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Old 07-28-2010, 12:25 PM   #2
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Join Date: Oct 2009
Location: UK
Posts: 1,030
My Ride: 1999 328i
To save yourself some effort, you could buy the Bmw HVAC relocation panel, which moves the AC controls to just above the ashtray. For the ibus interface you need a TH3122. For the commands, you can use navcoder to monitor the ibus. You will find that the hvac does not broadcast to the ibus. You will need inpa or SSS to stimulate the hvac and navcoder to log the diagnostic commands. You should visit mp3car to find out the best software to use. You may find most of the ibus stiff is written already. E39 uses the boardmonitor to control the hvac and the e46 is largely compatible. You will find the bezel for the LCD cost a lot of money.
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