Is Apple turning their secret facility in Sunnyvale, California into private Nurburgring test track? It is because a resident who live near the secret facility start complaining about loud noises produced during late-night even when windows closed.
(Do) there have to (be) motor noises at 11:00 p.m. at night like last night?Even with the windows closed I could still hear it.
Apple acquires seven buildings with three companies believe to be shell corporation for Apple. The company reported have setup auto work area and repair garage at the location. Maybe the loud noise which people heard are the sound came from various supercars which usually being used as benchmark for their future product.