As far as I know there should be no correlation between bluetooth function and nonoperational door lock transmitter. Just for the record, when I performed my bluetooth retrofit, there was nothing changed to the fuse box. I simply installed the MULF2 module and had the car programmed.
2007 BMW 328i Coupe
Space Grey | Black Interior/Aluminum Trim | BMW Performance Springs | Bilstien B8 Sport Struts | lux V5 H8 Angel Eyes | LCI Tail Lights | OEM 6FL USB/iPod Retrofit | OEM Bluetooth Retrofit | MULF2 | M-Tech Steering Wheel | LCI Paddle Shifters | OSRAM CBI