; Landrover Discovery II (L318)* Original radio options - InCarTec

There are multiple original radio options in the Landrover Discovery II (L318)*, which option is the original fitted system?

Landrover Discovery 2 (Alpine Cassette) Landrover Discovery 2 (Alpine Cassette)
Landrover Discovery 2 (Becker Navigation) Landrover Discovery 2 (Becker Navigation)
Landrover Discovery 2 (BMW Cassette) Landrover Discovery 2 (BMW Cassette)
Landrover Discovery 2 (Visteon CD) Landrover Discovery 2 (Visteon CD)