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Abstract: How to retrofit an on-board computer system to non equipped models

Applies to: BMW 3 Series 1999-2005 - 6 cylinder models (platform: E46)

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 for appropriate repair procedures, including all pertinent warnings and cautions.

• remove air bag

• 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