Nothing beats the BMW vehicle form pampering their occupants. Be them potholes, humps, bumps and bruises and other forms of vibrations, every passenger and driver gets the feel of comfort and security in every travel embarked. Give due credit to its suspension system for its precise control, handling and balance in the driveability in a BMW car. And one vital component of the suspension system that achieves its purpose with flying colors is the BMW Control Arm.



Also known as the wishbone or A-arm of the suspension system, the BMW Control Arm is nearly a flat and roughly triangular member (sub-frame) pivoting in two places. The broad end is attached to the suspension member to the chassis and pivots on a bushing, or cylindrical linings that reduce friction and restrains the auto parts from going in all directions. It manages the motion of the wheel in order to synchronize with the body of the car. Whereas the narrow end attaches to the steering knuckle while pivoting on a ball joint.

In the BMW vehicle , several control arms are constituted with the upper control arm and the lower control arms. The lower control arms provide the suspension setting parts with a rotational movement whenever the car is cornering. This results to complimenting the suspension system in dispersing chassis flex for a convenient traveling pleasure.

Other than the aforementioned functions, the BMW Control Arm enables the coil springs to respond to the axle and wheel assembly while encountering the bumps and bruises along the way. The pivots at the other end of the control arm (which attaches the parts to the chassis) allow for the up and down motion of the coil springs to absorb the shocks during bumps.

The control arm synchronizes all four tires to the motion of the vehicle for a comfortable, vibration-free ride. It also improves steering and less tire wear-out with the less-traction contact surface as the rubber meets the road. As you can see, the two bottom points of the BMW control arms that form the letter A are attached to the frame of the vehicle while the top point is attached to the spindle. Three or four control arms are placed between the rear axle housing and the frame if you have coil springs in both the front and rear suspensions.

With everyday use and countless miles of pressure, the wear and tear factor will definite sink into the BMW Control Arm. As it carries the brunt when it comes in two's to share the pressure of dispersing flex across the chassis. Though it has proven its toughness, it will come into deterioration through rut and flex. It is imperative, therefore, to have them checked regularly. Have them lubricated at every oil inspection. If not handling and steering would come as a hindrance with a set of bad control arms. To renew such peak performance under extreme pressure, habitual inspections and replacements are great advises for such problems. Don't let the joys of driving your BMW be annihilated through a busted control arm.