-Raise the front of your Miata using jack stands or ramps. Make sure the car is in Park and the emergency brake is engaged.
-Locate the oil drain plug on the bottom of the engine oil pan. It is a 17mm bolt.
-Place an oil drain pan under the oil drain plug.
-Loosen the oil drain plug and allow the oil to drain into the pan.
-Once the oil has drained, replace the oil drain plug.
-Locate the oil filter on the side of the engine block, just above the oil pan.
-Use a strap wrench or oil filter wrench to loosen and remove the oil filter.
Be sure to catch the remaining oil as you remove the filter.
-Apply a thin coat of new engine oil to the gasket of the new oil filter.
-Screw the new oil filter onto the oil filter housing until it is hand tight.
-Do not over-tighten the oil filter.
-Lower the vehicle.
-Start the engine and let it run for a few minutes.
-Check for leaks under the car.