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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E38 (1995 - 2001)

7 Series - E38 (1995 - 2001)

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  #1  
Old 07-16-2013, 05:58 PM
HneDog HneDog is offline
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Location: illinois & missouri
 
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Mein Auto: 1998 740il & 2010 750li
best way to lower 1998 bmw 740il e38???

im looking to lower the car about 1.5 inches and get a stiffer suspension. i was looking at H&Rs, they seem to be common but i just want to make sure i can get compatible springs for my project e38.
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  #2  
Old 07-17-2013, 02:37 PM
HneDog HneDog is offline
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Location: illinois & missouri
 
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Mein Auto: 1998 740il & 2010 750li
also how can i tell if i have a self leveling suspension or a sport suspension? (i dont have a sport model so i dont think i have a sport suspension)
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  #3  
Old 07-18-2013, 06:33 AM
umewes umewes is offline
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Location: NJ
 
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Mein Auto: 2001 740i
KONI lowering kit.
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  #4  
Old 07-18-2013, 07:02 PM
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wilk187 wilk187 is offline
2001 740il Sport, RIP
Location: Nashville
 
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Mein Auto: 2006 750i Sport, '13 QX56
Quote:
Originally Posted by HneDog View Post
also how can i tell if i have a self leveling suspension or a sport suspension? (i dont have a sport model so i dont think i have a sport suspension)
if your power steering reservior calls for "pentosin" on the lid (may have spelled it wrong...it's been awhile) and you have a button above the front cupholders that says "SLS" then you have self level.
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  #5  
Old 07-21-2013, 12:58 AM
HneDog HneDog is offline
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Location: illinois & missouri
 
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Mein Auto: 1998 740il & 2010 750li
i dont have the SLS buton is that mean for sure i dont have the self lowering suspension? (that would be amazing) if so i could get a fantastic stance setup!!!
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  #6  
Old 07-21-2013, 10:20 AM
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wilk187 wilk187 is offline
2001 740il Sport, RIP
Location: Nashville
 
Join Date: May 2008
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Mein Auto: 2006 750i Sport, '13 QX56
even if you have SLS you can lower your 7...you just put in the struts and disconnect the EDC connections on the strut tower...i literally just cut the cable after i put new struts/springs on my e38..it (self level) isn't hooked up to the "Check Engine Soon" system

here's a pic of the cable..i cut it and put the dust cap back on top to keep the original look.

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Last edited by wilk187; 07-21-2013 at 10:24 AM.
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  #7  
Old 07-22-2013, 01:58 AM
HneDog HneDog is offline
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Location: illinois & missouri
 
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Mein Auto: 1998 740il & 2010 750li
So if i cut that cable will i need to replace the struts or can i just use the aftermarket springs? i just dont want to mess anything up or i could buy the springs meant for the SLS but not get my favorite ride height
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  #8  
Old 07-24-2013, 08:07 PM
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wilk187 wilk187 is offline
2001 740il Sport, RIP
Location: Nashville
 
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Mein Auto: 2006 750i Sport, '13 QX56
That is a good question...your car is a 98' so i'm assuming you need new struts anyway! I'm really not sure if you can keep the stock springs and cut the cable only..i put Bilstein struts on mine and changed the springs at the same time. It could potentially save you 300-400$, so i'd probably try it first.
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  #9  
Old 08-03-2013, 08:44 AM
StreetJeeper StreetJeeper is offline
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Location: Richmond
 
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Mein Auto: 1997 BMW 740i
You might wanna just go with coilovers. You can adjust it as high or as low as you want. A lot easier and better handling 100%
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  #10  
Old 08-04-2013, 08:31 AM
gheemer gheemer is offline
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Location: Virginia Beach
 
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Mein Auto: 740iL, Z4, 330i
my lowered 98 e38 740iL

I'm not sure there is a "best way" to lower your vehicle, just one that provides both the look and ride you want. Here's what I did and you can judge yourself. About 1" up front, just a little over 1" in the rear. Ride is slightly stiffer but still much softer than my 330 or Z4 with run flats.

I don't believe self leveling was available in 98.

Two before and after pics.

Eibach ProKit and Bilstein HDs - both from BAVAuto.

Looking for Mpars to replace the basketweaves next, then lower profile tires which will change the ride quality even more dramatically
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