my BMW 5 Series F10/F11 (2010-2017) shakes when I brake, what's wrong?

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

The BMW 5 Series F10/F11 (2010-2017) is experiencing shaking or vibration during braking, indicating a potential issue with the braking system or related components.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always allow the brakes to cool before working on them to avoid burns.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Vehicle shakes or vibrates during braking
•Steering wheel vibrates when braking
•Increased stopping distance
•Brake pedal pulsates
•Possible squeaking or grinding noise when brakes are applied

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pads for thickness and even wear.
3
Examine suspension components for wear or damage (e.g., control arms, bushings).
4
Verify wheel alignment and balance.
5
Inspect brake calipers for proper functioning and check for sticking or binding.
6
Scan for any error codes related to the ABS system using an OBD-II scanner.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Lug wrench
•Jack and jack stands
•Socket set
•Torque wrench
•Dial indicator (for rotor inspection)
•Bungee cord (for hanging caliper)

Parts Required

•Brake rotors (if warped or worn)
•Brake pads (if worn)

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pads for thickness and even wear.
3
Examine suspension components for wear or damage (e.g., control arms, bushings).
4
Verify wheel alignment and balance.
5
Inspect brake calipers for proper functioning and check for sticking or binding.
6
Scan for any error codes related to the ABS system using an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Use wheel chocks to secure the vehicle.

2. Remove Wheel

Use a lug wrench to loosen the lug nuts slightly while the vehicle is on the ground.
Raise the vehicle using a jack and secure it with jack stands.
Fully remove the lug nuts and take off the wheel.

3. Inspect and Replace Brake Components

A. Check Brake Rotors

Inspect the rotors for warping using a dial indicator.
If warped, remove the rotors by removing the caliper (see next step) and unbolting the rotor from the hub.

B. Remove Brake Caliper

Use a socket wrench to remove the caliper bolts.
Carefully hang the caliper using a bungee cord or similar device to avoid stress on the brake line.

C. Replace or Resurface Rotors

If rotors are warped beyond acceptable limits (usually >0.002 inches), replace them with new ones.
If they can be resurfaced, follow manufacturer specifications for minimum thickness.

D. Replace Brake Pads

Remove old brake pads from the caliper bracket.
Install new brake pads, ensuring they are oriented correctly.

4. Reassemble

Reinstall the brake caliper over the new pads and rotor.
Tighten the caliper bolts to the manufacturer's specified torque.
Reattach the wheel and hand-tighten the lug nuts.

5. Lower Vehicle and Torque Wheel Nuts

Carefully lower the vehicle from the jack stands.
Use a torque wrench to tighten the lug nuts to the manufacturer's specified torque.