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  #11  
Old 08-18-2016, 10:18 PM
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Quote:
Originally Posted by Miltr118 View Post
I understand, buddy of mine has a shop so we're doing the front followed by the alignment and when I do rear we'll throw it back onto the rack for another alignment.

I'm hoping once we do the alignment it will take care of the nasty camber on the rear now that I got her 20" wheels & tires...
I see. As long as 20" wheels are correct OEM offset I imagine you should dial it in. I'll try to bring in negative factory rear camber to save wear on inner sides of tires as long as it doesn't interfere the rest of alignment.
Is that your problem, to much negative camber?
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2003 BMW X5 4.6is
Supersprint Magnum Exhaust * 88C thermostat * Spal electric fan (fan clutch delete) * Bilstein HD struts and shocks with rear Suplex coil springs (air suspension delete) * OEM style 177 wheels
2003 BMW M5
1997 BMW 528i/A
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  #12  
Old 08-19-2016, 09:24 AM
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Quote:
Originally Posted by bmw540san View Post
I see. As long as 20" wheels are correct OEM offset I imagine you should dial it in. I'll try to bring in negative factory rear camber to save wear on inner sides of tires as long as it doesn't interfere the rest of alignment.
Is that your problem, to much negative camber?
I was having the same issue with inside tire wear with my 18" setup but now that I put the 168s on, the negative camber is more pronounced. Sorry for the crappy pics...
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  #13  
Old 08-19-2016, 09:37 AM
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^^^You guys need to zero out the toe on the rear - the negative camber is probably from the wishbones being shot (upper control arm)
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2003 X5 3.0i 5-Speed - Born on 9/18/2003
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  #14  
Old 08-24-2016, 08:44 PM
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Update 8/24/16

I was out of town and started on it Tuesday morning. Finished front suspension and started on rear:

upload image online


Remove 30A fuse #87 to cut the power to air compressor:

upload image online


Everything removed to gain access to air bags and shocks:

upload image online


Removing air bags. Pretty simple: releasing air, removing some clips and bolts:

upload image online

upload image online


Everything removed and ready for new springs and shocks:

imagehosting


Issue arrised with ECS Tuning coil conversion kit. I'm convinced and have proof that they sent wrong coil springs. Since they're slow to respond and of course convinced it's not their fault, I ordered Suplex springs (German made, identical to OEM) and doing some other stuff till they arrive on Friday:

Assembling Bilsteins with all new hardware. OEM ones were still ok but tired:

imagehosting

imagehosting


Everything removed and waiting on springs. I made a mistake instaling new arms before springs but it's easy to remove them:

imagehosting



At the meantime I took care of inactive suspension light. Extremely easy with $30 P.A.Soft scan tool and I'm glad that I did research as I've heard people paying big bucks to do it. Basicaly you un check suspension inactive light as shown on screen. Started the car the way it is (without all air suspension components) and no warning light whatsoever:

imagehosting
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2003 BMW X5 4.6is
Supersprint Magnum Exhaust * 88C thermostat * Spal electric fan (fan clutch delete) * Bilstein HD struts and shocks with rear Suplex coil springs (air suspension delete) * OEM style 177 wheels
2003 BMW M5
1997 BMW 528i/A
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  #15  
Old 08-24-2016, 10:32 PM
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Quote:
Originally Posted by bmw540san View Post
Update 8/24/16

I was out of town and started on it Tuesday morning. Finished front suspension and started on rear


Everything removed to gain access to air bags and shocks:

Removing air bags. Pretty simple: releasing air, removing some clips and bolts:


Everything removed and ready for new springs and shocks:



Issue arrised with ECS Tuning coil conversion kit. I'm convinced and have proof that they sent wrong coil springs. Since they're slow to respond and of course convinced it's not their fault, I ordered Suplex springs (German made, identical to OEM) and doing some other stuff till they arrive on Friday:

Assembling Bilsteins with all new hardware. OEM ones were still ok but tired:


Everything removed and waiting on springs. I made a mistake instaling new arms before springs but it's easy to remove them:
540san did you replace the sub frame bushings when you did the rear suspension components refresh?
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  #16  
Old 08-24-2016, 10:39 PM
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Quote:
Originally Posted by X53Jay4.8is View Post
540san did you replace the sub frame bushings when you did the rear suspension components refresh?
No. I've checked them and there are no cracks or fatigue.
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2003 BMW X5 4.6is
Supersprint Magnum Exhaust * 88C thermostat * Spal electric fan (fan clutch delete) * Bilstein HD struts and shocks with rear Suplex coil springs (air suspension delete) * OEM style 177 wheels
2003 BMW M5
1997 BMW 528i/A
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  #17  
Old 08-25-2016, 12:22 AM
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Great work! Im planning to do this too with my X5, I just finished doing the valley pan + manifold gaskets etc etc etc. I know you didn't do the passenger side axle... but would you know.. to take out the axle/driveshaft.. does the driver-side axle one have to be out before taking out the passenger side? Cheers.
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  #18  
Old 08-25-2016, 07:00 AM
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Quote:
Originally Posted by o3x5e53 View Post
Great work! Im planning to do this too with my X5, I just finished doing the valley pan + manifold gaskets etc etc etc. I know you didn't do the passenger side axle... but would you know.. to take out the axle/driveshaft.. does the driver-side axle one have to be out before taking out the passenger side? Cheers.
Thanks.
No, they're completely independent.
The only difference is that passenger side has additional "extension" due to front differential being further from it than driver side.
__________________
2003 BMW X5 4.6is
Supersprint Magnum Exhaust * 88C thermostat * Spal electric fan (fan clutch delete) * Bilstein HD struts and shocks with rear Suplex coil springs (air suspension delete) * OEM style 177 wheels
2003 BMW M5
1997 BMW 528i/A

Last edited by bmw540san; 08-26-2016 at 10:50 PM.
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  #19  
Old 08-26-2016, 10:39 PM
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Update 8/26/16

Finally resolved issue with ECS Tuning and they admitted their mistake and accepted their springs back while I got Suplex 06204 (OEM identical) at the meantime.

Did some research on Suplex and they're made in Germany and excellent quality. Suplex on right and ECS Tuning BMW spring on left with the finger pointing to issue of narrow top which would't fit spring pad:

uploading pictures




Suplex perfect fit both both pads:

image upload no compression




It took some work but I didn't have to compress spring which woudl be very difficult due to limited room. I was just able to push the whole arm down enough to slip the spring in:

image upload no compression




Spring pad seated and shock mount installed:

image upload no compression




Bilstein shock and 2 arms installed:

image upload no compression




All installed. No traces of air suspension. I have extra room under the tire (air compressor gone) now and I'll fabricate nice custom trunk fllor support over the spare tire since air compressor had that function:

image upload no compression




Things to do:
Install wheels, move car back and forth, bounce suspension and then fully tighten 2 control arms nuts and shock nut on each side.
Install trunk trim.
Alignment.
Done.
__________________
2003 BMW X5 4.6is
Supersprint Magnum Exhaust * 88C thermostat * Spal electric fan (fan clutch delete) * Bilstein HD struts and shocks with rear Suplex coil springs (air suspension delete) * OEM style 177 wheels
2003 BMW M5
1997 BMW 528i/A

Last edited by bmw540san; 08-26-2016 at 10:53 PM.
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  #20  
Old 08-27-2016, 02:07 AM
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I just ordered all my parts as well to do a full suspension overhaul. I went with fcp Euro and their bilstein / h&r springs and their 20 pc. Suspension bushing kit. Looking forward to testing out the new spring shock combo. My suspension feels pretty worn with 125k miles
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