Has anyone successfully installed the full retrofit kit (P/N 65 12 0 399 635) for non-prewired cars made after 3/09. I've had a lot of pushback from local dealers and was curious if anyone had done it themselves. If you have, was it difficult to run the wire into the engine compartment and into the trunk? Was the trim relatively easy to remove? After the car was reprogrammed, did the system work properly (my dealer is convinced it will not)? Did your dealer charge you to reprogram the computer? I'm basically trying to decide if this is a worthwhile undertaking. The dealer is willing to install it for $1500, which is insane. I have a 335i sedan with premium/sport/cold weather (5/09 prod). I have the clown-nose mirror and the proper ceiling trim already installed. Please don't direct me to another thread unless it actually answers these questions. Thanks for the help!
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