Does the BMW 3 Series need to replace the bulging tire?

[HaileyFitz]

Tire bulging must be replaced. Tire structure: The tire is composed of tread, shoulder, sidewall, bead, carcass, belt layer, inner liner and other components combined with each other. It is one of the important parts of the car, which is in direct contact with the road surface, and together with the car suspension, it alleviates the impact when the car is driving, ensuring good ride comfort and driving smoothness. Tire classification: Tires can be classified by structure into radial tires and bias tires. By pattern, they can be divided into rib pattern, transverse pattern tires, mixed pattern tires, and off-road pattern tires. By type, they can be roughly divided into 8 types. By size, full-size spare tires have exactly the same specifications as the other 4 tires on the car, and can replace any temporarily or already unusable tire. Non-full-size spare tires have slightly smaller diameter and width than the other 4 tires, so they can only be used as temporary replacements, and only for non-driving wheels, with a maximum speed not exceeding 80km/h.