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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Forged BBS (VeryLight)



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      08-05-2006, 06:22 AM   #1
achtung
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Forged BBS (VeryLight)

Hey Guys

Check this out:
http://www.bbs-japan.co.jp/appli/appli_i04.html
You do not need to install the Japanese language pack, it is still readable. Just click on E90.

I wanna reduce my unsprung weight as much as possible and the Forged Magensium BBS (RG-R) looks like its the way to go but my wallet is going to take a big hit.......

Does anyone know what is the bore for E90? Is it 72.5?
What is PFS bore?


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      08-05-2006, 06:44 AM   #2
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center bore is 72.5
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      08-05-2006, 12:40 PM   #3
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Quote:
Originally Posted by achtung
Hey Guys

Check this out:
http://www.bbs-japan.co.jp/appli/appli_i04.html
You do not need to install the Japanese language pack, it is still readable. Just click on E90.

I wanna reduce my unsprung weight as much as possible and the Forged Magensium BBS (RG-R) looks like its the way to go but my wallet is going to take a big hit.......

Does anyone know what is the bore for E90? Is it 72.5?
What is PFS bore?


Cheers
achtung
How do you know the RG-R are magnesium?
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      08-05-2006, 02:15 PM   #4
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Wow.. they offered LM, RE, & RS-GT in 20".. I thought BBS only has 19" max.. Can someone try the 20" BBS?
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      08-05-2006, 02:25 PM   #5
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I see that the LM in 20" is not made for BMW ( not 5-120)
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      08-05-2006, 02:35 PM   #6
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Quote:
Originally Posted by remmib
I see that the LM in 20" is not made for BMW ( not 5-120)
That's rite.. only RE & RS-GT avail for BMW..
too bad it's only with 5 series offset..
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      08-05-2006, 03:04 PM   #7
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i remember when i was looking at wheels, i was studying so many options. the really light ones were sometimes hard to look at, but I thought the BBS RGR was IDEAL. It looks hot, and its ultra light. I think its a really good choice, though I heard it was $$$. Awesome wheel though, both in looks and weight
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      08-05-2006, 03:19 PM   #8
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center bore? unsprung weight?
explanation please hehehe, sorry i'm such a noob at these stuffs
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      08-05-2006, 03:23 PM   #9
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I was too, then some good people here directed me to this link: http://en.wikipedia.org/wiki/Unsprung_weight

Makes it easy to understand, and you'll see the obvious benefits.

Quote:
Originally Posted by aapriadi
center bore? unsprung weight?
explanation please hehehe, sorry i'm such a noob at these stuffs
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      08-05-2006, 03:36 PM   #10
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thanks man
damn it all sounds scientific, i'll read it in my spare time
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      08-06-2006, 01:18 AM   #11
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Quote:
Originally Posted by Asiann
center bore is 72.5

Thanks!
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      08-06-2006, 01:20 AM   #12
achtung
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Quote:
Originally Posted by remmib
How do you know the RG-R are magnesium?

My bad......
http://www.bbs-japan.co.jp/pro/pro_i.html
Based on the above link, the RG-R are forged aluminium. Onlythe RE-Mg are forged Magnesium. Just look at the weight
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      08-06-2006, 01:23 AM   #13
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Quote:
Originally Posted by aapriadi
center bore? unsprung weight?
explanation please hehehe, sorry i'm such a noob at these stuffs

One of the best explanation for unsprung weight:
http://hondaswap.com/general-tech-ar...art-1-a-29057/
http://hondaswap.com/general-tech-ar...art-2-a-29058/


Centre bore, I believe is the hole in the middle of the wheel
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      08-06-2006, 08:38 AM   #14
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Quote:
Originally Posted by achtung
My bad......
http://www.bbs-japan.co.jp/pro/pro_i.html
Based on the above link, the RG-R are forged aluminium. Onlythe RE-Mg are forged Magnesium. Just look at the weight
Wow those are light
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