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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Suspension | Chassis | Brakes > Comparison: X-Drive vs. RWD Suspension
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      07-29-2013, 09:15 PM   #1
MrMikeHenry
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Comparison: X-Drive vs. RWD Suspension

Im still confused as to why X-Drive models cannot use RWD coilovers or springs and vise versa here is a side by side comparison of the spring and shock components everything looks identical to me.

Anyone want to chime in?

I cant find any reasonable explanation even on the e90 forums.

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      07-29-2013, 11:19 PM   #2
slmdgee
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why because the front has axles..... The rears are the same but the fronts are completely different.
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      07-30-2013, 10:02 AM   #3
MrMikeHenry
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Quote:
Originally Posted by slmdgee View Post
why because the front has axles..... The rears are the same but the fronts are completely different.
but what does that have to do with the struts and springs? Only thing you can change with a spring is the height , diameter , and spring rate. Clearly the height and diameter is the same on both models so I still cant see why coilovers wouldnt be compatible.
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