CITROEN C6 2005 Service Manual page 154

Variable damping suspension actuator
B3BP1A0D
ACTIVE SUSPENSION WITH VARIABLE DAMPING
Each suspension cylinder has a variable damping suspension actuator.
(1) Variable damping suspension actuators (front)
(12) Variable damping suspension actuators (rear)
Anti-roll bars:
Front anti-roll bar.
ES9A
DT17BTED4
Rear anti-roll bar.
ES9A and DT17BTED4
148
: Diameter 23.5 mm Yellow.
: Diameter 24 mm Pink.
: Diameter 20.6 mm Orange.