. I've got the stock Msport suspension(not electronic). I've been autocrossing for a few times in my 99 miata and once in my F30. The miata is going to be sold so I am going to start auto Xing my F30 this season. Got a couple questions about the car's setup.

First off tire situation:

I hate the understeer on the current staggered setup. No matter how much I play with the pressures. Maybe I am doing it wrong? So I am going to buy my friends 18x8 et34 441M wheels from the 435i xDrive M Sport. The plan is to use those wheels and run a square setup.

Question: Since these tires come with 225x45x18 is that going to ruin the way BMW wanted the suspension to work?

My current (stock) wheel specs are 225x40x18 up front and 255x35x18 in the back. Eventually, I plan on running a wider setup like 245 or 235 on the same wheels for the track.
Aiming for streetability and usability. By usability I mean I want to be able to rotate my tires and maximize the usage for them.
You could run up to a 245 on that 8 inch rim but I'd personally ditch the idea of the 18x8 and go 18 x 8.5 ET 35 square running 255/40/18s.
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2014 328ix EBII - Sport AT, Light Pkg, Blk Dakota, Moonroof, Navigation, Heated Seats, HK Audio, Driver Assist, Sport Pedals, Dinan Springs, Bilstein B8s, M-Performance BBK
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