; BMW 3 Series (E46) Original radio options - InCarTec

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There are multiple original radio options in the BMW 3 Series (E46), which option is the original fitted system?

BMW E46 Basic system BMW E46 Basic system
BMW E46 Basic with harman kardon BMW E46 Basic with harman kardon
BMW E46 Nav round pin tuner BMW E46 Nav round pin tuner
BMW E46 Nav with Quadlock tuner BMW E46 Nav with Quadlock tuner