• 20.16.1 Basic information53
• 20.16.11 Control unit/relay14
• 20.16.12 Sensor/switch/wiring harness1
• 20.16.13 Line/hose/valve4
• 20.16.30 Spring/air suspension bellows/shock absorber/suspension strut28
• 20.16.31 Pressure generation/container/control block5