02-01-2017, 10:56 AM | #45 | |
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At 18x9et36, the wheel and tire fit in a slight indentation in the stock strut body. Coilovers can only make it worse, e.g. by bringing the spring perch down, or by being round at that point .
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02-01-2017, 11:14 AM | #46 | ||
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Most from Europe will bring it down cause they use helper springs. Think it's a TUV certification thing.
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02-01-2017, 12:48 PM | #47 | |
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This does not just apply to APEX wheels, at this time I have yet to find an 9.5" wheel with an offset that works front and rear with that aggressive of a tire. Keep in mind, most enthusiasts do not want to run anything larger then 20mm spacers, and even a spacer of that thickness seems to put people off. 255 square is no problem, and your photo's are a great example that a true square 9.5" fitment can be used We have the ability to manufacture the ARC-8 in whatever offset the community desires, we just need to see that there is enough demand behind a fitment like that. This is a great discussion, and prompts me to look into our current EC-7 18x9.5" ET43 a bit more, as this could be used as a baseline. - Ryan
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02-01-2017, 01:05 PM | #48 |
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You haven't explained how you think a coilover would increase inner clearance vs. the stock strut. 18x9et36 has the wheel right up against the stock strut, below the perch. There's no more inner clearance to be had unless you use a strut with a smaller diameter.
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02-01-2017, 02:41 PM | #49 | |
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I don't mind running spacers on the track. Though I prefer not to if at all possible. But I think the advantage of my square setup outweighs the minimal risks if done properly. I use a 20mm spacer (15mm would work if I didn't have the remote reservoir to clear) w/extended 78mm studs and thread conversion to m14x1.5. Torque them to spec and should be fine....I hope EC-7 18x9.5" ET43 was my second choice, but it weighs a little more. My buddy runs those square as his track setup on his M2. Unfortunately, I don't think there is a big enough market for aggressive square fitments with the 2 series to justify making ARC8s in a +50.....but maybe a +45 which seems to be popular for 2series (rear). I would probably switch over if those were made. I think going with a coilover without a helper spring makes things much easier, but then you will probably have to go with a 3rd party camber plate as most of those types of coilovers will not come with a plate. Which is why I went with the KW Clubsports that come with the plates. Knew I was going to run a custom spring rate up front to match my square setup. So swapping to a shorter main spring was no issue for me. Good info here in this post for people hunting for square setups. There are lots of variables to consider!
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02-01-2017, 02:46 PM | #50 | |
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If it's the strut, correct, it will not matter Coilover strut might be thinner, but if it is it will be minimal. I edited my OP to ask about the spring, but probably not before you started your reply
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02-01-2017, 03:21 PM | #51 | |
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by the way: what makes you say that the OEM spring is progressive?
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02-01-2017, 03:42 PM | #52 | |
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EDIT: This is what I'm referring to:
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02-10-2017, 12:13 AM | #53 |
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Great thread and lots of info! Thank you!
If you were to sum it up for a 255 square and a 265 square set up, what would then be your suggestion for width and ET Ryan? Anthony? |
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02-10-2017, 10:03 AM | #54 | |
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I pieced together my setup based on what I thought was the most aggressive setup for the track, but can still be used as a daily driver (no weird noises from 3rd party camber plates, no crazy rubbing). You can save money by going with a different square setup. Springs, camber plates, 9" or 8.5" wheels, 255 square. That will be fine for most people and save money. Still a blast on the track I'm sure.
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02-10-2017, 03:23 PM | #55 |
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Budget is no problem. Wanted to do a 19" square and test the new pilot 4s as well as the cup2. 4s not available in 18" and cup not in a 255/18 either. Wanted to take advantage of apex 19" sale and try a 19x9 et38 arc8, but apex did not think it could be done. I thought it would since I have coilovers and camberplates, but it is a long way to order something that might not work.
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02-10-2017, 04:36 PM | #56 |
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Budget is no problem. Wanted to do a 19" square and test the new pilot 4s as well as the cup2. 4s not available in 18" and cup not in a 255/18 either. Wanted to take advantage of apex 19" sale and try a 19x9 et38 arc8, but apex did not think it could be done. I thought it would since I have coilovers and camberplates, but it is a long way to order something that might not work.
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02-10-2017, 05:42 PM | #57 | |
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Apex has a very good understanding what will work when it comes to their wheel sizes.
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02-11-2017, 02:07 AM | #58 | |
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02-13-2017, 10:01 AM | #59 | |
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I would not base your wheel selection on those two tires. Plenty of alternatives. One of the big reasons why the industry has moved to 18s from 17s years ago is because brakes have gotten bigger and you need 18s to clear the new brakes on performance cars. All things being equal 19s will hurt the performance of your m235. My buddy goes with 18" for his square track setup on his m2. Post pics of your setup when you get the wheels in. EDIT: read the part where you didn't even order the square setup. Lol we don't need that negativity here. Square club only in this thread
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02-14-2017, 02:20 AM | #60 | |
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02-14-2017, 09:56 AM | #62 | |
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02-14-2017, 05:35 PM | #63 |
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It will poke too much in the rear and won't clear the fender in the front unless you run camber plates, roll the fenders, or both.
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02-15-2017, 03:08 PM | #64 | ||
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The rear is also going to need some camber dialed in, and we recommend rolling the rear fenders a touch to be sure you are maximizing clearance under load in mid-corner etc. - Ryan
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02-15-2017, 09:53 PM | #65 | |
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02-15-2017, 11:28 PM | #66 |
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Best to understand your goals for the car first. Will this be a 100% street car, or will it see any track time?
- Ryan
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