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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 06-26-2014, 03:21 AM   #1
BMA747
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Suggested wheel alignment

Hi there, I've just purchase a set of 19" wheels 10"rear and 8.5" front and will be getting an alignment this week. With the previous stock 19's I had on the car felt a little understeery and squared off very abruptly after a little power slide. I'm hoping to achieve a bit more balance in the handling, does anyone have any suggestions with alignment values I can try out? (I do have Bilstein shocks btw) I do plan on tracking it from time to time but mainly street driving.
Thanks


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Old 06-26-2014, 09:49 PM   #2
Teslazerok
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8.5" front and 10" rear = understeer

Alignment won't really change that much.
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Old 07-02-2014, 10:47 AM   #3
api
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You are still going to have understeer because of the staggered wheel sizes. You can ask the shop who is doing the alignment to adjust your toe but you will then have a car that turns faster but darts when driving in a straight line. I would recommend just having a stock alignment set and use the staggered setup as a tool to learn how not to overdrive the car.

You could increase air pressure to the rear tires to get them to break free more and get the car to rotate in corners faster. It would not take too much air pressure increase to do this. I would not suggest this though as you can cause uneven wear on the tires.

Like I said, use it as a tool for now because when the car pushes you know you are overdriving the tires. You could always sell the fronts and buy another set of 10s for the front.

Hope that helps.
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MODS: 03 M3, 6MT, PSS9, AFE Intake, Euro Ceramic Coated Headers, El Diablo Exhaust, Turner Motorsports Rear Adjustable Camber Arms, AKG Diff and Subframe bushings, PowerFlex suspension bushings, Sub-frame Reinforcement, 18'x9' square setup & one driver that grins ear to ear everytime he is driving it
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Old 07-02-2014, 05:19 PM   #4
BMA747
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Thanks api, so ill be correct saying an even/squared set up achieves better handling and car balance?
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Old 07-02-2014, 05:42 PM   #5
Teslazerok
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A squared set up is definitely the way to go if you want to get rid of understeer.
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Old 07-02-2014, 08:31 PM   #6
api
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You will be amazed at how neutral the car feels with a square setup. I would suggest trying this out at an auto-x or track event. I loved my staggered 19" for appearance but the square 18" handle so much better.
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Old 07-02-2014, 10:32 PM   #7
BMA747
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Damn and I just bought new wheels, I'm still going to play with toe and camber adjustments to try and reduce the sudden squaring of the rear, I've been reading suggestions such as less camber and toe in the front an less toe in the rear.
Does anybody have a ball point baseline setup I could try?
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Old 07-02-2014, 11:09 PM   #8
Teslazerok
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This will give you a ballpark idea.

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Old 07-03-2014, 03:26 AM   #9
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Thanks tez, ill add this to some research I've done
Cheers
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