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E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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  #1  
Old 10-08-2009, 07:58 PM
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Exclamation Sh*t, noob question here folks, offset....

My cousin found a set of brand new EVOKE rims, 17x7 for sale, only $100. The offset is +40mm, what would it take to get these on my 325i? Also, what size tires would I need, I'm figuring the fenders would need to be rolled (I searched for this my friends )... Not the coolest rims, but for $100 I'd rather not pass them up...
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  #2  
Old 10-08-2009, 08:25 PM
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tires i would run as close to a 215/45r17 as possible
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  #3  
Old 10-08-2009, 08:27 PM
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Originally Posted by downhiller View Post
tires i would run as close to a 215/45r17 as possible
Ok, I don't know much about offset, as a matter of fact, I have no idea what it is... is the +40 gonna be a problem with the brakes or anything?
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  #4  
Old 10-08-2009, 08:39 PM
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Quote:
Originally Posted by Ryans E39 View Post
Ok, I don't know much about offset, as a matter of fact, I have no idea what it is... is the +40 gonna be a problem with the brakes or anything?
while im not a fan of 17" rims at all (even though i currently run them), heres my experience: i run 205/40/17 tyres, offset is 42 and i have no rub at all on the inside (struts, steering rack, shocks etc) or outside (stock unrolled gaurds). I suggest though that you run spacers to push the wheels out abit to a rear wheel drive offset. you want about 15mm spacers if you can find them. dont buy aluminium spacers, use steel. i havent got said spacers because im putting 16" Hartge-BMW rims on once they are rebuilt
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  #5  
Old 10-08-2009, 08:48 PM
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Originally Posted by Ethrty View Post
while im not a fan of 17" rims at all (even though i currently run them), heres my experience: i run 205/40/17 tyres, offset is 42 and i have no rub at all on the inside (struts, steering rack, shocks etc) or outside (stock unrolled gaurds). I suggest though that you run spacers to push the wheels out abit to a rear wheel drive offset. you want about 15mm spacers if you can find them. dont buy aluminium spacers, use steel. i havent got said spacers because im putting 16" Hartge-BMW rims on once they are rebuilt
Thanks! What else would I need to make the spacers work (longer lugs?) The spacers that popped up were from Ebay ads...
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Old 10-08-2009, 09:01 PM
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offset/ needing spacers greatly depends on the wheel in question. i had 17x7 et40 and they rubbed rim hard in the front. had to put on spacers to even get the wheels to turn.

fwd rims look like crap no matter how hard you try with them. a wheel sunk a foot into the wheel well is just terrible. save that $100 fora set of rims that are better fitting.
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  #7  
Old 10-08-2009, 09:15 PM
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Quote:
Originally Posted by Ryans E39 View Post
Thanks! What else would I need to make the spacers work (longer lugs?) The spacers that popped up were from Ebay ads...
yeah you will need longer bolts... funnily enough ones that are 15mm longer

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Originally Posted by fcsteve View Post
i had 17x7 et40 and they rubbed rim hard in the front.
how does that work? thats exactly the same as my rims?
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  #8  
Old 10-08-2009, 09:22 PM
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Quote:
Originally Posted by Ethrty View Post
yeah you will need longer bolts... funnily enough ones that are 15mm longer



how does that work? thats exactly the same as my rims?
Perhaps I should get some frickin sleep

Thanks guys, you came through for the idiot with the noob question
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Old 10-08-2009, 09:28 PM
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Originally Posted by Ethrty View Post
how does that work? thats exactly the same as my rims?
different wheel design. the rims were hitting brakes just bolted on and were rubbing fenders when turned with 205/40 tires. suggested et for an e30 is 20.


.. and dont ever buy steel spacers. even if you are talking about some seriously heavy and over kill stainless steel.
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Old 10-08-2009, 09:58 PM
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Quote:
Originally Posted by fcsteve View Post
different wheel design. the rims were hitting brakes just bolted on and were rubbing fenders when turned with 205/40 tires. suggested et for an e30 is 20.


.. and dont ever buy steel spacers. even if you are talking about some seriously heavy and over kill stainless steel.
that makes sence

why is that? ive heard that aluminium are really bad because they can warp/bend easily, but steel wont?
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  #11  
Old 10-08-2009, 10:07 PM
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why is that? ive heard that aluminium are really bad because they can warp/bend easily, but steel wont?
never in my life heard of a wheel spacer bending. its bolted to the hub so your whole wheel face would have to bend. standard steel would rust and you run the risk of the wheel rusting to the spacer just like it can with wheel without spacers touching rusted rotors. stainless would be the best but are alot more rotational weight and are just heavy in general.
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  #12  
Old 10-08-2009, 10:17 PM
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Quote:
Originally Posted by fcsteve View Post
different wheel design. the rims were hitting brakes just bolted on and were rubbing fenders when turned with 205/40 tires. suggested et for an e30 is 20.


.. and dont ever buy steel spacers. even if you are talking about some seriously heavy and over kill stainless steel.
+1 i had steel spacers on my old e30 and the rusted straight to the wheel. Virtually impossible to get them off
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  #13  
Old 10-08-2009, 10:21 PM
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+1 i had steel spacers on my old e30 and the rusted straight to the wheel. Virtually impossible to get them off
yep, my bottle caps were rusted to my hubs when i got the bronzit. spent about an hour breaking 1/2 extensions just to get the bolts off. had to get a 4 foot steel bar to pry the wheels off. took forever.
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  #14  
Old 10-08-2009, 10:24 PM
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yep, my bottle caps were rusted to my hubs when i got the bronzit. spent about an hour breaking 1/2 extensions just to get the bolts off. had to get a 4 foot steel bar to pry the wheels off. took forever.
That really blows. What wheels are you running on that beast now?
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Old 10-08-2009, 10:34 PM
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That really blows. What wheels are you running on that beast now?
same bottle caps .. till i get my new suspension
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  #16  
Old 10-08-2009, 10:49 PM
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Quote:
Originally Posted by fcsteve View Post
never in my life heard of a wheel spacer bending. its bolted to the hub so your whole wheel face would have to bend. standard steel would rust and you run the risk of the wheel rusting to the spacer just like it can with wheel without spacers touching rusted rotors. stainless would be the best but are alot more rotational weight and are just heavy in general.
that makes sence them not bending now i think about it. so you would recommend aluminium? im not buying any anyways, but its a good thing to know
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Old 10-08-2009, 11:00 PM
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that makes sence them not bending now i think about it. so you would recommend aluminium? im not buying any anyways, but its a good thing to know
i dont really reccomend any spacers. id reccomend buying a wheel that fits. but if a person really has that desire to run them make sure they are hubcentric to the hub on the back and they have the hubcentric ring on thr front so the new wheels arent just resting on the bolts.
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Old 10-08-2009, 11:08 PM
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Quote:
Originally Posted by fcsteve View Post
i dont really reccomend any spacers. id reccomend buying a wheel that fits. but if a person really has that desire to run them make sure they are hubcentric to the hub on the back and they have the hubcentric ring on thr front so the new wheels arent just resting on the bolts.
i know that much! i remember hearing about a guy that didnt use those, and just use the studs to hold all the weight. cant remember if it was here or the Lada forums
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Old 10-08-2009, 11:13 PM
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i know that much! i remember hearing about a guy that didnt use those, and just use the studs to hold all the weight. cant remember if it was here or the Lada forums
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Old 10-08-2009, 11:14 PM
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hahaha that thing is f*cked
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  #21  
Old 10-09-2009, 11:25 AM
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Ok, here's an Ebay link to the same exact rims: LINK
I talked to the seller on Ebay, and he said that the E30 would need at least 13mm spacers to work, so I'd pick up some 15mm spacers (non steel).

....Now how do I figure out what size hub centric ring I would need, and where can I find bolts with the same thread/correct length?

Just noob Q after noob Q

For $100 I'd even consider using them as snow tires or something, just seems like too good of a deal to pass up...
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Old 10-09-2009, 11:38 AM
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ask him to measure the center bore. e30 hub is 57.1 mm. put the wheel on and throw a factory bolt on, see how much more threads you need compared to a bolt sticking uot of a bottle cap or stock weave.
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  #23  
Old 10-09-2009, 11:45 AM
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Quote:
Originally Posted by fcsteve View Post
ask him to measure the center bore. e30 hub is 57.1 mm. put the wheel on and throw a factory bolt on, see how much more threads you need compared to a bolt sticking uot of a bottle cap or stock weave.
The center bore is 73mm, so I would need some rings 15.9mm.

Is there a more scientific way to find bolt length than just a guesstimate?
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Old 10-09-2009, 12:00 PM
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Originally Posted by Ryans E39 View Post
The center bore is 73mm, so I would need some rings 15.9mm.

Is there a more scientific way to find bolt length than just a guesstimate?
you'd need a 57.1 - 73 mm ring.

http://www.1010tires.com/hubrings.asp

well size of the kits are limited. but lengths do vary through each wheel.
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  #25  
Old 10-09-2009, 01:21 PM
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go with Mercedes lug bolts you can look them up but i believe they are 17mm longer than standard e30s?
dont quote me on that but my buddy has a set of Honda rims he runs autocross with and he has aluminum spacers and is using Mercedes lug bolts from the junkyard
(not that i would ever suggest putting Mercedes parts on a BMW, although the new tata nano has alot of BMW parts so....)
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