BMW E39 Radio Installation in BMW 5 Series
After a charming week with the moving journey, I found myself sitting at the ferry terminal late at night, waiting to pick up my wife (I’ve been married for coming-on 6 years, the in-laws threw in the towel long ago). Docking was inevitably delayed, and as I waited, the local station began playing Young the Giant’s “My Body.” As the first kicks of the bass drum came through, the back panel of the BMW E39 Radio decided it was time to start buzzing like the trunk of a 90s Civic with a Bazooka tube at all volumes. In the wake of using the tape deck, we decided that sacrificing tape functionality was acceptable.
I’ve finally zeroed in on the whistling/whining noise that has plagued this BMW E39 Radio installation since day one. Although the Sony receiver includes small magnets which you’re instructed to thread both the DC power and antennas through, at higher than low volumes, during quieter segments of songs, there was a perceptible and annoying whine that increased in frequency in proportion with the engine speed. After some experimentation, I fixed the problem by ordering some flexible magnet sheeting from McMaster-Carr, an amazing supplier whose inventory makes Home Depot look like the corner hardware store.
Not only to install and remove BMW E39 Radio, but also for other similar stereo systems like BMW X5 Radio and Toyota Mark X Radio, you have to arrange some key tools. Anyway, I bought 2 ft. of part number 5756K32 which you can easily ring up by searching with that part number. Total cost, with tax and shipping, was about $8. The material is relatively thin and highly pliable; using a pair of scissors and some electrical tape, I cut two long strands and covered the exterior of the receiver cradle, covering nearly the entire black casing, ensuring to cut holes for the cradle circular base and the air vents on both sides. Then I proceeded to cut long and thin strands to horizontally wrap around as much of the power and antenna cables.
Basically, we cut the preamp output from the head unit that carries the tape audio signals to the rear of the car and spliced in the output from the MP3 player. A truer scientific study would have covered each of these three–power cable, receiver cradle, antenna cable–separately and tested the unit between each to see the result. But I just decided to go all out. Boy, it was worth it to install BMW E39 Radio for your sedan. Once done, I fired up the engine and cranked up one of the news stations, as I headed down the street for a test. Accelerated hard several times, nearly redlining the engine, and I was pleased to hear not a trace of that dreaded noise.
Source from：http://www.topcardvd.com/blog/BMW-E39-Radio-Installation-in-BMW-5-Series/
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