Control Arms and Parts for BMW 325i
The BMW 325i was introduced in 1987 during the second generation of the BMW 3 series and has continued to see new models, including sedan and coupe variants. One of the main sets of parts that creates such a smooth ride in the car is its control arms on the BMW's underbody. These parts are extremely important to the BMW 325i for multiple reasons and may need replacement after many years of driving the vehicle.Where are the control arms on the BMW 325i located?
In the BMW 325i, the control arms are located directly behind the wheels. To access them, you'll need to detach the wheels. It's important that you do this to check how many control arms your 325i has.What parts are in the BMW 325i's control arms?
Control arms are made of three distinct parts. Each part plays an integral role in proper functionality for the BMW's control arms. You may be able to find some of these parts sold separately, but generally, you will find these BMW 325i parts sold as entire kits.
- Arm: The majority of each control arm is the actual metal arm. This durable piece of metal keeps the wheel and suspension locked in their respective places.
- Bushings: Three bushings are used to keep everything secure. Control arms in the BMW will have one bushing to connect and secure the ball joint and two at the other end.
- Ball joint: This part of the BMW's control arm is what allows the wheel to move. Its design is that of a small ball held inside a slightly larger socket by a molded plastic or rubber casing. This allows the ball to rotate without popping out of place.
Control arms for the BMW 325i perform three important tasks for the car. Each of these functions helps keep the car's steering functional and keep the ride extremely smooth.
- Wheel stability: The control arms in the BMW 325i make sure that the entire wheel system is in line with the body of the car. They do this through the metal arm that is part of the kit, which forms a connection between the body and wheel. This arm is so durable and strong that it keeps the wheel from moving out of alignment even on extremely rough terrain.
- Up-down movement: In all cars, the control arms allow the entire system to move vertically rather than having the car's cabin move vertically. The arms do this via a ball joint, which keeps the wheel moving when hitting a bump or pothole. This dampens any jolts you would feel inside the BMW's cabin.
- Connection: The control arms also act as an extremely efficient link between the BMW's body and its suspension. The ball joint and arm allow for proper communication and cushioning between the interior of the cabin and the cushioning system, making your ride extremely comfortable.