Palm Pre Touchstone dock hardwired into BMW 3 Series
An enterprising BMW 3 Series owner has taken it upon himself to hard wire a Palm Pre Touchstone charger dock into his vehicle's center console. The Touchstone charging system is a pretty awesome bit of tech. Essentially, this charging base magnetically holds the smartphone in place while it wirelessly charges the battery using an inductive electromagnetic field.
The Pre's Touchstone looks right at home in this 3 Series' interior.
(Credit: iSmashPhone.com/bretov)The install itself seems pretty straightforward. The power adapter is hardwired into the the vehicle's 12-volt system, then the Touchstone is secured to the center tunnel with the wires hidden from view. Instead of fumbling with chargers and dongles, the owner just hops into the car, places the Pre on the magnetic stone, and drives off.
In a vehicle that supported Bluetooth hands-free and audio streaming, this would be a tremendous jump in convenience. Perhaps in the future, more phone manufacturers will support inductive charging and Bluetooth standards so that automakers will be able to implement solutions like this at the OEM level.
I wonder how the Touchstone's magnetic grip holds up under serious lateral g-forces?
Check out more images and details at iSmashPhone.

marriage made in heaven !
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by rickhigginshtbr
June 22, 2009 6:49 AM PDT
- 1 - Figure out where you want to put it
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by qitupx
July 14, 2009 12:54 PM PDT
- I don't think that would work, I'm pretty sure that cig lighter part inverts the dc to ac and brings the voltage down to 5 volts from the 12 the car shoots out.
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(7 Comments)2 - Cut the cig lighter part off
3 - Run the wiring to a switched 12v source... throw a fuse inline if you want.
4 - Done.
That's going to be the basic how to for any car. Just a matter of where to mount it and how much fabrication will be needed.