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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > How slammed can i get?



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      01-30-2016, 01:45 PM   #1
useri6
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How slammed can i get?

I have just installed coilovers and lowered it all round but i still want to get atleast 25mm lower all round. I have less than 5mm between the inner rim and springs on the front, if i go any lower will i then start rubbing on the springs? I have 20mm spacers on fronts.
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      01-30-2016, 01:47 PM   #2
tc535i
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How will height affect lateral distance between springs and wheels?
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      01-30-2016, 02:18 PM   #3
useri6
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How will height affect lateral distance between springs and wheels?

So basically it will always clear my strut regardless of ride height? I know what i'm going to be doing tomorrow.
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      01-30-2016, 02:19 PM   #4
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The wheel is bolted to the strut, so nothing there should change (unless youre moving something down on the strut and into the tire)
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      01-31-2016, 08:40 PM   #5
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Quote:
Originally Posted by tc535i View Post
How will height affect lateral distance between springs and wheels?
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The wheel is bolted to the strut, so nothing there should change (unless youre moving something down on the strut and into the tire)
Exactly, and that is impossible on the e90 type of upright knuckle. On old BMW's like e36 and older yes, because the strut was bolted onto the knucke. On e90 drops into the clevis and one can't manipulate the angle there.
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      02-13-2016, 05:13 AM   #6
useri6
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Exactly, and that is impossible on the e90 type of upright knuckle. On old BMW's like e36 and older yes, because the strut was bolted onto the knucke. On e90 drops into the clevis and one can't manipulate the angle there.

The locking rings fouled the rim so it didn't clear. back to the drawing board
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      02-13-2016, 08:55 AM   #7
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The locking rings fouled the rim so it didn't clear. back to the drawing board
Locking rings? I don't understand what are those. Sorry.
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      02-13-2016, 09:18 AM   #8
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As low as your little heart desires OP.
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      02-13-2016, 06:19 PM   #9
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What are you people talking about.. the lower you go the more natural camber you get.. the closer it gets to the strut.. if let's say your stock ride height and have 10mm space between the wheel and the strut, if you lower the ride height the distance between the strut and the wheels is gonna decrease.. that just from the top because the camber gets affected by ride height.
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      02-13-2016, 06:38 PM   #10
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Quote:
Originally Posted by E90 M335i View Post
What are you people talking about.. the lower you go the more natural camber you get.. the closer it gets to the strut.. if let's say your stock ride height and have 10mm space between the wheel and the strut, if you lower the ride height the distance between the strut and the wheels is gonna decrease.. that just from the top because the camber gets affected by ride height.
For a double wishbone setup, yes that can happen. In a MacPherson strut setup like the E9x, the wheel carrier is attached directly to the strut assembly with no pivot point so the strut will always stay a fixed distance from the wheel. There is some dynamic camber change as the suspension is compressed (not much in a MacPherson strut setup) but the wheel and strut will move together as a unit.
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      02-13-2016, 10:25 PM   #11
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Quote:
Originally Posted by useri6 View Post
I have just installed coilovers and lowered it all round but i still want to get atleast 25mm lower all round. I have less than 5mm between the inner rim and springs on the front, if i go any lower will i then start rubbing on the springs? I have 20mm spacers on fronts.

OP, you're a man of constitution, a-cause every little bump stands t'bottom yer ride! That means a really impressive shower-o-sparks, babe magnet fer sure!

But, what about those pesky alignment issues? You know....toe....camber....and what about those shocks? Gotta match not only spring rates, but travel and ride height. What's a guy to do?

Looks like you'll be investing in all new custom shocks OK, and thick gel inserts for your seats. But you'll handle like a champion if ya can take the pounding!


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      02-14-2016, 12:27 PM   #12
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