; BMW X6 (E71) Original radio options - InCarTec

There are multiple original radio options in the BMW X6 (E71), which option is the original fitted system?

BMW-X56-01 - BMW X5/X6 (NON AMPLIFIED) BMW-X56-01 - BMW X5/X6 (NON AMPLIFIED)
BMW-X56-02 - BMW X5/X6 (MOST AMPLIFIED) BMW-X56-02 - BMW X5/X6 (MOST AMPLIFIED)