Hi, this link shows the OE tail lamps for your 2001 Z3: https://www.carid.com/2001-bmw-z3-oem-lighting/bmw-oe-rear-lamps-tail-lamps-2779316765.html . Unfortunately, the tail lamps are out of stock and we do not have the information as to when they will become available. You may also want to look at our aftermarket factory-style tail lamps for your car, which can be found at this link: https://www.carid.com/2001-bmw-z3-factory-tail-lights/