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163n
Index Data Technology Repairs Car care Controls Overview
OBD connector
The interface socket for the onboard di-
agnosis system is located beneath a
cover on the center console front panel
(arrow).
A sticker with the letters "OBD" is at-
tached to the cover.
The purpose of the OBD (Onboard
Diagnostic) system is to assure proper
emission control system operation for
the vehicle's lifetime by monitoring
emission-related components and
systems for deterioration and malfunc-
tion.
380de617
An illuminated "Service Engine
Soon" lamp informs you of the
need for service, not of the need
to stop the vehicle. However, the sys-
tems should be checked by your BMW
center at the earliest possible opportu-
nity.
Under certain conditions, the indicator
will blink or flash. This indicates a rather
severe level of engine misfire. When
this occurs, you should reduce speed
and consult the nearest BMW center as
soon as possible. Severe engine misfire
over only a short period of time can se-
riously damage emission control com-
ponents, especially the catalytic con-
verter.
"Service Engine Soon" warning
lamp for Canadian models.
When the filler cap is not properly
tightened, the OBD system can
detect the vapor leak and the indicator
will light up. If the filler cap is subse-
quently tightened, the indicator should
extinguish within a few days.<
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW AG
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