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3 SBT EURO 4 Exhaust Emission Regulations And E-OBD For M47TU Diesel Engines M47TU, M5 > < 2 SBT Exhaust System E46, E83, E85, E87, E90, E91 N40, N42, N45, N46|Page 3912
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The monitor sensor then increasingly reacts to Lambda deviations with voltage fluctuations.

This characteristic is utilised by a special diagnosis function for monitoring the catalytic converter. A catalytic
converter malfunction is indicated by the emissions indicator light.

Comparison of exhaust threshold values for EURO 4 and EURO 3

Exhaust threshold value
for kilometre reading

EURO 4
100,000 km

EURO 3
80,000 km

Start temperature
20 

°

C to 30 

°

C

HC

0.1 g/km

0.2 g/km

CO

1.0 g/km

2.3 g/km

NO

X

0.080 g/km

0.15 g/km

Start temperature
-7 

°

C

HC

1.8 g/km

1.8 g/km

CO

15 g/km

15 g/km

Notes for service staff

The following information is available for service staff:

General note: [more ...]

Diagnosis: [more ...]

Encoding/programming: ---

Subject to change.

SBT  Exhaust system E46, E83, E85, E87, E90, E91 N40, N42, N45, N46

BMW AG - TIS

12.02.2013  21:19

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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3 SBT EURO 4 Exhaust Emission Regulations And E-OBD For M47TU Diesel Engines M47TU, M5 > < 2 SBT Exhaust System E46, E83, E85, E87, E90, E91 N40, N42, N45, N46|Page 3912