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18x8 ET 57 with 245/40/18 and 18x9 ET 43 with 285/35/18 - will I need spacers? 18x8 ET 57 with 245/40/18 and 18x9 ET 43 with 285/35/18 - will I need spacers?
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Old 01-29-2015, 12:19 PM   #6
WALDMEISTER
 
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Join Date: Sep 2013
Location: Germany
Posts: 1,381
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this website came in handy, when i was prepareing my Fuchsfelgen project...
1010TIRES.COM - Wheel Offset Calculator

In the end several factors determine the spacers you need...

wheel size
tire size / brand
suspension type

As far as i heard, a tire size smaller than recommended for the wheel is kinda "okay"... a size bigger than recommended "troublesome".

Mine:
Front 8J x 18 ET52 --> 5mm spacers = ET47 (within oem range) --> Conti 225/40ZR18
Rear 10J x 18 ET65 --> 18mm spacers = ET47 (within oem range) --> Conti 265/35ZR18
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Last edited by BRAN; 01-29-2015 at 12:33 PM.
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