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Contributed by: JPuma
High OBC Retrofit
BMW has a kit (65 90 0 308 455) for retrofitting the high-On Board Computer (OBC). It is valid for E39 and E53 vehicles. This is perfect for those who want to retrofit the navigation system, the main reason the kit was introduced, or just to have the advanced BC features. The only thing in the kit is the wiring harness (61 12 0 306 722) and 20 cable ties (61 13 1 367 599). BMW will not sell the kit in the U.S. at this time, but they did allow the the p/n for the wiring harness to be mastered, meaning it should be orderable. As of yet no price is set is on the part, but it should be available for order. In addition to the harness, the high cluster and coolant level switch are also required. Some diesel models will also require a new expansion tank. As for the recalculated ZCS code, "On-board computer High" is an option in the Retrofit path of DIS software, so any dealer can do the recoding. BMW retrofit instructions: http://www.bmwmotorsports.org/pdf/High_OBC_retrofit.pdf Credit to Joe Puma, Tyrone (E39 board), and
Vaheh (Crevier) for supplying much of this information |
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Linear Mode
