27th November 2008, 17:25
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#2
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M5 Expert (>4000)
Join Date: Jan 2001
Location: Silicon Valley
Garage:
M5 - Titanium Silver '01
Thanks: 175
Thanked 216 Times in 142 Posts
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I can only speak to Dinan vs. Ground Control. I was all set to use the GCs for their adjustability, but their design did not seem robust enough for my tastes, and things were complicated by their sending me the wrong ones to begin with, and rather than taking them back, suggesting band-aid fixes to my tech that didn't work. So I ended up with Dinans. They are simple, very durable fixed plates. No adjustability, but the resulting camber setting when used with Dinan springs (-1.7 degrees) is just about perfect IMHO, for the street. No doubt you could use a few degrees more negative camber for the track, but you can't run that same setting on the street w/o wearing out the inner edges of your tires in a very short time (hence the need for adjustability for that kind of negative camber). So if you don't track your car, just get the Dinan plates. People complain about Dinan's prices, but there is no doubting, at least in my view, that they do their optimization homework and get in right. To me, that's worth it. I had all sorts of problems using H&R springs and Koni FSDs, and basically suffered with that setup for a year before finally going with the Dinan setup, and now couldn't be happier with that.
If you track your car, you may wish to at least consider the adjustable plates, but so far I have not been impressed with their designs. Now this is just my experience. Others have used GC plates with good success and report no problems.
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Need4Spd
'01 M5 (now my brother's car) UUC SSK + Rogue WSR/RE Tranny Mounts+Royal Purple Synchromax/Axxis ULT Pads/StopTech SS Lines/TC Design from BeastPower Anti-roll Bar Brackets/Dinan LtWtFlywheel and Stage 3 suspension/4xOEM rear 275 Goodyear F1 Asymmetrics/Vines thrust arms/IATS relocation/10w-60 oil/hardwired Escort 9500i/Euro Armrest/TEC Cupholder/IceLink/PowerChip 91 Gold/TUBIs!/Strong Strut/BSW Stage 1/BT/Angel iBrights 3.0/space-saver spare by Bimmerzone
'11 Jaguar XFR, Quicksilver exhaust, Escort 9500ci
Unnamed weekend Italian 2 seater with DCT
Future - F10 M5 with manual transmission?
"Is it the sounds that make a BMW a BMW? A BMW is designed to be heard, felt, experienced. So our engines sing. Our steering talks back. And we insist on offering manual transmissions in nearly all our models for drivers who crave them. The result is an almost telepathic oneness with the car. Just as surely as you can hear a BMW, a BMW hears you."
Last edited by Need4Spd; 27th November 2008 at 17:26.
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