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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 11-22-2012, 01:55 PM   #1
jM2.me
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Suspension for non-m e46 with m3 rear end?

Thread title says it all. Non-m e46 with m3 rear end. Do I get fronts for non-m e46 and rears for m3 e46?
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Old 11-22-2012, 03:18 PM   #2
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It depends how much of an M3 rear end you have.
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Old 11-22-2012, 03:19 PM   #3
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It depends how much of an M3 rear end you have.
Full rear subframe swap.
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Old 11-24-2012, 03:51 AM   #4
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Bump. Deal goes off by end of sunday and have no idea what to order.
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Old 11-24-2012, 04:10 AM   #5
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what exactly do you mean by "suspension"?
if you're just talking about shocks and springs I don't recall any reason the non-M parts shouldn't work/fit in the rear too.

You will want matching frt/rr components
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Old 11-24-2012, 04:13 AM   #6
jM2.me
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Originally Posted by Alex323Ci View Post
what exactly do you mean by "suspension"?
if you're just talking about shocks and springs I don't recall any reason the non-M parts shouldn't work/fit in the rear too.

You will want matching frt/rr components
Shocks, springs and lower sway bars. The retailer has what seems like different sets (shocks&springs)for m3 and non-m3.
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Old 11-24-2012, 04:37 AM   #7
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I'm pretty sure if you have a non-m and only the rear M3 swapped over you'll want the non-m parts. M3 shocks and springs are tuned/valved for the M3 and actually tall. So some aftermarket Sport version of the non-M shocks/springs will be best.

Swaybars, I forget if the M fronts even fit correctly by the endlinks on non-m. and I don't recall if the rear M3 would take a different non-M designed bar. Swaybars you may have to mix. SLO_Town has a write up/thread on oem swaybars that may give options/answers.
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Old 12-01-2012, 04:50 AM   #8
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Front swaybar will fit both M and non M. Rear swaybar M swaybar fits M only, and non M fits non M only due to differential clearance.
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Old 12-01-2012, 05:06 AM   #9
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I would stick with the non M stuff with M3 rear swaybar (or M3 f/r swaybar set). You can go M but it might jack up your ride height. The sprung weight on a M3 subframe is not a whole lot different than a Non M.
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