Shift mechanism assembly introduce

The shifting structure of automobiles is divided into gear lever, cable, gear selection and shifting structure, shift fork and synchronizer. The function of the gear lever is to control the gear position, engage and disengage gears. The function of the cable is to pull the gear position and provide gear changes. The function of the gear selection and shifting structure is to distinguish between engaging gears or gear changes. The function of the shift fork and synchronizer is to combine and separate the gears of each gear position)

Installation of gear shifting mechanism assembly

(1) Remove the battery ground wire and odometer flexible shaft (2). Remove the clutch cable from the clutch release fork drive arm (3) Remove the connecting bolts (4) between the upper part of the shifting mechanism assembly housing and the engine. Remove the middle bracket of the engine, remove the engine exhaust device (5), and remove the transmission shaft from the shifting mechanism assembly. (6) Remove the reverse light and fuel consumption indicator wiring harness connectors. Remove the front lower protective plate of the shifting mechanism assembly housing and remove the starter (7) Loosen the fixing screws between the shift lever connector and the inner gear lever. Press out the support rod from the ball head of the shift lever connector to separate the inner gear lever from the shift lever connector. Install the 2071 support plate on the xx jack and gently lift the transmission

BMW 740Li introduce

The BMW 740Li is a high-end luxury sedan produced by BMW Germany. It belongs to the BMW 7 Series and is only produced locally in Germany. The new 740Li is equipped with a 4.0-liter V8 engine, which is an upgrade from the old 3.6-liter V8 engine. After a minor facelift, the new 7 Series has a more friendly appearance. In addition to using BMW's Double VANOS dual camshaft variable valve timing system, the new engine also uses a continuously adjustable Valvetronic electronic valve drive mechanism, significantly reducing fuel consumption and emissions. The maximum power of the engine is 225 kW, and the maximum torque is 390 Nm. The new i-drive system has also been upgraded to accelerate from stationary to 100 km/h in just 4.6 seconds, making operation faster and more convenient. However, it is still the most complex system among all BMW models