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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > alignment specifications



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      09-12-2010, 01:13 AM   #1
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alignment specifications

Hey guys, my car barely reached 10,000 miles this month and I recently had a set of kw v2s installed so I'm looking to get an alignment done.

My wheel setup is as follows:

19x8.5 +30 235/35/19 front
19x9.5 +18 265/30/19 rear

Is there any specific alignment specs (toe/camber) that I should aim for? And if not, what is the recommended factory spec for an e90 335i?

Any input and alignment shop recommendations around 91007 area would be appreciated. Thanks!
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      09-12-2010, 04:41 PM   #2
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bump, anyone?
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      09-12-2010, 05:25 PM   #3
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I'm definitely no alignment pro, but when I had mine done after my coilovers were installed I just told them to align to spec.
They should have the correct factory alignment settings for your car and will just match everything back up to that.

If you are looking for something more specific than I can't really help...
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      09-12-2010, 07:03 PM   #4
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What kind of driving are you going to do?
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      09-12-2010, 07:56 PM   #5
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Quote:
Originally Posted by shoes View Post
I'm definitely no alignment pro, but when I had mine done after my coilovers were installed I just told them to align to spec.
They should have the correct factory alignment settings for your car and will just match everything back up to that.

If you are looking for something more specific than I can't really help...
Do you have the alignment sheet? I want to know what the factory specs are. Also are you running any aggressive fitments?
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      09-12-2010, 08:07 PM   #6
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Quote:
Originally Posted by sales@bavarianx View Post
What kind of driving are you going to do?
Daily/spirited driving mainly. I have a 19x9.5 +18 in the rear with 265s and I'm not sure if I should go a little bit of neg camber
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      09-12-2010, 10:05 PM   #7
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Quote:
Originally Posted by Jz View Post
Daily/spirited driving mainly. I have a 19x9.5 +18 in the rear with 265s and I'm not sure if I should go a little bit of neg camber
Front -1.4 camber
0 toe

Rear -1.5 to 2.0 camber
.20 total toe in
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      09-12-2010, 10:19 PM   #8
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Quote:
Originally Posted by Jz View Post
Do you have the alignment sheet? I want to know what the factory specs are. Also are you running any aggressive fitments?
Not my car/alignment sheet, but this should be what you're looking for.
You should be looking at Specifications Min Max which are the factory spec "defaults" for the E90 (ignore Initial and Final as those pertain to this particular car).

No I'm not running anything aggressive.
19x8.5 +35 235/35/19 front
19x9.5 +33 275/30/19 rear

Forgive the large image.
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      09-12-2010, 10:38 PM   #9
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Quote:
Originally Posted by sales@bavarianx View Post
Front -1.4 camber
0 toe

Rear -1.5 to 2.0 camber
.20 total toe in
I'll try to aim for that, thank you!

Quote:
Originally Posted by shoes View Post
Not my car/alignment sheet, but this should be what you're looking for.
You should be looking at Specifications Min Max which are the factory spec "defaults" for the E90 (ignore Initial and Final as those pertain to this particular car).

No I'm not running anything aggressive.
19x8.5 +35 235/35/19 front
19x9.5 +33 275/30/19 rear

Forgive the large image.
Is there a difference between sport package and standard?
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      09-12-2010, 11:10 PM   #10
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Quote:
Originally Posted by Jz View Post
Is there a difference between sport package and standard?
I'm not positive on that, but I don't believe there are different specs for sport/non-sport spring cars.
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      09-13-2010, 01:18 AM   #11
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There are indeed different specs. E90/91/92/93 all have their own specs, non-sport/sport/performance suspension, and 17-18-19" wheels.

At least that's how our Hunter Machine gives us the break-down...
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      09-13-2010, 01:33 AM   #12
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Quote:
Originally Posted by Matt@Camber-Toe View Post
There are indeed different specs. E90/91/92/93 all have their own specs, non-sport/sport/performance suspension, and 17-18-19" wheels.

At least that's how our Hunter Machine gives us the break-down...
Ahh... I wasn't aware. Good info.
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      09-13-2010, 01:48 AM   #13
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Quote:
Originally Posted by Matt@Camber-Toe View Post
There are indeed different specs. E90/91/92/93 all have their own specs, non-sport/sport/performance suspension, and 17-18-19" wheels.

At least that's how our Hunter Machine gives us the break-down...
that makes sense. So what specs should I be aiming for with my setup?

19x8.5 +30 front 235/35/19 fk452
19x9.5 +18 rear 2655/30/19 fk452 Not sure if I need some neg camber with this.

KW v2 coilovers is set to pretty low. dampening is 12 clicks from the firmest on the front and 10 clicks from the firmest on the rear.

Stock car was a 2008 e90 335i with sport package.

The car is used as a daily driver with occasional spirited driving.
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      09-14-2010, 01:38 AM   #14
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Upp, any other input?
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      09-14-2010, 01:01 PM   #15
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Quote:
Originally Posted by sales@bavarianx View Post
Front -1.4 camber
0 toe

Rear -1.5 to 2.0 camber
.20 total toe in
With mostly daily driving, especially if there's going to be any amount of free-way driving, I'd think minor to moderate toe-in up front would be better than zero.
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      09-14-2010, 01:30 PM   #16
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Quote:
Originally Posted by The HACK View Post
With mostly daily driving, especially if there's going to be any amount of free-way driving, I'd think minor to moderate toe-in up front would be better than zero.
There is no real need for toe upfront if it is daily driving it will just affect the tire life as the negative camber and the toe will cause the front tires to drag thus the cause of inner tire wear. Adding toe upfront is more suited for enhanced grip or better turning capabilities for aggressive street driving or track usage.
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      09-18-2011, 07:43 PM   #17
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E90 2006 330xi with 17" wheels

See picture for alignment specifications.

Think for all my future alignments I can go to a cheapo place and give them these specs - and maybe ask them if I can sit in the drivers seat while they do?
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      04-06-2014, 09:25 PM   #18
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BMW Specs
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File Type: pdf e90_LCI_alignment_weights.pdf (20.9 KB, 264 views)
File Type: pdf e90_LCI_non_sport_alignment.pdf (24.7 KB, 279 views)
File Type: pdf e90_LCI_sport_package_alignment.pdf (25.8 KB, 578 views)
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      04-08-2014, 10:42 AM   #19
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Do you have the specs for e92 xDrive?
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      04-08-2014, 12:37 PM   #20
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Quote:
Originally Posted by kevin@********* View Post
There is no real need for toe upfront if it is daily driving it will just affect the tire life as the negative camber and the toe will cause the front tires to drag thus the cause of inner tire wear. Adding toe upfront is more suited for enhanced grip or better turning capabilities for aggressive street driving or track usage.
Does. Not. Compute.

Toe doesn't add or "enhance" grip. Toe-in adds directional stability and toe-out adds steering response. CAMBER adds grip. Toe-in allows the car to track straighter because the frictional forces will provide inward pressure to stabilize the front end.

Toe-in is very important on MacStrut front end like BMW has, because as the front end compresses upon braking, the camber increases and so does toe-out. The end result is if you brake at or near threshold (say, in an emergency situation) the resulting toe-out will cause front end instability and force the car to follow the crown of the road.

And with any amount of negative camber, slight toe-in will result in a more even wear because the negative camber will wear the inside of the tire, and the toe-in will wear the outside of the tire.

Word of advice to the OP. Just ask the alignment shop to align it to "factory specs." What BMW provides straight from the factory is probably the best all around compromise for performance, comfort, and tire longevity as you're ever going to get, regardless of what your suspension set-up is (even on coil-overs). I'm not one to sing the praises of BMW engineers as "they can't do no wrong because they're german" but they have managed to find a pretty darn good setting for a street driven vehicle and still retain a little bit of performance oriented suspension setup.
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      04-08-2014, 05:17 PM   #21
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Quote:
Originally Posted by only1harry View Post
Do you have the specs for e92 xDrive?
Hopefully one of these is it. I don't see anything specific to x-drive in alignment documentation. Only specific things are for suspension types. There is a rough road suspension type if anyone needs those specs, just lmk.

EDIT: I do see something for the AWD's, and something specific to e92,93 sport. Just added those.
Attached Images
File Type: pdf e90_91_92_93_standard.pdf (103.5 KB, 251 views)
File Type: pdf e90_92_performance_sport.pdf (104.1 KB, 331 views)
File Type: pdf e90_91_92_93 low_slung_sport.pdf (103.5 KB, 210 views)
File Type: pdf e90_91_92_AWD.pdf (103.5 KB, 230 views)
File Type: pdf e92_93_sport.pdf (104.0 KB, 222 views)
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Last edited by bdwyer; 04-08-2014 at 05:28 PM.
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      04-08-2014, 09:07 PM   #22
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Quote:
Originally Posted by The HACK View Post
With mostly daily driving, especially if there's going to be any amount of free-way driving, I'd think minor to moderate toe-in up front would be better than zero.
I have 0 toe in front and sorta agree with this. It felt really twitchy for the first couple days. It feels like it wants to tramline more easily.

But honestly, now it just feels normal and good. It goes straight fine, but I do wonder around a little within the lane. Not sure what I had before, but it use to be very solid going straight. I'm not really an expert at giving feedback for how a car drives, but I think I have more of a tendency to oversteer now.

I did

Front
0 toe
-1.7 camber per side

Rear
1/16" toe in per side
-1.8 camber per side

Thrust angle= 0.00
Everything else to OEM spec's

Next alignment I will change it to slight toe-in on front and -2.0 camber per side on the rear.
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