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Help with wheel offset

Old 09-22-2015, 02:36 AM
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My Ride: 2006 525i stick
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Default Help with wheel offset

Good morning
So I have a 2006 525i I have found some own 18" rims to replace my 17" so I understand the "IS" number is the offset and the current wheel I have is 20 and the new IS is 50 will there be a problem with fitment?

Last edited by Domrepkid; 09-22-2015 at 02:42 AM.
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Old 09-22-2015, 05:22 AM
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This link may give you some guidance. BMW 5 Series 2006 - Wheel & Tire Sizes, PCD, Offset and Rims specs - Wheel-Size.com.

Wheel offset is generally designated as "ET" and is generally stamped on the back of OEM rims as such. I'm not sure what "IS" refers to, unless that's what your wheel manufacturer calls it. As noted, the proper offset for your vehicle is ET 15, so if you have "20", I guess that works, but "50" definitely will not.
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Old 09-22-2015, 07:59 AM
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The pictures attached are
my rim info the second is the ones im looking at and a picture the seller does not know what vehicle the rims came from
Attached Thumbnails Help with wheel offset-fullsizerender.jpg   Help with wheel offset-fullsizerender-2.jpg   Help with wheel offset-img_1485.jpg   Help with wheel offset-img_2976.jpeg  

Last edited by Domrepkid; 09-22-2015 at 08:03 AM.
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Old 09-22-2015, 08:48 AM
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The second rim is Style 135, which does come with a 50 offset in OEM, but is intended for the M3. It also comes in ET 20, which, if the IS # is any indication, this ain't it. My guess is that the IS 50 won't fit your 525i.
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Old 09-22-2015, 01:43 PM
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thank jayarras i appreciate it i found a good site as well with all the styles All BMW wheel styles | BmwStyleWheels.com
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Old 09-23-2015, 01:44 PM
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ok i have 18mm spacers also so technically i can get a wheel with an offset up to 38?
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