This Wild Rig Helped BMW Perfect the E39 M5's Suspension
BMW E39 M5 00-03 ISC N1 V2 Coilover Suspension
SUSPENSION REBUILD KIT & STAGG 4 STRUTS SHOCKS for BMW E39 525i 528i 530i 97-03 | eBay
KONI Active/Eibach Suspension Package - BMW E39 525i/528i/530i
BMW E39 525i/528i/530i (1997 to 2003) Replacement Suspension Bushings
Amazon.com: Front & Rear Suspension Control Arm Ball Joint Tie Rod Wishbone Sway Bar Link Kit 18pcs Fit for BMW E39 525 528 530 520i 523i 525i 528i 530i 535i 540i M5
KW V2 Coilover Suspension for E39 M5 - TAG Motorsports
Front Control Arm Overhaul Kit, Meyle HD - E39 525i/528i/530i
BMW E39 540i (1997 to 2003) Replacement Suspension Bushings
T33326767748KT - Turner Rear Suspension Refresh Kit - Level 1 - E39 540i, M5 (Sedan w/o EDC up to 12/2001) | Turner Motorsport