Before BMWs offered Bluetooth systems in their cars, they were equipped with telephone systems from Motorola, Siemens and others as a factory-installed option.
Euro V series - similar in appearance to the US V90
Siemens BIT II phone (Euro)
BMW HiLine Dual Phone System with FID (rear MID) Radio Control also shown in the BMW L7
CMT4000 US Version Apollo Euro Version
CMT3000VR - similar in look to the CMT4000 although older electronics