Hazardous waste is waste that poses substantial or potential threats to public health or the environment. In the United States, the treatment, storage, and disposal of hazardous waste is regulated under the Resource Conservation and Recovery Act (RCRA).
Porsche recommends that the oil in the Boxster be changed every 15,000 miles as a part of the normal maintenance procedure. The recommended oil is Mobil 1 comes in several different grades. If you wish to change your oil more often and want to avoid some of the expense associated doing so, you can change it yourself.
How to replace a widow regulator in a Porsche Boxster. This procedure to replace the window regualtor is similar in all models of boxsters, 986,986,981 and all models of the new 911's including the 996,997 and 991.1  Autos & Vehicles. 2  Standard YouTube License.ow to replace a widow regulator in a Porsche Boxster. This procedure to replace the window regualtor is similar in all models of boxsters, 986,986,981 and all models of the new 911's including the 996,997 and 991. 1  Autos & Vehicles.