MINI R50 R52 R53 Wave cassette only. E38 from 1996 4:3 on-board monitor, from facelift 1998 for all radios (except DSP). E39 up to facelift Sept. 2000 (except reverse radio and DSP). Adopt bluetooth 5.0 protocol, compatible with 2.0 3.0 4.0 other versions of bluetooth protocol.