Is Your BMW Vibrating While Accelerating? Know the Reasons Your BMW accelerates when the rear wheels exert a force against the ground in a horizontal direction. And if your BMW car shakes while accelerating, there could be many reasons for it to occur. Mostly, a vibrating BMW indicates that a problem has occurred and you need to take it to a professional. Only a BMW specialist can fix it before the issue grows in size and so the repair bill.
Reasons for vibration while acceleration Damaged CV joint There can be an issue with the CV joint, it can be damaged and causing vibrations while driving the BMW. The CV joints are located mostly at the end of the axle points. There are two joints, outer and inner. When the inner joint gets damaged, you can observe that the car starts vibrating under hard acceleration. Because of wear and tears in the joints, CV joints can get damaged and cause failure. When water and dirt get inside the joints boot, the metal on metal contact eventually causes failure because of no proper lubrication and too much friction.
Loose lug nuts When lug nuts are not loosened, the wheels will become shaky and while driving it will seem like the BMW is vibrating. If the nuts are not checked & tightened, the nuts could ultimately loosen out, and your wheel could fall off while driving.
Broken motor mounts The main function of motor mounts is to stick your BMW engine to the frame of the vehicle. A secondary purpose is to reduce engine vibrations, so the owners of the car don't feel the constant vibrating of the engine while it's on. Engine mounts are made up of a hard rubber which allows them to absorb these shaking. When a motor mount is damaged, not only will you feel a lot of shaking motion in the car, other parts in the engine can get misaligned and eventually break since the engine is not in its specific location.
Bent driveshaft If your BMW has rear-wheel drive, power from the engine to the rear axle and connected wheels is delivered through the driveshaft. If the driveshaft is even slightly bent or damaged mostly due to accident, it will cause the car to vibrate when accelerating at low speed and the vibration will increase with an increase in speed.
Unbalanced tires It mostly happens when you get new tires, and they don't get properly fixed or balanced. When tires get mounted on the wheel, they never the same mass all the way around. When a tire rotates, any weight imbalance will turn into a tiny vibration. At much higher speeds where the tire is rotating much faster, the vibrations will be more observable, and your steering wheel will shake. When your BMW vibrates at a constant speed and is far worse at higher speeds, you may have an unbalanced tire.
Stuck brake caliper Even the brake caliper can be responsible for causing stickiness to the wheel. Then it will cause the BMW to shake. You will also notice that the steering will start shaking while reaching 40-50 mph. The shaking will get worse when you accelerate at high speeds continuously. Also, when your car stops, a burning odor will start coming out.
Worn tire treads Each tire has trodden on them, which makes them grip the ground and makes your BMW more stable and structured. But at the same time, treads on your tire are the most vulnerable areas in your car and they can get affected easily. Because the tire treads constantly work when you are driving as they rotate when the tires do. Eventually, they can very quickly get flat and out of the texture. Your car will experience a lot of vibrations which will get more intense when you accelerate faster.
Loose wheel bearings The main function of wheel bearings is to stop your tires from friction and make them greasy to stop the vehicle from generating heat. When these bearings become unbalanced, your BMW car experiences vibrations. So, if you want to save your BMW from becoming unstable, reach out for the best garage for BMW repair & service. Regular maintenance can only keep your BMW away from such vibration issues.