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lafuerza · 12-01-2021, 03:15 PM

Anyone have experience with JRZ or MCS suspension on Z4M Coupe for track and canyon runs. Car is not a daily and expected to perform but not rattle interior apart.

Currently has KW3 with Vorshlag plates and adjustable arms and endlinks. Very comfortable until you hit a big bump and then it crashes and way to soft for track and not not confidence inspiring with progressive springs when driving harder.

Thoughts on spring rates. Car has front and rear sways, AKG bushings, 4.10 diff, and 265/35/18 square setup with Brembo BBK front and back as well as Aero lip and wing.

12-01-2021, 03:15 PM	#1
lafuerza Private First Class 14 Rep 138 Posts Drives: 2007 Z4M Coupe Join Date: Aug 2013 Location: USA iTrader: (1)	Input on MCS and JRZ Suspension Anyone have experience with JRZ or MCS suspension on Z4M Coupe for track and canyon runs. Car is not a daily and expected to perform but not rattle interior apart. Currently has KW3 with Vorshlag plates and adjustable arms and endlinks. Very comfortable until you hit a big bump and then it crashes and way to soft for track and not not confidence inspiring with progressive springs when driving harder. Thoughts on spring rates. Car has front and rear sways, AKG bushings, 4.10 diff, and 265/35/18 square setup with Brembo BBK front and back as well as Aero lip and wing. __________________ 2007 Z4M Coupe. KW3, Stoptech ST60/ST40, SSK, AKG Bushings, 4:10 Diff, ARP Wing, ARP Splitter, MFR Splitter Underpanel.
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