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my BMW 5 Series F10/F11 (2010-2017) transmission skips gears what should I check - BMW 5 Series
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my BMW 5 Series F10/F11 (2010-2017) transmission skips gears what should I check

BMW 5 Series F10/F11 (2010-2017)

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

Problem Statement

The transmission in a BMW 5 Series F10/F11 (2010-2017) is skipping gears, indicating a potential issue with transmission fluid, electronic controls, or mechanical components.

Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Allow the engine to cool before working on the transmission.

Symptoms

  • •Check engine light illuminated
  • •Unusual shifting behavior (skipping gears)
  • •Delayed engagement when shifting
  • •Engine revs higher than normal during shifting
  • •Transmission fluid leak under the vehicle
  • •Poor acceleration

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
  • •Socket set
  • •Multimeter
  • •Torque wrench
  • •Funnel

Parts Required

  • •Transmission fluid (as specified by the manufacturer)
  • •Transmission filter (if applicable)
  • •New gasket for the transmission pan
  • •Transmission solenoids (if needed)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and parts.
  • Ensure the vehicle is parked on a level surface with the engine off.
  • Disconnect the battery to prevent electrical shorts.
2. Check and Replace Transmission Fluid
  • Sub-steps:
    1. Remove the transmission fluid pan using a socket set.
    2. Allow old fluid to drain into a suitable container.
    3. Replace the transmission filter if applicable.
    4. Clean the transmission pan and magnet (if present).
    5. Reinstall the pan with a new gasket, tightening to manufacturer specifications (typically 8-10 Nm).
    6. Fill the transmission with new, manufacturer-recommended fluid using a funnel (consult the owner’s manual for the correct type).
3. Inspect Electrical Connections
  • Sub-steps:
    1. Locate the TCM and inspect all wiring harnesses for damage or corrosion.
    2. Disconnect and reconnect electrical connectors to ensure a good connection.
    3. Use a multimeter to test the resistance of the solenoids per the service manual specifications.
4. Check Transmission Solenoids
  • Sub-steps:
    1. Remove the transmission solenoids based on the specific model instructions.
    2. Test solenoid operation by applying voltage and checking for movement.
    3. Replace any defective solenoids with new ones.