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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Sep-05-2014, 02:45:19 PM   #1
Mr. Wolfe
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Default Ultimate Alignment Specs?

Would like to gather some opinions here on your alignment specs and the main purpose of your car. Basically, I am looking for the ultimate aggressive-street alignment. By that I mean, I want the best handling characteristics without the car being a handful or uneven tire wear etc. I am looking for the set up that would allow you to drive the car a couple days a week and hit the track on the weekend.

Please share your alignment specs and the main functionality of your car.

TIA,
Mr. Wolfe
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Old Fri, Sep-05-2014, 02:46:28 PM   #2
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Default Re: Ultimate Alignment Specs?

In. Good fred idea
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Old Fri, Sep-05-2014, 02:50:48 PM   #3
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Default Re: Ultimate Alignment Specs?

Also in. Need this info
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I like it on mine, tips didn't line up perfect, but good enough. Its off a newer car that makes more power so I know it makes more power on my car.

You can make a custom flange to connect it to your stock header with JB weld.

Sound is an 8/10, I was expecting it to sound like a V8 since its a V8 exhaust. It doesn't, anybody know why this is? Does it have to do with how I installed it?
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Old Fri, Sep-05-2014, 03:09:02 PM   #4
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Default Re: Ultimate Alignment Specs?

Different settings for different driving patterns and different people. Many differing and contradictory numbers, all posted with authority!
I'll skip the specifics...
Avoid toe out for the street. The loss of tire life is massive for a minimal gain in track turn in. Avoid too little toe in (or toe out at all!) in the rear, it'll make the car 'entertaining' to drive at all times.
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Old Fri, Sep-05-2014, 03:09:12 PM   #5
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Default Re: Ultimate Alignment Specs?

I usually just use this.

http://forums.bimmerforums.com/forum...or-your-E36-M3
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Old Fri, Sep-05-2014, 03:25:44 PM   #6
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Default Re: Ultimate Alignment Specs?

Quote:
Originally Posted by nowanker View Post
Avoid toe out for the street. The loss of tire life is massive for a minimal gain in track turn in. Avoid too little toe in (or toe out at all!) in the rear, it'll make the car 'entertaining' to drive at all times.
I'm a little noobie when it comes to alignment, could you explain this a little better? like what numbers i should set the alignment to?
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Old Fri, Sep-05-2014, 03:27:42 PM   #7
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Default Re: Ultimate Alignment Specs?

The thing is there is no ultimate alignment for everyone. Alignment is one of those great ways you can tweak the car to make it handle the way *you* like. There are different tradeoffs.

Anyway, I'll post what I've got.

This summer I'm doing a track day every other weekend, so I've just left the car in track alignment :

Front
-3.15 camber
1/32 toe out

Rear
-2.0 camber
3/16 toe in

Impressions :
corner grip is amazing
turn in is very lively
hands must be on the wheel at all times
not for use commuting or long highway trips

I think most people would hate that alignment on the street. Personally I like it, I like the wheel to be alive. Coming from a 911 I hated the way the M3 steering felt very dead and self-centering. I don't mind having to concentrate and steer all the time.

After the last track day I'll go to a winter alignment :

Front :
-2.2 camber
0 toe

Rear :
-1.6 camber
3/16 toe in

I suspect most people would prefer a slight toe in on the front, like 1/16 toe in for more self-centering and relaxed cruising.
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Old Fri, Sep-05-2014, 03:35:46 PM   #8
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Default Re: Ultimate Alignment Specs?

My setup (off the top of my head so I may make some changes):

Front:

-2.75 Camber
1/16 Toe Out

Rear:

-1.8 Camber
3/16 Toe In

I use this for autox, track days and mostly daily driving. Tire wear up front is minimal (surprising) and the tire wear in the rear is a little more than usual, but the toe can be reduced to lessen this I'm sure and have been told. Great setup, pretty controllable and has less understeer than the stock setup. But still understeers if you have a staggered setup.
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Old Fri, Sep-05-2014, 03:57:18 PM   #9
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Default Re: Ultimate Alignment Specs?

I usually ask for CSL specs at my alignment shop as my car is slightly lowered. Cant go wrong with CSL alignment.
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Old Fri, Sep-05-2014, 04:08:05 PM   #10
Mr. Wolfe
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Default Re: Ultimate Alignment Specs?

Thanks everyone for your input.

I think whenever you give your alignment specs and explain how you use your car, many members can find what best suits them. I understand everyone's "ultimate alignment specs" will be different, but I am in hopes to find what fits me - or at least a starting point.

aspa. would you mind posting a picture of your car at your current track alignment? Thanks.

Mr. Wolfe
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Discussing Ultimate Alignment Specs? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)