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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Photo/Video/Media Gallery > Building 18" BBS RS for my e91...will update progress



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      04-20-2016, 10:45 PM   #1
bsmoov
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Building 18" BBS RS for my e91...will update progress

Building a set of BBS RS

Original set is 16x7.5 et30

Will be 18x9.5 et30 fronts and 18x9.5 et18 rear on my pre LCI e91







They will go on this:




Has anyone ran a setup like this before? I had to keep it square 9.5 due to awd xi...
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      04-20-2016, 11:31 PM   #2
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You dont need to keep it square. As long as its less than 1% different you are good to go. E.g. 225/40/18 (front) + 255/35R18 (rear) thats 0.4%.

Thats a really aggressive setup for the rear... ET18 + 9.5 wide, probably stick out so much. FYI the lower the offset, the faster the wheel bearings are going to rear out.
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Last edited by Black widow; 04-20-2016 at 11:38 PM.
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      04-20-2016, 11:56 PM   #3
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I'd figure the rear would be aggressive, but some people ran 9.5 et20 on pre LCI rears and made it work...

I'm going to pull/roll the rears.

Fronts I should be good right?
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      04-21-2016, 12:31 AM   #4
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Quote:
Originally Posted by bsmoov View Post
I'd figure the rear would be aggressive, but some people ran 9.5 et20 on pre LCI rears and made it work...

I'm going to pull/roll the rears.

Fronts I should be good right?
Yea ET30 for front is good for sure!
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      04-21-2016, 04:54 AM   #5
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Aw ya, that's gonna be sick. I love basket weave wheels, especially on wagons. Gonna be a huge improvement over stock, but yeah, those offsets are really aggressive. Hopefully it works out okay.
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      04-21-2016, 07:40 AM   #6
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Rear doesn't seem very aggressive to me? I've got an 18x9.5 et45 and it tucks a good 20mm, so et18 will be prime for a nice arch between lip and tyre fitment. You'd probably need to run something like a 215 to get the stretch to make it work though, depending on what spring rate you're running.

When doing things like stretch, it's much easier just to keep a square setup.
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      04-21-2016, 07:43 AM   #7
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You are pre-lci, you have a narrower rear, more room for wheels and tires, which helps. Do AWD cars have less room?
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      04-21-2016, 08:38 AM   #8
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I will have to keep an eye on this one....have fun!
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      04-21-2016, 09:01 AM   #9
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Digitalize: that's what I thought. It was either 9.5 et30 (2 inch lips) square in the rear and get spacers or roll the dice with 9.5 et18 (2.5 inch lips) with no spacer and 225 tires stretched...

I get a bigger lip in the rear and I don't have to run spacers...win + win, right???

Ruddigger: I'm not sure if xi has more or less clearance. I do know pre LCI rears have a wider space tho, which is why I went this route. Upon looking, the rear has a lot more space than the fronts...
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      04-21-2016, 04:33 PM   #10
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Im running 11x18 et26 with 255/35. A little Fender work and your 9,5 will fit easy.
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      04-21-2016, 06:23 PM   #11
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Strong work! Those rims are classic BMW, before they catered to the Barney's New York market (no diss against shopping at Barney's, I do). But they remind me of BMW's glory days, when they built race cars that happened to be street legal, too. Nice!
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      04-21-2016, 07:36 PM   #12
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The goal is to have them look like these:




Polished lips and silver faces
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      04-21-2016, 08:37 PM   #13
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I don't know about xi and fitment, but yeah I have a lot more space rear than front.

I'm honestly not a fan of 2" step up, my friend runs Wheel Unique in the UK and does a lot of step ups, actually has some 17-18" stepped RS. I know why you're starting with a 16 though, much cheaper.

Don't cheap out on the step up kit, I can't remember the supplier he trusts, but cheaper ones just crack all the time, a friends 17-18 RFs have cracked barrels.
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      04-21-2016, 09:07 PM   #14
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I got my lips and barrels from vrwheels.

They are strong AF and forged.

I know about the cheaper suppliers and I avoid them like the plague
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      04-22-2016, 09:52 AM   #15
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That's the name, VR Wheels, supposed to be very good. Looking forward to seeing these done!
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      04-24-2016, 04:31 PM   #16
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A little update:



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      04-25-2016, 01:14 AM   #17
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Coming along well.
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TiAg FTW!
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      04-25-2016, 11:19 AM   #18
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Looking to get some bbs rs 18s soon so I am very much interested in seeing your end result.
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      04-26-2016, 09:22 AM   #19
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Nice looking good so far I believe theres a bagged e90 with the same slant lipped BBS RS. forgot which tread he posted in , maybe the do you even stance thread
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BBS CH for sale
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      05-09-2016, 10:58 AM   #20
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Almost done...





Sneak peak:



Putting them together:




I still have to put all the wheels together, torque them down, and seal them...
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      05-09-2016, 11:33 AM   #21
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Looks good, but boy that's a lot of step.
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      05-09-2016, 12:10 PM   #22
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Quote:
Originally Posted by bsmoov View Post
Almost done...





Sneak peak:



Putting them together:




I still have to put all the wheels together, torque them down, and seal them...
Looking good. What did you use for paint?
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