Obd interface socket – BMW M3 Coupe 2004 User Manual

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If the indicator blinks or flashes, this
indicates a high level of engine misfire.
Reduce speed and contact your near-
est BMW center immediately. Severe
engine misfiring for even a short period
of time can seriously damage emission-
control system components, especially
the catalytic converter.

SERVICE ENGINE SOON warn-
ing lamp for Canadian models.

If the gas cap is not on tight
enough, the OBD system can

detect leaking vapor and the indicator
will light up. If the gas cap is then tight-
ened, the indicator will usually go out
after a short period of time.

OBD interface socket

Overview

Controls

Maintenance

Repairs

Data

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