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OBD interface socket
Access to the interface socket for the
On-Board-Diagnostics (OBD): Lift the
cover (arrow) next to the steering col-
umn.
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 sys-
tems for deterioration and malfunction.
390de346
An Illuminated indicator informs
you of the need for service, not
of the need to stop the vehicle.
However, the systems 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.
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
go out within a few days.<
Online Edition Part-No. 01 41 0 155 062 - © 07/99 BMW AG