MB Quart QMB 100X

Specifications

10 cm (4”) 2-Way Coaxial Speakers 
2 x 60 Watts RMS
2 x 120 Watts MAX
Impedance 4 Ohms
Frequency Response 75 – 22000 Hz
100 mm Poly Cone Midwoofer
20 mm Silk Dome Neodymium Tweeters (swiveling)
Mounting Depth 43 mm
Mounting Diameter 92 mm 
Car-specific Connectors, Adapter Rings

https://mbquart.audiodesign.de/english/files/QMB100C_QMB100X_QMB200C-comp-list.pdf

Fits into various BMW E / F / G and MINI R Models.