Observe the shape and surface design of the insert. Smooth, air-flowing shapes help reduce drag, while rough, irregular surfaces may increase drag. You can get more accurate information by looking up the relevant technical specifications or consulting a professional aerodynamic engineer.
Perform a wind tunnel test and, if conditions permit, place the wheel with the new insert in a wind tunnel to directly measure the change in air resistance.
Weight assessment:
Compare the weight of the new insert to the original insert. Use accurate weighing equipment to measure. If the new insert is significantly heavier, it may have an adverse effect on suspension and handling.
Understand the material of the insert. Lightweight but high-strength materials generally have less impact on performance, while heavier materials may increase unsprung mass.
Heat dissipation:
Check the ventilation structure of the insert. Good ventilation design can promote air circulation and help the brake system dissipate heat. Observe the number, size and layout of the vents on the insert.
Perform actual braking performance testing. Under different driving conditions, including frequent braking and sudden braking after high-speed driving, feel the sensitivity and stability of the brakes to determine whether the cooling effect is affected.
Fitness and compatibility:
Confirm the fit of the new insert with the wheel hub and the vehicle as a whole. Check whether the installation is firm and whether there is any looseness or abnormal vibration.
Consult the BMW manufacturer or a professional car modification agency to find out whether the insert has been tested and certified for the BMW iX3.
Actual driving experience:
Test drive under safe and legal road conditions. Pay attention to whether the vehicle’s handling performance such as acceleration, braking, steering, etc. has changed, and whether the noise and stability during driving are different from before the insert was replaced.
Monitor the vehicle’s energy consumption data. If the vehicle’s power consumption increases significantly after replacing the insert, it may mean that the performance has been negatively affected.
Through the comprehensive evaluation of the above multiple methods, it can be more accurately determined whether the wheel hub insert will affect the vehicle performance of the BMW iX3.
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