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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > what bushings/parts should I replace when installing coils?



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      10-10-2012, 02:10 PM   #1
drm916
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what bushings/parts should I replace when installing coils?

I am going to be installing coils on a 2008 335 coupe next week (came with factory sports suspension). What bushings/bearings/mounts are recommended to be replaced?

I was thinking the front upper strut mount... But what else should I replace (front and back)? Car has 60,000 miles on it.

I saw this kit but not sure if all these are needed. And I can find a better price elsewhere... http://www.turnermotorsport.com/p-11...uspension.aspx
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      10-10-2012, 03:32 PM   #2
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That kit is a really good idea to avoid duplicate labor down the road
In lieu of that kit: F/R upper/lower springs pads; upper/lower rear shock mounts (powerflex has hd shock mounts), upper strut mounts or camber plates.
After you get that installed you can consider HD tension links and subframe bushings if you're not riding on rft's and the car still feels soft, floaty or bouncy
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      10-10-2012, 03:55 PM   #3
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Quote:
Originally Posted by cvc 22349a View Post
That kit is a really good idea to avoid duplicate labor down the road
In lieu of that kit: F/R upper/lower springs pads; upper/lower rear shock mounts (powerflex has hd shock mounts), upper strut mounts or camber plates.
After you get that installed you can consider HD tension links and subframe bushings if you're not riding on rft's and the car still feels soft, floaty or bouncy
Thank you.
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      11-15-2012, 12:47 PM   #4
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For those that have replaced the rear shock mounts to powerflex, which one did you pick? They offer them in 10mm and 12mm sizes.

http://store.powerflexusa.com/bmw-e9...ngs-p1170.aspx
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      11-16-2012, 08:12 PM   #5
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Quote:
Originally Posted by nitehawk View Post
For those that have replaced the rear shock mounts to powerflex, which one did you pick? They offer them in 10mm and 12mm sizes.

http://store.powerflexusa.com/bmw-e9...ngs-p1170.aspx
Bump curious about this too. I too plan on putting coilovers on soon and plan on doing the same.
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      11-16-2012, 09:20 PM   #6
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Quote:
Originally Posted by nitehawk View Post
For those that have replaced the rear shock mounts to powerflex, which one did you pick? They offer them in 10mm and 12mm sizes.

http://store.powerflexusa.com/bmw-e9...ngs-p1170.aspx
10mm for your OE rear dampers. 12mm is for most aftermarket dampers.
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      11-17-2012, 02:05 PM   #7
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Quote:
Originally Posted by HP Autowerks View Post
10mm for your OE rear dampers. 12mm is for most aftermarket dampers.
KW's are 10mm ?
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      11-18-2012, 01:33 AM   #8
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Quote:
Originally Posted by nitehawk View Post
For those that have replaced the rear shock mounts to powerflex, which one did you pick? They offer them in 10mm and 12mm sizes.

http://store.powerflexusa.com/bmw-e9...ngs-p1170.aspx
is this pretty much the same as what's in that turner kit?

what else should i get with it if i got that?

and what's the differece with the 10 and 12mm ones? how do i know if i have a 10mm ior 12mm thread?

what should i get for the front?

Last edited by flinchy; 11-18-2012 at 01:43 AM.
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