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Help with CSL & Tires

Posted: Mon Jan 09, 2017 10:57 am
by rhapsodicboom
Hey guys,

I'm trying to decide which csl to go for on my coupe si

I've decided between these two from cmwheels and bmautosport however rears for bmauto are different being et45 instead of et40 from cmwheels. what does that mean ?
once wheelks are on id like to add lowering springs without having scarping arches or rolling them.
are quality on both of these similar

http://www.bmautosport.co.uk/showroom/p ... 134_46_298

http://www.cmwheels.com/index.php?route ... ct_id=1219

Thanks!

Help with CSL & Tires

Posted: Mon Jan 09, 2017 11:10 am
by mr wilks
PM either "jamiez4" or "z4pilot" who bought Jamie's CSL reps
Both were fitted on Si coupes , what is most critical to avoid the arch rub is go 225 35 on the front tyre as opposed to 235 35

Pic here of z4pilots Montego blue car (has been lowered ) on 19inch CSL reps :thumbsup:

Image

Help with CSL & Tires

Posted: Mon Jan 09, 2017 12:25 pm
by Buckz
235 seems fine on mine without lowering on the front! but you do plan to lower so go with 225.

Help with CSL & Tires

Posted: Mon Jan 09, 2017 2:23 pm
by STUBOY2UK
I would go for the Atomics, at least they have a brand name. The paint job on the reps I bought from CM Wheels was so bad I ended up having them re-done after a couple of months.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 12:05 pm
by rhapsodicboom
Buckz wrote:235 seems fine on mine without lowering on the front! but you do plan to lower so go with 225.


thanks guys , I might just get 235 if it looks good then.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 12:08 pm
by STUBOY2UK
I've got ET38 on 8.5j on the front, the same as the Atomics you're looking at. I run 235/35/19, lowered on Eibachs and there's no rubbing. 225/35/19 looked a little too stretched for my personal preference.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 12:16 pm
by mr wilks
STUBOY2UK wrote:I've got ET38 on 8.5j on the front, the same as the Atomics you're looking at. I run 235/35/19, lowered on Eibachs and there's no rubbing. 225/35/19 looked a little too stretched for my personal preference.


Is yours a roadster or coupe ?
Its a really fine margin as to whether they catch or not but i know at least 2 forum guys with coupes on those alloys that rubbed with 235 35 19s after lowering :?

Help with CSL & Tires

Posted: Wed Jan 11, 2017 12:25 pm
by STUBOY2UK
Mine's a roadster. I had 5mm spacers on at first so the offset would have been ET33 and it did rub, however I took the spacers off making it ET38 and haven't noticed any rubbing since.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 5:59 pm
by z4pilot
mr wilks wrote:PM either "jamiez4" or "z4pilot" who bought Jamie's CSL reps
Both were fitted on Si coupes , what is most critical to avoid the arch rub is go 225 35 on the front tyre as opposed to 235 35

Pic here of z4pilots Montego blue car (has been lowered ) on 19inch CSL reps :thumbsup:

Image


Yep, I can confirm that on Eibach's I got a fair bit of rubbing with 235 tyres, so switched to 225. StigJ also runs 225 on 8.5 width fronts - they are very slightly stretched, but it's not very noticeable. It stopped 99% of the rubbing, although I do get a tiny bit on sharp dips - the sort where there's been subsidence of the road surface. Specs on the wheels are; Atomic CSL reps, 8.5 ET 38 fronts, 9.5 ET33 rears. Rears are very flush with the arches, but I've no rubbing whatsoever at the back. Quality of the wheels seems pretty good - no issues with the paint quality.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 6:20 pm
by STUBOY2UK
z4pilot wrote:Yep, I can confirm that on Eibach's I got a fair bit of rubbing with 235 tyres, so switched to 225. StigJ also runs 225 on 8.5 width fronts - they are very slightly stretched, but it's not very noticeable. It stopped 99% of the rubbing, although I do get a tiny bit on sharp dips - the sort where there's been subsidence of the road surface. Specs on the wheels are; Atomic CSL reps, 8.5 ET 38 fronts, 9.5 ET33 rears. Rears are very flush with the arches, but I've no rubbing whatsoever at the back. Quality of the wheels seems pretty good - no issues with the paint quality.

What tyres do you run on the back? I had very slight rubbing with my 265/30/19 at ET35, took the spacers off and returned to ET40- no more rubbing.

Help with CSL & Tires

Posted: Wed Jan 11, 2017 7:13 pm
by z4pilot
STUBOY2UK wrote:
z4pilot wrote:Yep, I can confirm that on Eibach's I got a fair bit of rubbing with 235 tyres, so switched to 225. StigJ also runs 225 on 8.5 width fronts - they are very slightly stretched, but it's not very noticeable. It stopped 99% of the rubbing, although I do get a tiny bit on sharp dips - the sort where there's been subsidence of the road surface. Specs on the wheels are; Atomic CSL reps, 8.5 ET 38 fronts, 9.5 ET33 rears. Rears are very flush with the arches, but I've no rubbing whatsoever at the back. Quality of the wheels seems pretty good - no issues with the paint quality.

What tyres do you run on the back? I had very slight rubbing with my 265/30/19 at ET35, took the spacers off and returned to ET40- no more rubbing.


I'm running the same tyre specs as yourself at the rear. I have had an alignment done though, so it's running a fair bit of camber at the back - perhaps that has helped avoid rubbing? Just goes to show that when you push the wheels to the edges, production tolerances of mm's really come into play - some cars get away with it and some don't... I don't think JamieZ4 had any issues at the rear either with these wheels when he had them on his coupe. Wore through his arch liners at the front though with 235's lowered on H&R springs :P

Help with CSL & Tires

Posted: Fri Jan 13, 2017 10:15 am
by rhapsodicboom
Thanks guys, ill upload some pics when I get these soon. :)

Help with CSL & Tires

Posted: Tue Jan 17, 2017 12:20 pm
by rhapsodicboom
What tires would you recommend for these alloys I cant seem to find goodyear f1 3 for front and back for these sizes, As im not lowering atm recommendation seems:

bmautosport supply and fit tires too but a lot of them are Nankang. Would I be looking at around £700 for tires ?

Front: 235/35/19
Back 265:30/19

Help with CSL & Tires

Posted: Tue Jan 17, 2017 12:41 pm
by bmwaddict
Camskill have the Goodyear Eagle F1 Assymetric 2 for the sizes you're looking for. Great all weather tyre, use them on my zed which is my daily. They do have quite a chunky profile though compared to Michelin and others, but lots of rim protector so that may be why. If it's just a dry weather car I'd go for Michelin Pilot Super Sport which are the best dry weather tyre in tests but not in the wet.

Help with CSL & Tires

Posted: Tue Jan 17, 2017 12:47 pm
by jamie_z4
rhapsodicboom wrote:What tires would you recommend for these alloys I cant seem to find goodyear f1 3 for front and back for these sizes, As im not lowering atm recommendation seems:

bmautosport supply and fit tires too but a lot of them are Nankang. Would I be looking at around £700 for tires ?

Front: 235/35/19
Back 265:30/19


Nexens are arguably the same as Nankang if not a bit better (n8000) i had them on my Z4 coupe now Z4 Pilot's car (pictured above) runs the same - they are very good for the money.

£700 just for tyres alone?

The Nexens cost me about £350 all round

http://www.ebay.co.uk/itm/Nexen-N8000-X ... SwwE5WWaV1

http://www.ebay.co.uk/itm/2x-New-265-30 ... Sw8d9Uvfzu