BMW 325Ci Owner's Manual page 162

O B D interface socket
1 6 2 n
T h e O B D int erfa c e s o c k e t for o n b o ard
dia g n o stic s is lo c at e d o n th e driv er's
sid e , o n th e le ft- h a n d b otto m of th e
in stru m e nt p a n el a n d u n d er a c o v er
p a n el. T h e c o v er is m ark e d w ith th e
le tt ers " O B D " .
T h e p urp o s e of th e O B D syst e m is to
a ss ure pro p er e missio n c o ntrol syst e m
o p eratio n for th e v e hicle's life tim e b y
m o nitorin g e missio n -relat e d c o m p o -
n e nts a n d syst e m s for d e t erioratio n a n d
m alfu n ctio n.
A n illu min at e d in dic ator inform s
y o u of th e n e e d for s ervic e , n ot
th at y o u n e e d to sto p th e v e hicle .
Yo ur syste m s h o uld b e c h e c k e d , h o w-
ev er, at th e e arlie st p o s sible o p p ortu nity.
If th e in dic ator blin k s or fla s h e s, this
in dic at e s a hig h le v el of e n gin e misfire .
R e d u c e s p e e d a n d c o nta ct th e n e are st
B M W c e nt er im m e diat ely. S e v ere
e n gin e misfire o v er e v e n a s h ort p erio d
of tim e c a n s erio u sly d a m a g e e missio n
c o ntrol c o m p o n e nts, e s p e cially th e
c atalytic c o nv ert er.
S ervic e E n gin e S o o n w arnin g
la m p for C a n a dia n m o d els.
If th e fu el filler c a p is n ot o n tig ht
e n o u g h, th e O B D syst e m c a n
d e t e ct le a kin g v a p or a n d th e in dic ator
w ill lig ht u p . If th e fu el filler c a p is th e n
tig ht e n e d , th e in dic ator w ill u s u ally g o
o ut aft er a s h ort p erio d of tim e .<