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BMW 3-Series (E90 E92) Forum
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OEM spring guide?
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11-24-2015, 07:00 AM | #1 |
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OEM spring guide?
There's an aftermarket spring guide, but if we don't know the lengths and rates of the OEM springs, how are we supposed to choose an aftermarket one?
Does anyone know if there's a chart out there with the rates and lengths of the OEM springs? I see that there's "D3" "D7" springs out there, what does that mean? |
11-26-2015, 07:37 PM | #2 |
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D might be diameter (don't quote me I'm not sure), as Eibach has their spring part numbers as Length, Inner Diameter, and Rate. The forum has spring rates here http://www.e90post.com/forums/showthread.php?t=235797 .
Not sure about length, but different aftermarket ones will specify how much of a drop their lowering springs will do.
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Last edited by TheTallJS; 11-26-2015 at 07:53 PM.. |
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11-30-2015, 01:04 PM | #4 |
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