PORSCHE Boxster MOTOREN Boxster-Motor wählen BOXSTER (981) MA1-22 MA1-23 BOXSTER (986) M-96-20 M-96-21 M-96-22 M-96-23 M-96-24 BOXSTER (987) M-96-25 M-96-26 M-97-20 M-97-21 M-97-22 MA1-20 MA1-21