What is a ULF module?
What is a ULF module?
The BMW Bluetooth Control module (ULF) also known as “BMW Universal Hands-Free System with Bluetooth® Wireless Technology” was manufactured by Visteon (the Ford Automotive electronics spin off). Visteon provided BMW a custom version of their MACH Voice Link starting in 2002.
What is BMW TCU module?
The TCU is BMW Assist (BMW Assist is a telematics platform) and Bluetooth (Bluetooth disabled if 6FL is part of the vehicle order). If you have a TCU, you can swap it out for a MULF2 and all you need to do is run a USB cable between the module and the center console, basically.
What is the difference between ECU and TCU?
ECU is engine control unit. TCU is transmission control unit. ECU runs the engine management and general power system, TCU controls shift points in auto mode and sets rev limits for up and down shifting in Tip mode.