You won't have ESP, ABS will work fine.
I got in the habbit of turning off (hitting the ESP switch) ESP after I went Stage II before the coil-over conversion - now I don't have to.
Todd
'03' allroad 6MT
K04's w/MTM's 420HP PKG.
APR Bi-Pipe w/RS6 IC's
CDA Cold Air Intake
Milltek DP's/HKS Cats/RS6 exhaust
PSS9's/Saridea Spacers/H-Sports(soft)
Southbend Clutch/Unorthodox LWFW
AWE DTS/B&M SS kit
RS6 Wheel Liners
Painted Rear Bumper & Body Trim
Euro. S6 Recaro F/R seats & door cards
On Deck:
BBK
High Capacity Oil Cooler