Aiming at the problem of the gearbox bearing and gear shaft locking due to the startup sequence error in the high- speed gear units startup process. Through the technical analysis of the gearbox casing structure. the bearing structure and the lubricating oil stations. of a high- speed gear transmission device without pre- lubricated startup is designed and developed. https://www.nacrack.com/amazing-price-1997-2000-BMW-528I-Front-Bumper-Reinforcement-Bar-Used-Original-Exterior-OEM-great-save/