Is it normal that BMW x3 will not upshift without putting the accelerator on the steep slope bridge?

It is normal for BMW x3 not to release the throttle and the gearbox not to upshift after climbing the steep slope bridge. According to relevant information, BMW x3 needs a large torque to climb the steep slope bridge, and the gearbox will delay the upshift. Before shifting gears, you need to release the throttle consciously, and the gearbox will respond immediately and automatically complete the upshift. BMW X3 is a unique SUV, which introduces the concept of a brand-new SUV sport utility vehicle and is equipped with BMW patented xDrive intelligent all-wheel drive system.