Eibach / Bilstein B12 Pro-Kit suspension about 35/30mm

Lowering (front/rear): 20/15mm for:
Audi A4 (8K2, B8) S4 4x4 since 11/07 (front -1225kg) (Notes: A, 12, 18, 21, 78, 88, 161)

Lowering (front/rear): 35/30mm for:
Audi A4 (8K5, B8) Avant 2.0 TDI, 2.7 TDI, 3.2 FSI mit Automatik, 3.0 TDI since 06/08 (front -1225kg) (Notes: A, 12, 18, 20, 21, 78, 88, 161)
Audi A4 (8K2, B8) 2.7 TDI, 3.0 TDI 4x4, 3.0 TFSI 4x4, 3.2 FSI, 3.2 FSI 4x4 since 11/07 (front -1225kg) (Notes: A, 12, 18, 21, 78, 88, 161)

The leading suppliers of performance springs (Eibach Pro-Kit Performance Springs) and performance dampers (Bilstein Performance dampers in gas pressure technology) have developed a common sports suspension. The spring / damper technology was tuned in simultaneous engineering and extensive test trials. This results in a unique spring-damper balance, resulting in a world-class suspension system with progressive characteristics that ensures precise response and excellent driving dynamics.