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View Full Version : Should I take a die grinder to my wheel?



IanBMW
07-05-2007, 11:21 PM
Take a look at these 10mm spacers I need for the front.

http://www.pbase.com/ianbmw/image/81754546.jpg

The green part is a beveled edge that is normally on you're hubcentric BMW wheel.

My forgeline wheel does not have this, it's just straight cut. So my question is should I risk grinding my front wheels to adapt for this, otherwise the spacer sits off of the wheel by 3mm and it doesn't look safe to mount?

:confused:confused:confused:confused:confused:shif ty

Mister X
07-05-2007, 11:30 PM
Would it not make more sense to grind the spacer?

But if it were me, I'd just get different spacers.

addnon
07-05-2007, 11:41 PM
grinding forgelines?! I hope you're an expert!

IanBMW
07-06-2007, 12:33 AM
grinding forgelines?! I hope you're an expert!

I know :( I'm not, and now that I think about it, I could potentially hurt the resale. This BLOWS extremely. I have a AutoX this weekend I've been dying to try out the new tires. I doubt that I can get my money back on the spacers, so I guess I'll try to grind them down, or atleast call them and ask.

Tronix
07-06-2007, 08:49 AM
Find a local machine shop and have them remove the bevel from the spacers. Shouldn't cost much.

BMWdisease
07-06-2007, 10:21 AM
Find a local machine shop and have them remove the bevel from the spacers. Shouldn't cost much.

If you do this, does the remaining raised cylindrical portion of the spacer have a precise machined fit in your new wheels? If not, how are you going to achieve a concentric fit wheel to hub? It would be ashame to hope that beveled lugs alone would "get you close" - especially if you're autocrossing.

I've been through these kinds of snags before too; no fun, but it sounds like spending more money for the correct spacers is the correct way to go.

Good luck

IanBMW
07-06-2007, 02:20 PM
If you do this, does the remaining raised cylindrical portion of the spacer have a precise machined fit in your new wheels? If not, how are you going to achieve a concentric fit wheel to hub? It would be ashame to hope that beveled lugs alone would "get you close" - especially if you're autocrossing.

I've been through these kinds of snags before too; no fun, but it sounds like spending more money for the correct spacers is the correct way to go.

Good luck

It actually has a perfect fit for the concentric hub. As far as machine shops go though, I find they are typically very expensive.

S.Lang
07-06-2007, 03:33 PM
It actually has a perfect fit for the concentric hub. As far as machine shops go though, I find they are typically very expensive.

I bet they're not as expensive as the body shop bill when your wheel bolts fail and the wheel comes off the car.

You know, sometime you really do get what you pay for....unlike with those spacers.

fcvapor05
07-06-2007, 08:08 PM
Just take it to a machine shop, and have them undercut the corner where the bevel is located. It should not cost very much, and they shouldnt have to touch the collar that the wheels fit over.

IanBMW
07-06-2007, 09:04 PM
Relooked at the spacers and they definitively cannot be modified. Bummer it looks like I will be doing the wheels.

nickmpower
07-06-2007, 09:58 PM
new spacers jesus

Daved
07-07-2007, 04:21 PM
new spacers jesus
Yeah, the easiest solution would be getting the right spacers for that wheels.

And ultimate solution IMO would be getting some wheels with the right offset so you don't need spacers at all.

IanBMW
07-07-2007, 11:27 PM
Yeah, the easiest solution would be getting the right spacers for that wheels.

And ultimate solution IMO would be getting some wheels with the right offset so you don't need spacers at all.

The right spacers would be Camaro spacers with no hubcentric ring or whatever. Not a route I want to go. Other option is getting smaller more proven tire sizes up front, again another option I don't want to go. I'll post up what I end up doing with impressions later. :D

IanBMW
07-10-2007, 10:49 PM
Alrighty, well turns out a Side Grinder is easier to use. Anyhow, put them on......worked great. Even tossed one on a balancing machine to see if you guys knew better. Didn't change a thing, considering how little I had to take off it was no big deal as I thought. Car handles amazing, I will test it at a couple of AutoX. If I post back with my car wrecked you'll know whats up. haha.

ETM
10-18-2007, 10:55 PM
With a 10mm spacer, the depth of the inner bore and the removal of the outer bevel, you will have very little material holding the outer ring to the base of the spacer. It will eventually break off. I recommend a 13mm spacer is if you want to remove the bevel.

GH41
10-19-2007, 04:51 PM
He's got to be kidding!! GH