CITROEN C5 Handbook page 81

C8
The RH and LH cylinder head gaskets are specific, of multilayer metallic type.
(1A) : Engine ref
(1B) : Nominal dimension : Without marking
(1C) : Repair dimension : E (1st repair dimension R1)
(1C) : Repair dimension : E-F (2nd repair dimension R2)
CYLINDER HEAD
Engine : XFW
Cylinder head gasket identification
B1DK0QKD
Cylinder head gasket thicknesses
: G-H
(a) : RH cylinder head gasket.
= 0.75 mm
(b) : LH cylinder head gasket.
= 0.95 mm
V : Engine flywheel side
= 1.15 mm
78
B1DK0QLD