The OBC (4th) stalk is the only stalk which is removable from the 4-stalk unit. It just scews into place. It is actually added onto a standard 3-stalk unit, but Porsche will not sell it separately because they want to sell the OBC option and making the 4th stalk available would preclude this.
When I did my OBC hack, I actually bought a 996 4-stalk unit and removed the OBC stalk because the 996 has auto Cruise Control and the Boxster doesn't. So I removed it and screwed it onto my original 3-stalk unit.
Last edited by Lil bastard; 03-23-2008 at 07:23 AM.
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