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  1. E90/E91/E92/E93 (2006 - 2013)
    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...