FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
my BMW 3 Series F30/F31 (2012-2019) won't start after filling up with gas what could it be - BMW 3 Series
Home/Cars/BMW/3 Series/F30/F31 (2012-2019)/my BMW 3 Series F30/F31 (2012-2019) won't start after filling up with gas what could it be

my BMW 3 Series F30/F31 (2012-2019) won't start after filling up with gas what could it be

BMW 3 Series F30/F31 (2012-2019)

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

Problem Statement

The BMW 3 Series F30/F31 (2012-2019) is experiencing a no-start condition after refueling.

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 performing any work.

Symptoms

  • •Check engine light illuminated
  • •Engine cranks but does not start
  • •Fuel smell near the vehicle
  • •Possible fuel gauge malfunction
  • •No clicking sound from the starter
  • •Engine stalling shortly after starting

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
  • •Fuel pressure gauge
  • •Noid light
  • •Socket set
  • •Torque wrench

Parts Required

  • •Spark Plug
  • •Ignition Coil
  • •Fuel Injector
  • •Battery
  • •Seal
  • •Fuel Pump

Additional Information

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

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • Disconnect the battery to ensure safety.
  • Allow the fuel system to depressurize by removing the fuel pump relay.
2. Inspect Fuel System
  • Tool Required: Fuel pressure gauge
  • Steps:
    1. Connect the fuel pressure gauge to the fuel rail service port.
    2. Turn the ignition key to the "ON" position without starting the engine and check the fuel pressure reading. It should be within manufacturer specifications (typically around 50-60 psi).
    3. If the pressure is low, check the fuel pump relay and fuse for any issues.
3. Replace Fuel Pump (if necessary)
  • Parts Required: New fuel pump
  • Steps:
    1. Relieve the fuel system pressure by removing the fuel pump relay.
    2. Disconnect the electrical connector and fuel lines from the fuel pump module.
    3. Remove the fuel pump module from the fuel tank by following the manufacturer's service manual.
    4. Install the new fuel pump into the module and reassemble.
    5. Reinstall the module into the tank, ensuring all seals are in place.
4. Check Ignition System
  • Tool Required: Noid light
  • Steps:
    1. Disconnect the electrical connectors from the fuel injectors.
    2. Connect the noid light to the injector connector and crank the engine.
    3. Observe the noid light; it should blink, indicating the injector is receiving a signal.
    4. If the noid light does not illuminate, inspect the wiring and ECU for issues.
5. Reassemble and Test
  • Reconnect the battery and fuel pump relay.
  • Start the engine to ensure proper operation.