Factory MAF Mass Air Flow sensor for a 2006-2008 E85 E86 BMW Z4. Will only work for the 3.0i and 3.0si models. Will not work for M models. The sensor is in good working condition off of a running and driving 2006 BMW Z4 with 111k miles. In good physical condition with no damage to the sensor or housing. You will need to reuse some of your existing hardware for installation.