HISTORY and COMPARISON of BMW ULF Modules – Bimmernav HISTORY and COMPARISON of BMW ULF Modules The Voice-link system was designed to connect directly to the BMW Universal II phone wiring harness connector, that was put in all BMWs (except new Style) starting around March 2002. BMW E46 INSTALLATION INSTRUCTIONS MANUAL Pdf Download. BMW E46 Installation Instructions Manual . Bmw universal verify that the BMW Universal Bluetooth Hands-Free System is working correctly by going through the Page 21 ULF Wiring Schematic for the E46 with Boardmonitor Light Switch input Bluetooth Antenna X4545 X9988 X10015 X10016 Interface Switch not in use X4545 X13016 X9987 Fuse box BMW X5 E70 - fusesdiagram Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box BMW X5 E70.