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{warning:title=Before Performing any Work}Please read [Cautions and Warnings\|https://wiki.bentleypublishers.com/x/hgJq] before proceeding with any work on your vehicle{warning}

h4. On-board computer, retrofit

In this article we will replace the standard (w/o on-board computer) directional stalk with an On-board computer stalk and then reprogram the instrument cluster using a factory scan tool to access the on board features.

Please refer to the [Bentley E46 Service manual|http://www.bentleypublishers.com//bmw/repair-information/bmw-3-series-e46-1999-2005-repair-manual.html] for appropriate repair procedures, including all pertinent warnings and cautions.


* remove air bag

{warning}Airbags are pyrotechnic explosive devices. Proper removal procedures must be followed when servicing these systems. Use car when working on vehicles fitted with airbags.{warning}
* remove steering wheel
* remove clock spring
* remove and replace directional stalk with part #61 31 8 363 668
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* reinstall in reverse order
* enter coding program funtion with GT-1 or equivalent. We will show the procedure with a GT-1.

* Following images show each screen shots of retrofit procedure using BMW GT1 scan tool.

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* Once complete with on-screen direction retrofit is complete.

You should now have option on instrument cluster to view
* temperature
* MPG
* Time


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