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how to diagnose BMW 5 Series F10/F11 (2010-2017) transmission codes P0700-P0799 - BMW 5 Series
Home/Cars/BMW/5 Series/F10/F11 (2010-2017)/how to diagnose BMW 5 Series F10/F11 (2010-2017) transmission codes P0700-P0799

how to diagnose BMW 5 Series F10/F11 (2010-2017) transmission codes P0700-P0799

BMW 5 Series F10/F11 (2010-2017)

Error Codes
3-5 hours
Time
medium
Difficulty
medium
Severity
Error Code: P0700-P0799
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ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
651 words

Problem Statement

The BMW 5 Series F10/F11 (2010-2017) is experiencing transmission-related issues indicated by fault codes P0700-P0799, which typically denote general transmission problems and may

Error Code
P0700-P0799
Estimated Time
3-5 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 components.

Symptoms

  • •Check engine light illuminated
  • •Transmission fault message displayed on the dashboard
  • •Rough or harsh shifting during acceleration
  • •Delay in engagement when shifting from park to drive or reverse
  • •Unusual noises from the transmission area
  • •Decreased fuel efficiency

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
  • •Torque wrench
  • •Multimeter
  • •Funnel

Parts Required

  • •Transmission fluid (specific to BMW specifications)
  • •Transmission filter (if applicable)
  • •Gasket for transmission pan
  • •Replacement sensors (if necessary)

Additional Information

Error Code
P0700-P0799
Estimated Time
3-5 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
4 items

Related Faults

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Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Ensure the vehicle is on a level surface and secured with wheel chocks.
  • Disconnect the battery to avoid any electrical shorts.
2. Check and Replace Transmission Fluid
  • Sub-steps:
    1. Remove the transmission fluid drain plug using a socket set and drain the fluid into a suitable container.
    2. Replace the drain plug and torque to manufacturer specifications (typically around 25 Nm).
    3. Refill the transmission with new fluid (ensure it's the correct type for BMW, such as BMW ATF or equivalent) using a funnel and fill until reaching the correct level.
    4. Start the engine and cycle through the gears to circulate the new fluid, then recheck the level and top off if necessary.
3. Inspect and Replace Transmission Filter (if applicable)
  • Sub-steps:
    1. Remove the transmission pan using a socket set; be cautious as fluid may still be present.
    2. Remove the old filter and replace it with a new one, ensuring it is seated properly.
    3. Clean the transmission pan and magnet, then reinstall the pan with a new gasket, torquing the bolts in a crisscross pattern to the specified torque (typically around 10 Nm).
4. Repair or Replace Faulty Sensors
  • Sub-steps:
    1. Identify the faulty sensor based on the diagnostic steps and codes retrieved.
    2. Disconnect the wiring harness from the faulty sensor.
    3. Remove the sensor using the appropriate socket or wrench.
    4. Install the new sensor, ensuring it is torqued to the manufacturer specifications.
    5. Reconnect the wiring harness securely.
5. Reconnect Battery and Clear Codes
  • Sub-steps:
    1. Reconnect the battery terminals and ensure they are tightened.
    2. Use the OBD-II scanner to clear any stored transmission fault codes.
    3. Perform a final check on the system for new codes after a test drive.