; Mini Hatch & Convertible 3rd Gen (F55, F56, F57) Original radio options - InCarTec

There are multiple original radio options in the Mini Hatch & Convertible 3rd Gen (F55, F56, F57), which option is the original fitted system?

Enclosed Subwoofers/ Drivers Enclosed Subwoofers/ Drivers
Extra Slim Subwoofers Extra Slim Subwoofers
Spare Wheel Subwoofers Spare Wheel Subwoofers
Underseat Subwoofers Underseat Subwoofers