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  #21  
Old 03-22-2014, 03:40 PM
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Thanks for posting. I am really interested to hear how they work. My standard 100k mile suspension is no longer compatible with the frost heaved roads around here. The price is attractive compared to lowering springs and sport shocks/struts.

-Carter
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  #22  
Old 03-23-2014, 09:19 AM
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The ride is going to be completely different. Much much stiffer. When going up my drive way my X 3 wheels. I have 14k/11k spring rates. I'm going to a lesser rate to get lower
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  #23  
Old 03-25-2014, 10:14 PM
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Quote:
Originally Posted by X5SND View Post
Dependent on your drop. The lower you go, the more likely the kmacs are needed.
A friend installed these last week and said he was rubbing when he slammed it on 19's. He said he's raised it back up and settled on 3" all the way around, got an alignment and no issues what so ever. We don't understand how the OP here - http://www.xoutpost.com/bmw-sav-foru...ng-20x11s.html can have 20x11's and not rub, so I guess I'll have to install mine, lower it until it doesn't rub my staggered 20's and then get an alignment and hope for the best that the shop will be able to get it back into factory specs.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's

Last edited by m5james; 03-25-2014 at 10:43 PM.
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  #24  
Old 03-25-2014, 10:17 PM
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Quote:
Originally Posted by ArmyX5 View Post
m5james,

I just pulled the trigger on these also. Did you installed yours? How hard was it if you did, and do you have any tips? I was going to replace my struts with Bilstein HD, but decided to go this route. I hope I made the right decision,
Haven't gotten to it yet :-/
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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  #25  
Old 03-25-2014, 10:25 PM
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Quote:
Originally Posted by KyleNatolix5 View Post
I'm no mechanic. A indy installed mine for 100. Took him an hour, don't forget to deflae the rear bags. What spring rates did you get?
I buddy installed a set on his 540i and said it took him about 3hrs, but I'm sure a lift would be way faster.

I don't know how to deflate the bags, but the other buddy who installed his on his X5 is sending me some Romanian software to adjust the self-leveling system and then custom made links. I went with whatever they're standard offering was for rates.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's

Last edited by m5james; 03-25-2014 at 10:46 PM.
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  #26  
Old 03-25-2014, 10:28 PM
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Quote:
Originally Posted by ArmyX5 View Post
An hour to install! That is fast. I will be doing it myself, just want to know if I need anything special. I don't have air suspension, so don't have to worry about air bags. I am not sure about the spring rates, but this is what I am getting. Amazon.com: BC Racing BR Series Coilovers 00-06 BMW X5 - E53: Automotive.
I got mine for the same price, just make sure they send you the free adjusters for the rear.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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  #27  
Old 03-25-2014, 10:32 PM
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Quote:
Originally Posted by Ctsiegf View Post
Thanks for posting. I am really interested to hear how they work. My standard 100k mile suspension is no longer compatible with the frost heaved roads around here. The price is attractive compared to lowering springs and sport shocks/struts.

-Carter
I'm on the fence about doing the compete suspension rebuild from FCP Groton while I'm at it for $1000.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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  #28  
Old 03-25-2014, 10:39 PM
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Quote:
Originally Posted by KyleNatolix5 View Post
The ride is going to be completely different. Much much stiffer. When going up my drive way my X 3 wheels. I have 14k/11k spring rates. I'm going to a lesser rate to get lower
What are the stock rates? This is all I can find on Google - Tuning Developments. You posted on another thread about you having "extreme drop" but I didn't see that option, so I bought the set like the ones posted on the Amazon link.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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  #29  
Old 03-25-2014, 10:40 PM
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Quote:
Originally Posted by KyleNatolix5 View Post
The ride is going to be completely different. Much much stiffer. When going up my drive way my X 3 wheels. I have 14k/11k spring rates. I'm going to a lesser rate to get lower
Per your own thread, I thought you did the stock offering from BC of 9 front / 12 rear?
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's
325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex

600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's

135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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  #30  
Old 03-26-2014, 12:43 AM
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Quote:
Originally Posted by m5james View Post
Per your own thread, I thought you did the stock offering from BC of 9 front / 12 rear?
That was the original plan but they told me I would need stiffer springs beecause of rub. Just a little update, my driver side axle snapped because of the angle it was on due to lowering. Had it repllaces with a remanufactured one. Mine were ooriginal with 125k on them. Not saying it's going to happen to you but just a little fore warning.

Regards to deflating the rear bags, you have to deflate if you install the coils I just disconnected the lines on the top of the bags and removed the fuse for the air suspension system . im also planning to do a universal air suspension bag over coil system to get maximum lowzzz . just have to figure out the clearance issues because of the width of the bags
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