1、Ideal Fitment: Radio wiring harness is a perfect replacement for E53 X5 2001‑200, for E39 5 Series 2001‑2004, which can provide perfect matching. 2、High Accuracy: Audio wiring harness adopts CNC machine tool technology, with high accuracy and completely consistent with the original car adapter interface. 3、Easy Install: Stereo wiring harness designed with plug and play mounting method without any complicated tools, which is convenient to use, saving time and effort. 4、Stringent Production: Sound wiring harness is manufactured to meet standard specification, strictly follow factory quality control, bring you more convenience. 5、Excellent Material: Radio harness plug made of premium ABS, rubber and metal, wear resistant and rust resistant, sturdy and durable, which can be used for a long time.