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how to fix electric power steering problems in BMW 5 Series F10/F11 (2010-2017) - BMW 5 Series
Home/Cars/BMW/5 Series/F10/F11 (2010-2017)/how to fix electric power steering problems in BMW 5 Series F10/F11 (2010-2017)

how to fix electric power steering problems in BMW 5 Series F10/F11 (2010-2017)

BMW 5 Series F10/F11 (2010-2017)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
535 words

Problem Statement

Electric power steering (EPS) issues in the BMW 5 Series F10/F11 (2010-2017) can lead to heavy steering, lack of assist, or intermittent steering assistance, making driving diffic

Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems to avoid shock or shorts.
  • •Ensure the vehicle is securely lifted and supported if working underneath.

Symptoms

  • •Steering wheel feels heavy or unresponsive
  • •Intermittent loss of power steering assist
  • •Warning light for power steering on the dashboard
  • •Noisy steering operation (whining or grinding sounds)
  • •Difficulty in steering at low speeds

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Torque wrench
  • •Siphon or turkey baster

Parts Required

  • •Power steering fluid (manufacturer-recommended type)
  • •Replacement power steering motor (if necessary)

Additional Information

Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Allow the vehicle to cool if the engine has been running.
2. Inspect and Replace Power Steering Fluid
  • Sub-steps:
    1. Locate the power steering fluid reservoir and remove the cap.
    2. Use a siphon or turkey baster to remove old fluid from the reservoir.
    3. Refill with manufacturer-recommended power steering fluid (check owner's manual for specifications).
    4. Start the engine and turn the steering wheel from lock to lock a few times to circulate the new fluid.
    5. Recheck the fluid level and add more if necessary.
3. Repair or Replace Power Steering Motor
  • Sub-steps:
    1. Disconnect the electrical connector from the EPS motor.
    2. Remove any bolts securing the EPS motor to the steering rack.
    3. Carefully pull the motor out of its housing.
    4. Install the new or repaired EPS motor in reverse order of removal, ensuring all bolts are torqued to manufacturer specifications.
    5. Reconnect the electrical connector.
4. Clear Error Codes
  • Sub-steps:
    1. Reconnect the negative battery terminal.
    2. Use the OBD-II scanner to clear any stored trouble codes that were present.
    3. Test drive the vehicle to ensure proper operation of the steering system.