We repair MULF, MULF 2 and MULF 2 HIGH , COMBOX FOR E AND F SERIES bluetooth modules.
The price differs with model though, so please check below.

The most common faults
Water damage: symptoms can vary. You can recognise water damage by the oxidation traces on connectors and on the motherboard. If you open up the metal case and you see oxidation traces on the mainboard, please send us clearly focused pictures for a quote.
The Bluetooth menu is not available – the bluetooth function cannot be enabled
You cannot connect your phone(s) to the MULF bluetooth module.
Instead of the phone icon, you see a ‘–‘
Interferes with the functioning of the CCC iDrive head unit: the CCC iDrive navigation freezes, the CCC executes user commands with a delay,
the iDrive controller seems to user commands, the iDrive controller spins freely.
More rarely, faulty MULFs can cause the iDrive CCC to reset after displaying the BMW logo.
A faulty MULF can also cause interruptions of the navigation voice or of the radio sound.

FAULTY Combox unit, standard symptoms include:

-no communication to Combox unit

-head unit says “connecting” and nothing

-some glitches like it won’t call or won’t receive calls, won’t play audio over bt

All our repair cames coded with car vin nr , 12 months warranty , plug & play service