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If you find these issues plaguing your BMW, your control arm bushings may be wearing out. These rubber pieces contribute significantly to your suspension’s functionality and connect the control arms and the vehicle’s frame. In high-performance vehicles like BMW models, these bushings are essential to keeping your vehicle’s steering action smooth and coherent. If over time, you’ll find that Phoenix’s extreme heat can cause your rubber bushings to crack, harden, or deteriorate, leading to potential problems with your suspension. One must address any bushing issues with their vehicle to ensure it maintains longevity, value, and safety. At our Phoenix auto shop, we happily offer control arm bushing inspection and replacement so your drive stays smooth and secure.
Control arm bushings are flexible joints that attach your suspension control arms to the vehicle's frame, absorbing shocks and vibration. They will significantly reduce the noise at high speeds and vastly improve the ride's comfort, serving as the softened connection to the chassis that will keep absorbing bumps in the road. The more advanced vehicles like BMW often use multiple control arms, or multi-link suspensions with numerous bushings, maintaining precise wheel alignment. Some BMW models even use hydraulic damping to improve damping. When all the bushings are adequately cared for, you’ll feel a more vibration-free steering action and stability that BMWs are known for. However, when your bushings crack or tear, you’ll surely feel a difference in the comfort of your ride. When the bushing allows excessive movement in the suspension joint, it can throw off the alignment angle, increasing tire wear. In short, healthy control arm bushings are crucial to proper alignment, stabilized handling, and evenly distributed tire wear on your BMW.
How do you know if your control arm bushings might be due for replacement? Keep an eye (and ear) out for these common symptoms of bushing wear:
These symptoms tend to worsen over time. What starts as a faint squeak can become a loud bang as the bushing further deteriorates. If ignored, a completely torn bushing can lead to metal-on-metal contact, damaging the control arm or subframe of your BMW. For your safety and comfort, it’s best to have any such symptoms inspected promptly.
No matter the heat, our Phoenix auto shop is ready to treat your European vehicle’s multi-link bushings, common in BMW and Volvo models, when they come to their time which is around 60k-100k miles of wear. When you bring your BMW in for repair, we’ll do a full suspension inspection, checking all control arm bushings, ball joints, tie rods, and other linkage points for wear. If a control arm bushing is cracked, a new one may be pushed in, or the whole control arm may be replaced. A precise alignment follows this, so your tire life is extended and your steering wheel is straightened. We’ll install polyurethane bushings upon request, depending on the model. The goal is to make your next drive through Phoenix smooth and pleasant.
Phoenix Suspension Tip: Extending the life of your control arm bushings and overall suspension, inspect the undercarriage at our Phoenix auto shop, as the extreme dry heat around here can cause the rubber to dry out and become brittle.
They connect the vehicle to the control arms and the wheel to its chassis, which significantly helps absorb the road vibrations and shocks. They are crucial for smooth comfort and steering stability.
Some more common signs include odd clunking when going over bumps and hitting the brakes. If the BMW begins to vibrate at higher speeds, this is a dangerous indication that the control arm bushings are severely worn, making the alignment shift and forcing the vehicle to pull to one side.
The slightly worn-out bushings will only cause slight noise and alignment drift, but these symptoms will worsen until the control arm bushings are replaced. Allowing the bushings to degrade further can be extremely dangerous and, at high speeds, could cause a severe accident. So, we recommend getting the repair done at our Phoenix auto shop ASAP.
Control arm bushings replacements in Phoenix should be conducted every 60,000 to 100,000 miles. However, if you drive on many rough roads in high heat, consider getting them inspected every 50k miles.