Engine Controls - MIL ON/Multiple Fault Codes Set

GROUP 12
Engine Electrical

12 02 01

Woodcliff Lake, NJ
Service Engineering

October 2001

This Service Information bulletins replaces orange S.I. 12 02 01 dated August 2001.

SUBJECT
Oxygen Sensor Faults

MODEL
E39 and E38 with M62 engine produced 9/98 - 8/99

SITUATION
Check engine light is illuminated and one or more of the following oxygen sensor fault codes is set in the Engine Control Module (DME):

-- Fault Code 5, 13, 10 and/or 18

CAUSE
Internal failure of the 02 sensor.

PROCEDURE
IT IS NO LONGER NECESSARY TO FAX THE PRINTOUTS OF THE OXYGEN SENSOR FAULT CODES TO THE TECHNICAL HOTLINE!

Until further notice Service Engineering needs a limited number of oxygen sensor sets as part of the failure analysis. If a vehicle is in the workshop with fault code 5, 13, 10 and/or 18 please replace both pre-catalyst oxygen sensors and label the sensors so that their bank location can be identified. Please do not forget to send all DIS/MoDiC printouts together with the "Warranty Parts Tag".

Parts and information should be sent to:

BMW of North America, LLC
Quality and Service Engineering Department
Attention: Howard Kalmbach
1 BMW Plaza
Montvale, NJ 07645

WARRANTY INFORMATION

The replacement of the second oxygen sensor will be reimbursed when it is claimed under the normal defect code for oxygen sensor replacement (11 78 02 96 00).