BMW 550i Shakes When Braking

Common Causes of Shaking in Your BMW 550i During Braking and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
55% chance it's the
Brake Rotor
0%
20% chance it's the
Brake Pad
0%
10% chance it's the
Old Brake Fluid
0%
15% chance it's
Something else
The most common reasons a BMW 550i shakes when braking are bad brake rotors, bad brake pads, or a bad wheel bearing.
  • Brake Rotor: A warped or worn brake rotor can cause vibrations during braking and reduced stopping power.
  • Brake Pad: A worn or damaged brake pad can lead to reduced braking efficiency and increased stopping distances.
  • Old Brake Fluid: Old brake fluid can absorb moisture over time, leading to reduced braking performance and potential corrosion within the brake system.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting Shaking When Braking in a BMW 550i

When addressing the issue of shaking while braking in your BMW 550i, begin by inspecting the brake rotors and pads, as these are the most frequent culprits. Check for any visible signs of warping or damage on the rotors, which can often be felt as a vibration through the steering wheel. If the rotors appear to be in good condition, examine the brake pads for wear; if they are worn down, replacing them may resolve the shaking. Next, assess the wheel bearings by lifting the vehicle and checking for any play in the wheels, as a faulty bearing can also contribute to this problem. If these components are functioning properly, consider examining the brake calipers for any signs of freezing or sticking, as well as the shocks and overall braking system for any irregularities. By following this diagnostic approach, you can systematically identify and address the root cause of the shaking, ensuring a safer and smoother driving experience.

What Causes Shaking When Braking in a BMW 550i?

When experiencing shaking while braking in a BMW 550i, it's essential to understand the common problems that could be causing this unsettling sensation. One of the primary culprits is often warped brake rotors, which can lead to a noticeable vibration in the steering wheel as you apply the brakes. Additionally, worn or damaged brake pads can exacerbate this issue, as they may not make even contact with the rotors. Other factors to consider include unbalanced or worn tires, which can create instability during braking, and faulty wheel bearings that may contribute to a shaking sensation. Suspension issues, such as worn-out components, can also play a role, as can bent axles or driveshafts. Engine misfires and loose motor mounts may further complicate the situation, leading to vibrations that are felt during braking. To ensure a safe and smooth driving experience, it's crucial to address these potential issues promptly, allowing for a thorough inspection and necessary repairs.

Why is My BMW 550i Shaking When Braking?

When your BMW 550i exhibits shaking during braking, it is crucial to address the issue without delay. Ignoring this symptom can lead to more severe problems, such as compromised braking performance and increased wear on other components of the braking system. The primary culprits often include warped or damaged brake rotors, which can cause a pulsating sensation and significantly affect your vehicle's handling. Additionally, excessively worn brake pads may not make proper contact with the rotors, resulting in vibrations that can escalate if left unchecked. This not only poses a safety risk while driving but can also lead to costly repairs down the line. Therefore, it is advisable to inspect and, if necessary, replace the brake rotors and pads to restore optimal braking performance and ensure your safety on the road. If you are uncertain about the cause of the shaking, seeking a professional diagnosis is a prudent step to prevent further complications.

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