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      12-19-2012, 02:27 AM   #2
Brigadier General

Drives: 2013 BMW M3 ZCP Coupe
Join Date: May 2009
Location: El Segundo, CA

iTrader: (1)

Originally Posted by swilly View Post
Has anyone gone from ground control sleeve kit to H&R sport springs (lowering springs period)? I purchase an used e92 M3 that had ground control sleeves and the ride is pretty harsh, but it could just be the streets of houston.

If I was to switch would there be any parts that were thrown away from the install of the GC sleeves that would be necessary for springs install?

Thanks for the input!
You know it so depends on the spring rates you chose for your kit. If you are using OEM dampers and you go with one of the softer rear springs I think you would be hard pressed to feel a stiffer ride. Most people don't realize this but your ride is usually dictated by the rear springs not the front. I would choose a GC sleeve kit over a H&R springs only any day of the week.

2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, AFE Stg2. with C/F elbow VMRV810 19x10&19X11 275/295 Mich PSS.
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk