SAIC IM L7 Smart Electric Sedan ETS2 1.60-1.61

This update primarily fixes the following:
* Fixed the issue of no engine/motor sound
* Fixed the game crash caused by an incorrect engine sound definition
* Fixed the abnormal chassis weight of the original vehicle; the original weight was approximately 8 tons, readjusted to approximately 2165 kg
* Readjusted the physics to a small pure electric sedan
* Adjusted to rear-engine, rear-wheel drive
* Recalibrated motor parameters to 250 kW / 475 N·m equivalent performance
* 0–100 km/h target time approximately 5.9 seconds
* Top speed target approximately 200 km/h
* Rebuilt a pure electric single-speed fixed-ratio gearbox
* Fixed the abnormal power performance caused by the original truck-style multi-speed gearbox *
Fixed the issue of the vehicle feeling like it was driving at 50–60 km/h at 100 km/h
* Readjusted the speed feel inside the vehicle and in the third-person view
* Corrected the front-to-rear axle weight distribution to 50:50
* Readjusted the suspension travel to reduce the swaying sensation similar to a heavy truck
* Fixed abnormal tire physics data
* Front tires are now 245/45
R19 Rear wheels set to 275/40 R19
* Original vehicle model, interior, textures, and original motor sound resources retained
* Re-adapted to ETS2 1.60.x data structure
Credits:
Kumiko