ULF is the BT phone module.
Cars with an i-bus (e46,e39, some X5s etc) use a ULF, cars with i-drive use a M-ULF and both these units connect to thier cars onboard computer network and "talk" to each of other cars onboard systems, CD, radio, navigation, LCM, TV etc.
__________________
Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.
|