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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Rear spring spacer for height



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      06-04-2023, 10:14 PM   #1
aznbo187
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Rear spring spacer for height

Looking for some solutions for rear spring spacers/pads to increase the rear height.

I've installed Bilstein B14's and the rear height is just too low even at full height adjustment.

Basically sitting right above the tire at max rear height. This seems to be common, but probably a bit exacerbated as I have a heavier E91.

I think the easiest option is a spring pad. Could probably do E36/E46 rubber pads, but I rather it be more solid.

Wondering if anyone know if these are compatible on the E9X?

https://www.condorspeedshop.com/prod...spring-pad-set

There are also these:

https://www.kwsuspensions.com/kw-sus...-65030045.html

Looking for some feedback for those who were able to raise the height on the rear of their E9x.
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      06-04-2023, 11:54 PM   #2
rbryantaz
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2008 BMW 335i  [7.67]
2007 BMW X5 4.8i  [10.00]
https://www.e90post.com/forums/showp...07&postcount=3

One place to buy the oem ones: https://www.bimmerworld.com/Suspensi...pring-Pad.html

Or garagtastic has the whiteline poly ones: https://www.garagistic.com/products/...eight-increase

I only need 5mm or so to even my rear end out it is lower on the passenger side (I need to have someone measure when I am in it to see if should even space it).

I bought the 5mm one of these but haven't even added it: BMW part: 33531136385 It is about $9 for the BMW one or half of that for the URO one.
These all have to be cut down because the E30 pads are 5.25" and the E90 is around 3.75"

In looking a bit more I think these are the part numbers... URO versions are pretty cheap even for the thicker ones and will probably be just fine.

5mm: 33531136385
7.5mm: 33531136386
10mm: 33531136387
14.5mm: 33531094754

21.5mm: 33531091599 (unverified and won't work anyway because the spring cups aren't that deep.)

I wouldn't recommend using more than a 10mm spacer between the spring and cup though, it is only a 20mm deep cup so spacing more than half of that away could allow the spring to come loose when unloading.

-Rich
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2007 E70 X5 4.8i with 10" android screen Running 265/60/18 AT34s All Terrains (Mainly for road trips)
2008 E90 335i with 10" android screen, 7" intercooler, inlets, Dinan intake, JB4 BEF, E85 conversion, Mfactory LSD, M3 suspension, EDC shocks with custom controller.

Last edited by rbryantaz; 06-05-2023 at 12:52 AM..
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      02-01-2024, 12:35 PM   #3
Camparks286
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KW spring spacer

Would the KW spacers work with the B14 springs? I also have a E91 on a B14 kit and am having trouble getting it high enough to fit a 235 wide tire in the rear without rubbing.
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