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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 02-06-2007, 12:29 PM
kito kito is offline
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Location: Montevideo - Uruguay
 
Join Date: Apr 2006
Posts: 61
Mein Auto: 540i'97- Fiat Palio '05
Need 540i Wheel alignment specs

Can someone tell me the wheen alignment specs for a 540i (1997).

I had it aligned many times with what the technician says are the correct (factory) specs, but, steering feels very very unprecise.

I tried inflating rear tires to 44psi, and it got better, but very harsh. And it doesen't feel reasonable.

The later thing dealer did was "spreading" rear alignment from 3/4 to 1.1/2 . It worked, the car feels great again, but I wonder wether it will eat my tires very fast.

I'm wondering wether this dealer knows the correct specs, so if someone can please help me, send me the specs so I can check what he's doing.
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  #2  
Old 02-07-2007, 04:50 AM
franka franka is offline
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Mein Auto: E39 540i Sport
You could drop by any dealer and ask the parts dept.
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  #3  
Old 02-07-2007, 05:41 AM
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enken enken is offline
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Mein Auto: BMW525i M-Sport
Hi,kito.
Are u serching for this?
http://www.bmwdiy.info/alignment/index.html
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  #4  
Old 02-07-2007, 01:28 PM
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Fulltone74 Fulltone74 is offline
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Location: Mountain View, CA
 
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Mein Auto: 98 BMW 540i-6speed
I have 1/16-inch total toe in on the front and 1/8-inch total toe in on the rear.
Good straight line stability and reasonable turn-in response. Rear camber is -1.7 degrees.

I had the car aligned with my driver weight in the driver's seat. Alignment shop (Custom Alignment in Mountain View) puts sandbags on the driver's seat to replicate the actual loading conditions when somebody is driving it.

In fact, its the same shop I went to as the guy in the link on Enken's post. In fact, my final front and rear toe settings are the same too. My camber angles are different though.

I used to have 5/16-inch front toe-in and 1/16-inch rear toe. With that setup, the turn-in response was sluggish and the car also wandered a lot on the highway with poor straight line stability. Overall, the car felt rather poor and unpredictable with those settings.
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  #5  
Old 03-15-2015, 12:52 PM
Bimmerman4ever Bimmerman4ever is offline
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Location: Nevada
 
Join Date: Mar 2009
Posts: 141
Mein Auto: 98 540iA
If the front front control (thrust or traction) arms bushings are worn
will it track or tramline real bad???

Had mine aligned,
drives straight and true
but any dips/imperfections in the road and when accelerating hard it wanders pretty bad

I replaced one rear arm that was bad the other side has no play
also the rear subframe & dif bushings look good with no cracks
+ replaced front struts (originals had 145k on them and shot)

Last edited by Bimmerman4ever; 03-15-2015 at 12:54 PM.
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  #6  
Old 03-15-2015, 01:21 PM
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bluebee bluebee is offline
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Location: San Jose, California
 
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
I typed /alignment f3 in the bestlinks and this came up...
BMW_E36_E38_E39_Alignment_Specs_and_Procedures.pdf (216.1 KB, 688 views)

See also:
- Which of the dozen alignment specs are adjustable on the BMW E39 (1) (pdf) & cn90's front (1) (2) and rear (1) wheel alignment DIYs & how to keep the steering wheel (SW) straight during home alignment (1) (2) & what tools measure rear camber at home (1) (2) and what tools measure front/rear toe at home (1) & what tools lock the steering wheel & brake pedal at home (1) & the theory of alignment with weights (1) or without adding weight (1) (2) (3) & philosophically why most people prefer to let a professional alignment shop align their suspension (1) & what expensive equipment is used at the stealer to align your suspension (1) (pdf) & Internet references for how to DIY caster, camber & toe at home (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39)
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Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #7  
Old 03-15-2015, 01:24 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by Fulltone74 View Post
I had the car aligned with my driver weight in the driver's seat.
You can align your car any way you want, but, that's not how it's "supposed" to be done, according to BMW:
- The theory of alignment with weights (1)
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Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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