how to fix BMW 5 Series F10/F11 (2010-2017) that won't start and just clicks

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

502 words

Problem Statement

The BMW 5 Series F10/F11 (2010-2017) is experiencing a no-start condition, indicated by a clicking sound when attempting to start the engine.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine components to cool before inspection.

Symptoms

•Clicking noise when the ignition key is turned
•Dashboard lights dim or flicker when attempting to start
•No engine cranking action
•Battery warning light illuminated
•Possible intermittent electrical issues

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter motor by bypassing it with a direct connection to the battery.
4
Examine the fuses related to the starting system for any blown fuses.
5
Scan for fault codes using an OBD-II scanner to check for any related issues.
6
Inspect the ignition switch for proper function.

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

•Multimeter
•Socket set
•OBD-II scanner
•Jumper cables
•Safety gloves

Parts Required

•Battery (if defective)
•Starter motor (if defective)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter motor by bypassing it with a direct connection to the battery.
4
Examine the fuses related to the starting system for any blown fuses.
5
Scan for fault codes using an OBD-II scanner to check for any related issues.
6
Inspect the ignition switch for proper function.

Solution

1. Preparation

Tools Required: Multimeter, socket set, OBD-II scanner, jumper cables, safety gloves.
Disconnect the negative terminal of the battery to ensure safety.

2. Battery Inspection

Sub-steps:
1. Reconnect the battery terminals and check for tightness.
2. Use a multimeter to measure the battery voltage; it should be above 12.4 volts.
3. If the voltage is low, charge the battery or replace it if it can't hold a charge.

3. Starter Motor Test

Sub-steps:
1. Locate the starter motor (usually found near the transmission bell housing).
2. Disconnect the electrical connector from the starter.
3. Using jumper cables, connect the positive terminal directly to the starter terminal and the negative to the starter housing.
4. If the starter engages and the engine cranks, the starter is functional; otherwise, it may need replacement.

4. Inspect Fuses and Wiring

Sub-steps:
1. Locate the fuse box (typically under the dashboard or in the engine compartment).
2. Remove the fuses related to the starting system and inspect them for continuity.
3. Replace any blown fuses with the correct amperage rating.
4. Visually inspect wiring for any damage or loose connections.

5. Ignition Switch Check

Sub-steps:
1. Access the ignition switch by removing the steering column cover.
2. Inspect the wiring harness for damage or disconnections.
3. Use a multimeter to test the ignition switch for continuity when turning the key.