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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 01-10-2013, 10:03 AM   #1
E46M3AlpineWImolaR
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Join Date: May 2011
Location: maryland
Posts: 1
My Ride: E46 M3
Advice on Spacers and Handling

Hi Everybody,
So I am about to put my billsteins PSS9 coilovers back onto my M and I wanted to hear everybody’s advise on adding spacers as well. I have really been enjoying the wider stance and the flush fender look I see on some other people’s cars on the forums. I have the OEM 19 inch rims on Bridgestone Potenza RE050A 235/40/19 F and 265/35/19 R. Reading around some of the other posts about spacers, it seems that a lot of people are going wider up front then they are in the back. I read a couple 12 rear and 15 fronts or even 15 rear 18 fronts. I am guessing its from the ratio of the width of the front tires and that wheel well. My real question is what is the closest I can get my rims to being flush with the fender without adversely affecting handling. My concern is that changing the stance/offset with an uneven ratio may change the way the car handles. My buddy says that it’s so miniscule that I wouldn’t even notice, but was curious if anyone had any insight on this? I am willing to sacrifice some of the flush (mm here or there) look to maintain the great handling I currently have. Thanks for your help.
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Old 01-10-2013, 02:57 PM   #2
helmutm3
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Join Date: Oct 2012
Location: frankfort IL
Posts: 494
My Ride: 04 m3
Quote:
Originally Posted by E46M3AlpineWImolaR View Post
Hi Everybody,
So I am about to put my billsteins PSS9 coilovers back onto my M and I wanted to hear everybody’s advise on adding spacers as well. I have really been enjoying the wider stance and the flush fender look I see on some other people’s cars on the forums. I have the OEM 19 inch rims on Bridgestone Potenza RE050A 235/40/19 F and 265/35/19 R. Reading around some of the other posts about spacers, it seems that a lot of people are going wider up front then they are in the back. I read a couple 12 rear and 15 fronts or even 15 rear 18 fronts. I am guessing its from the ratio of the width of the front tires and that wheel well. My real question is what is the closest I can get my rims to being flush with the fender without adversely affecting handling. My concern is that changing the stance/offset with an uneven ratio may change the way the car handles. My buddy says that it’s so miniscule that I wouldn’t even notice, but was curious if anyone had any insight on this? I am willing to sacrifice some of the flush (mm here or there) look to maintain the great handling I currently have. Thanks for your help.

Dont know the ins and outs of this, but I have 20mm spacers up front on oem 19s (its still not flush btw) and the handling is fine. Its probably no different then getting wheels with less backspace and people do it all the time. Im waiting to roll my fenders and install 18mm in the rear. I would say that adding a 15mm front 12mm rear would make the handling better if anythng. Unless I am totally wrong on this.
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