how to fix BMW 5 Series F10/F11 (2010-2017) that won’t start but clicks

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

587 words

Problem Statement

The BMW 5 Series F10/F11 (2010-2017) is experiencing a no-start condition with a clicking sound when the ignition is engaged, indicating potential issues with the starting system

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Clicking noise when turning the ignition key
•Dashboard lights dimming or flickering upon ignition attempt
•Engine does not crank
•Battery warning light illuminated
•Remote key fob not functioning properly (if applicable)

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.6 volts when fully charged.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the starter motor by bypassing it with a jumper wire to see if it engages.
4
Scan for any error codes using an OBD-II scanner to check for related issues.
5
Verify the condition of the ignition switch by testing continuity when in the 'Start' position.
6
Inspect the fuse related to the starter circuit for any blown fuses.

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
•Wire brush
•Screwdriver set
•Jumper wire for testing

Parts Required

•New battery (if needed)
•New starter motor (if needed)
•New ignition switch (if needed)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should read at least 12.6 volts when fully charged.
2
Inspect battery terminals and cables for corrosion or loose connections.
3
Test the starter motor by bypassing it with a jumper wire to see if it engages.
4
Scan for any error codes using an OBD-II scanner to check for related issues.
5
Verify the condition of the ignition switch by testing continuity when in the 'Start' position.
6
Inspect the fuse related to the starter circuit for any blown fuses.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure you have a safe working environment, with the vehicle parked on a flat surface and the engine cool.

2. Battery Inspection & Replacement

Disconnect the negative battery terminal using a socket wrench.
Remove the positive battery terminal.
Inspect the battery for physical damage or leakage.
If the battery voltage is below 12.4 volts, replace the battery with a new one of the same specifications.
Clean the battery terminals with a wire brush to remove any corrosion.
Reconnect the positive terminal first, followed by the negative terminal.

3. Starter Motor Inspection & Replacement

Locate the starter motor, typically found near the transmission bell housing.
Disconnect the wiring harness and the battery cable from the starter.
Remove starter mounting bolts using a socket set.
Carefully pull the starter motor out of its housing.
Inspect the starter gear and solenoid for damage.
If damaged, install a new starter motor:
- Position the new starter motor and secure it with mounting bolts to the specified torque (usually around 20-25 Nm).
- Reattach the wiring harness and battery cable.
Reconnect the battery and test the starting system.

4. Ignition Switch Inspection & Replacement (if necessary)

Remove the steering column cover using a screwdriver.
Disconnect the wiring harness from the ignition switch.
Test the ignition switch for continuity in the 'Start' position.
If faulty, remove the ignition switch from its housing.
Install the new ignition switch by reversing the removal steps.
Reassemble the steering column cover.