He might actually have an aux port. Mines a 56 and has one.pvr said:If yours is a 2007 M, you will have an Aux port. If 2006 - you won't and the options are as above.
Stuart Truman said:If you have an aux port there are many options, otherwise you'll have to get into the wiring at the back of the CD Changer
RichardP said:Pins 3, 4 and 10 on connector (C) X13649 actually.