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      08-21-2013, 09:21 PM   #3
techwhiz
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Drives: e90 335i Sedan - Arctic
Join Date: Feb 2012
Location: Bay Area, Ca

iTrader: (4)

Nexus 7, custom mount, BT receiver in the center console, mini OBD connector.
hardwaire the Nexus 7.
CoPilot for offline Nav = $10 and if you can tether it to a phone traffic for the first year for free.
Torque Pro so you can look at all the engine stats.

You don't even want to think about a retrofit. Sell the car and buy one with Nav.


$400< and you get a good setup.