Lowering Suspension Procedure for Audi D4 A8/S8 (taken from VCDS amended for OBD11 in simple terms)
1. Turn ignition ON
2. Set Comfort Mode
3. Raise
4. Set Auto Mode
5. Lower (keep doors closed)
6. Find Module 34 and open
7. Adaptation--write down each value for LF, LR, RF, RR
8. Security Access 20103
9. Fire Engine up
10. Basic Settings-- Activate Level Control
11. Basic Settings-- Delete Calibration Level Control
12. Basic Settings-- Start Up to Reference Level
13. Adaptation-- add xxmm to each corner to lower it by that much (LF, LR, RF, RR)
14. Basic Settings-- Calibrate Level Control
15. Basic Settings-- Activate Level Control
16. Optional-- Full Scan and clear fault codes