Weight OEM vs. CSL wheels

A

Argenta

Senior member
Dunno if I've seen one before..
So I took out the bathrrom scale. Here goes:

OEM:
Slightly worn (60-70%) Michelin Pilot Sport
235/40-18 & 265/35-18

Average weight
Fronts: 22.4kg
Rears: 24.4kg

CSL (Atomic reps from BM Autosport):
Almost new Michelin Supersport
235/35-19 & 265/35-19.

Average weight
Fronts: 22,25kg
Rears: 23.4kg

So despite being 19" they're actually not heavier than OEM. :)
People will notice my OEM wheels have wider tires but they are also smaller diameter so in reality should be lighter than std 225/255 ones.
And the rear CSL's has 265/35-19 which are heavier than 265/30-19.
Anyway for comparing 18" and 19" the same width seems logical.
 
Found this thread on an E46 M3 Forum
http://forum.e46fanatics.com/showthread.php?t=652593

OEM 18 are made by Ronal
Gravity Cast
18x8 et 47 24.7 lbs
18x9 et 26 26.9 lbs

OEM 19 are made by Fuchs
Forged
19x8 et 47 27.8 lbs
19x9.5 et 27 29.2 lbs

OEM CSL/ZCP are made by BBS Germany (not Japan)
Slow Form Cast
19x8 et 47 23.0 lbs
19x9.5 et 27 24.2 lbs
 
Ive used the bathroom scales before for this too :wink:
224 front with tyre 21.4kg
224 rear with tyre 24.1kg
Standard sizes Continental approx 20% worn

CSL front with tyre 20.8kg
CSL rear with tyre 22.5kg
With new MPSS 235/30/19 & 265/30/19
 
Seems very similar! :)
(having in mind you have smaller/lighter 19" tires)
And those were OEM CSL's?

I only did my Atomic CSL's as new, without tires:
Front: 12.1kg
Rear: 12.4kg

Seems you don't save that much weight using OEM CSL's.
 
Yes gen CSL's :thumbsup:
I didn't do it for the weight saving as it's almost insignificant and I'd be surprised if anyone could notice the difference, I changed because they are one of the best looking rims.......... ever :P
 
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