Operation CHARM: Car repair manuals for everyone.

Procedure:


Procedure:
CAUTION - Whenever connecting or disconnecting the transmission Control Module the IGNITION MUST BE SWITCHED OFF.





- Lay the control module face down on the static mat and carefully bend up the tabs on the cover only as far as necessary to remove the cover.





- With the cover removed, remove the EPROM security cap by inserting a small straight blade screwdriver into the slot on each long side and releasing the catch by gently prying outward against the side.





- Remove EPROM from circuit board using the IC extractor tool.





- Install the new updated EPROM using the IC inserter tool.





- The EPROM is correctly installed when the notch in the EPROM aligns with the notch in the IC socket.


- Assure that all the EPROM contact pins are fully inserted by pushing down on the EPROM until the stop is felt.

- Reinstall EPROM security cap.

- Replace cover and bend tabs down.

- Affix "BMW NA Quality Control" sticker onto front of control module cover for future identification of modification to control module. Label will be included with order.