2008 BMW M3 Owner's Manual - Page 124

2008 BMW M3 Manual

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Maintenance Socket for On-Board Diagnosis OBD tain vehicle data may be transmitted or recorded in order to facilitate the corresponding services. Primary components that make up exhaust emissions can be checked by a device via the OBD socket. This socket is located on the driver's side to the left, on the bottom of the instrument panel underneath a cover. Exhaust emission values The warning lamp lights up: The exhaust emission values have worsened. Have the car checked as soon as possible. Canadian models display this warning lamp. The lamp flashes under certain conditions. This indicates excessive misfiring in the engine. If this happens, you should reduce your speed and visit your nearest BMW center as soon as possible. Severe engine misfiring can quickly lead to serious damage of emissions-related components, especially the catalytic converter. The warning lamp comes on if the gas cap is not properly tightened and the OBD system assumes that fuel vapor is escaping. If the gas cap is then tightened, the warning lamp should go out within a few days. Event data recorders Your vehicle may be equipped with one or several measuring or diagnostic modules or a device for recording or sending certain vehicle data or information. In addition, if you have signed a service contract for BMW Assist, cer122 Online Edition for Part no. 01 41 0 014 960 - © 02/08 BMW AG

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Maintenance
122
Socket for On-Board
Diagnosis OBD
Primary components that make up exhaust
emissions can be checked by a device via the
OBD socket.
This socket is located on the driver's side to the
left, on the bottom of the instrument panel
underneath a cover.
Exhaust emission values
The warning lamp lights up:
The exhaust emission values have
worsened. Have the car checked as
soon as possible.
Canadian models display this warning
lamp.
The lamp flashes under certain conditions. This
indicates excessive misfiring in the engine. If
this happens, you should reduce your speed
and visit your nearest BMW center as soon as
possible. Severe engine misfiring can quickly
lead to serious damage of emissions-related
components, especially the catalytic converter.
The warning lamp comes on if the gas
cap is not properly tightened and the
OBD system assumes that fuel vapor
is escaping. If the gas cap is then tightened, the
warning lamp should go out within a few days.
Event data recorders
Your vehicle may be equipped with one or sev-
eral measuring or diagnostic modules or a
device for recording or sending certain vehicle
data or information. In addition, if you have
signed a service contract for BMW Assist, cer-
tain vehicle data may be transmitted or
recorded in order to facilitate the corresponding
services.
Online Edition for Part no. 01 41 0 014 960 - © 02/08 BMW AG