Style 65 wheels on an E9?

Urotrsh

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Will the stock M5 Style 65 18" wheels fit an E9? I know this one is a body swap car.


E9 wheels.png
 
An 8x17 is very close to the strut. I would say they would fit if you did the following.

Fronts:

1. Added adjustable camber plates
2. Added a 5mm spacer to the front
3. Ran 225 tires
4. Rolled the fenders

You are going to need a spacer to clear the strut. You need the negative camber for the spaced tire to clear the rolled fender. No idea about cycling the suspension while cornering, If you have room to spare on the strut size, get a thinner spacer (say 3mm).

Rears:

Should fit fine…
 
the only other option that i see is to change the struts to coilovers to lessen the spring diameter from 4" to 2.5". so here's my question - 18" is going to be a 30 series tire ... do you really want to drive around on rubber bands for tires? its not real comfortable.
 
the only other option that i see is to change the struts to coilovers to lessen the spring diameter from 4" to 2.5". so here's my question - 18" is going to be a 30 series tire ... do you really want to drive around on rubber bands for tires? its not real comfortable.

People say this frequently, but the lower front spring perch is already above the outer diameter of the tire. That perch is a fixed distance from the tire regardless of how the suspension is cycling. It simply isn’t part of the equation. If you rub, it will be the strut tube immediately below the perch.

It would matter with rear coilovers however:

1. E9’s have tons of room in the rear
2. E9 rear coils are separate from the shock and upgrading to coilovers is an endeavor (as @bdigel can attest).

IMG_3489.jpeg


Photo courtesy of @tferrer by way of BaT.
 
uhmm, ehrr ... i was talking about the fronts

Understood. I was speaking about the fronts, and posted a picture of a factory front strut. Front coilovers don’t give you more room. The diameter of the factory springs in no way affect tire or wheel clearance because they can’t interfere with one another. the spring is completely above the tire, and changing wheel size and offset doesn’t change your overall diameter.
 
I don't think you can go bigger than 17s in the front. A buddy of mine has a set of 17" Style 5s on his car and he tells me nothing bigger will fit.

20210301_150802.jpg
 
i think there is a 215/40-18 which is 24.8" in diameter ... the question is whether the 215 would fit in there - 8.6" wide / 7.2" tread width. i have 215/60-15's. there is also a 205/40-18, but its 24.4" diameter (a little smaller than stock diameter). the back size is a 245/35-18 ... its the correct 24.7" diameter, but 9.7" wide

the biggest downside to 18" wheels is there aren't a lot of narrow sizes made ... so limited choices.
 
This is what I got from Appalachian wheel.
 

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I run 16" wheels on both of my Coupes. Both have rolled fenders and the tires are the ones everyone uses for staggers. Under heavy cornering I have had my 16"s catch the SS fender hoops on Sahara. I think 18" wheels would be fine if you decided to only drive in a straight line, no cornering or spirited driving allowed.
Regards, Jon
 
In general it gets easier to go bigger. The strut is angled toward the engine compartment, so the larger the wheel diameter is, the further it is from the strut. Also, the lower the tire profile, the less sidewall bulge it has. If it is a very squared odd tread though you can rub where the spring perch is welded to the strut tube.

I know I don’t drive my car but I have had four sets of wheels on it. That included 17’s with 235’s up front. They fit better up front than in the rear…
 
Only my opinion but if you actually want to drive the car, the 18s with low profile tires will be absolute trash. The cars need the compliance of the tall period tires to feel comfortable and handle well at a clip. If you want to poodle to the cars and coffee and back home then yea, if you like that look.
 
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