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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 04-30-2013, 09:07 PM   #1
nyredeye21
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Join Date: May 2008
Location: Brooklyn
Posts: 198
My Ride: 2003 E46 M3
Coilover install...What else should I replace while this is done?

So i have a 2003 M3 convertible and i bought some ST coilovers because my original suspension is shot. I live in NYC and daily drive this car.

Did some research and others recommended the following:
Front Strut Mounts
Front reinforcement plates
Rear Shock mounts
Rear reinforment plates

I was wondering if there is anything Im missing and what brand of parts did you guys use and your reviews.

I will post pics later...(Car currently has Tein S Tech lowering springs and stock shocks)

Thanks for the input.
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Old 04-30-2013, 11:46 PM   #2
shell_guy
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I would replace sway bar links and control arm bushings while your in there.
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Old 05-01-2013, 12:18 AM   #3
z00
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I replaced RTABS and FCABS when I put KW coilovers.
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Old 05-01-2013, 07:04 AM   #4
nyredeye21
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Coilover install...What else should I replace while this is done?

Thanks for that. The st cool overs came with new front swaybar links so I will replace that during install.

I have already replaced both fcabs and rtabs with powerflex bushings. The rtabs haven't given me a problem in two years. I just installed the fcabs a little over a month ago and the passenger side keeps riding up the control arm. Don't recommend powerflex fcabs from my personal experience. Seems many others have had that problem as well


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Old 05-01-2013, 07:05 AM   #5
nyredeye21
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Coilover install...What else should I replace while this is done?

Anyone have suggestions as to what type of front strut mounts and rear shock mounts i should get


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Old 05-01-2013, 03:24 PM   #6
nyredeye21
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Coilover install...What else should I replace while this is done?

Bump


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Old 05-01-2013, 03:54 PM   #7
shell_guy
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I believe Rogue makes a set.
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Old 05-01-2013, 03:57 PM   #8
nyredeye21
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Coilover install...What else should I replace while this is done?

I found a few different rear shock mounts but I can only find OEM front strut mounts. Anyone know of any other options?


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Old 05-01-2013, 05:47 PM   #9
Bigo1087
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I'm pretty sure theres only OEM Mounts and then Camber Plates, which you don't want if your DD it in NY, trust me.
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Old 05-01-2013, 05:51 PM   #10
nyredeye21
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Coilover install...What else should I replace while this is done?

That's what I thought. Thanks.


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Old 05-01-2013, 05:52 PM   #11
nyredeye21
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Coilover install...What else should I replace while this is done?

Click image for larger version

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Upon inspection of the coil overs I noticed that the shocks are easily compressed by hand. Anyone know if this is normal?


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Old 05-01-2013, 09:21 PM   #12
braaang
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shocks should be easily compressed by hand. how quickly can you compress them?
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Old 05-01-2013, 10:12 PM   #13
nyredeye21
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Coilover install...What else should I replace while this is done?

They compress slowly. Maybe in excess of 10-15 seconds for full compression.

I just bought the rogue RSM that come with all hardware and z3 reinforcement plates already modified to fit convertibles. I also bought front strut mounts and all new bolts. Anything I'm missing?


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Old 05-01-2013, 10:27 PM   #14
z00
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In case you don't know, ST coilovers will rust if you drive them in winter. Hopefully you garage your car in winter. If you drive in winter you should have gone with KW as they're made of stainless steel (does not rust with winter and salt).
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Old 05-02-2013, 08:11 PM   #15
nyredeye21
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Coilover install...What else should I replace while this is done?

As I understand it the KW's don't rust and come with an unlimited warranty. The ST's are rust resistant but not rust proof and they have a 5 year warranty which is why I choose these over Megan racing and BC coilovers (1 yr warranty each)
I am planning on selling this car very soon and getting another M3 hardtop. The next owner can do what he wants.


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Old 05-06-2013, 09:59 AM   #16
nyredeye21
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Coilover install...What else should I replace while this is done?

I bought OEM front mounts and rogue rear mounts.


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Old 05-06-2013, 05:47 PM   #17
the fly
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Quote:
Originally Posted by z00 View Post
I replaced RTABS and FCABS when I put KW coilovers.
what he said. these bushings go bad often...
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Need FCABs? I sell them pre-pressed with new OE or poly bushings for both M and XI...


http://forum.e46fanatics.com/showthr...544&highlight=

http://forum.e46fanatics.com/showthr...1#post16220185
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