For 09/2002- 2006 for BMW(E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic& for M3(For Coupe, For Sedan& For Convertible). This product just the connector into the back of the radio, connect the two wires with ACC(red)& GND(black).
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