Decided to swap out the sport wheel in my wife's '03 e53 with my 4 spoke heated wheel from my '03 e39. Im assuming its not gonna be a straight swap since the x5 most likely wont have the pre-wiring for heated steering. You guys think i can also swap the slip ring from my e39 and the e53? also you think the relay from my e39 will fit the e53??

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