Does anyone can help on this work?

I checked ETK on the parts, it shows below difference between vehicles with cruise control and non-cruise control:

Steering column switch, lower cover of steering column cover, instrument cluster.

Does it mean that I can have cruise control function by replacing above said parts and encode them? Is there anything else I need to replace or change?

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--2004 E53 X5 4.8is - ECE version; right hand drive; Located in Hong Kong; ext. black sapphire metallic; int. leather black; adaptive dynamic bi-xenon headlights; 16:9 onboard monitor w/o navigation; 20" genuine BMW Y-spoke 214 wheels with Bridgestone Dueler H/P Sport tires; Int. rear view mirror w/ compass.