A. Check/Modify Secondary Air Pump

**Procedure:
A. Check/modify secondary air pump wiring (if Special Defect Code 00 12 03 01 00 is indicated on DCS):**

1. Read out DME fault codes.

If fault codes other than 245 and 246 are present, proceed with DME system troubleshooting to eliminate the faults.

If fault codes 245 and 246 are present they should be cleared without further DME system troubleshooting.

2. Remove 3 (M6) air pump mounting bolts.





3. Tilt the air pump up and remove the connector.

Note:
The hoses can remain connected to the air pump.





4. Check the air pump wires for correct location.
CORRECT WIRE LOCATIONS
Pin number 1 = 4.0 mm Brown
Pin number 2 = 4.0 mm Red wire with yellow tracer





5. Slide the yellow locking tab over to unlock the connectors.





6. Remove the connectors using pin removal tool (BMW tool number 88 88 6 611 132). Reinstall the connectors with the brown wire in position number 1 and the red wire with the yellow tracer in position number 2.





7. Slide the yellow locking tab back to the locked position.

8. Reinstall the air pump connector and resecure the pump with the 3 (M6) bolts.