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Hi everyone:

I am seriously thinking about swapping out my PCM1 nav system in my 2000 Carrera C4 for a double DIN nav system. I've read everything I could find on these forums and it seems like most people go with either Pioneer, Kenwood or Alpine. Over on the Boxster forum are some great DIYs using Euro Motorspeed's frame which is abslutely critical to the swap.

My question is that I assume the only thing of real value that I would lose in doing the swap is the Porsche travel statistics (mpg, distance travelled, etc) that are accessed by pushing the BC button. i know that some are duplicated on the dash computer but not all. Can anyone confirm that the new HU's don't have the capability to decipher the car's stat's.

Thanks in advance.

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I've got a Pioneer AVIC-Z110BT installed in my Boxster.

If you go to Pioneer's web site, you can down load a copy of the installation manual and the owner's manual. Check page 94 (of the 211 page! manual), Chapter 13 Customizing preferences: "Using the 'Gas Mileage' function". On page 95, there is information about "Recording your travel history". This system has more whistles and bells than most people can remember or use. Being an analog man, I need an IT expert as a passenger.

I have no experience with other brands. But I would not hesitate to recommend the Pioneer series of nav systems based on my experience with the AVIC-Z3 and AVIC-Z110BT.


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I recently installed a Kenwood DNX 6960 in my car, and it does duplicate the trip computer function found in OEM systems. I haven't really used it though, because I generally use the information in the instrument cluster of my 996 for this type of information.

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