my BMW 5 Series F10/F11 (2010-2017) wipers are not working properly

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

564 words

Problem Statement

The windshield wipers on a BMW 5 Series F10/F11 (2010-2017) are not functioning properly, indicating a potential issue with the wiper system.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the vehicle to cool down before working on components near the engine.

Symptoms

•Wipers do not move at all
•Wipers move intermittently or erratically
•Wipers make a grinding noise when activated
•Wiper fluid does not spray
•Wipers are stuck in an upright position

Diagnostic Steps

1
Inspect the wiper switch for proper function and ensure it's in the correct position.
2
Check for blown fuses related to the wiper motor in the fuse box.
3
Test the wiper motor by applying direct power to it using a multimeter.
4
Examine the wiper linkage for any signs of damage or disconnection.
5
Inspect the wiper blades for wear or damage that may affect performance.
6
Check the wiring harness for any signs of corrosion or disconnection.

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 (optional for diagnostics)
•Multimeter
•Socket set
•Pliers
•Screwdrivers
•Fuse puller

Parts Required

•Wiper motor (if faulty)
•Wiper linkage assembly (if damaged)
•Wiper blades (if worn)

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Diagnostic Steps

1
Inspect the wiper switch for proper function and ensure it's in the correct position.
2
Check for blown fuses related to the wiper motor in the fuse box.
3
Test the wiper motor by applying direct power to it using a multimeter.
4
Examine the wiper linkage for any signs of damage or disconnection.
5
Inspect the wiper blades for wear or damage that may affect performance.
6
Check the wiring harness for any signs of corrosion or disconnection.

Solution

1. Preparation

Gather tools required for the repair.
Disconnect the vehicle battery to prevent electrical shock.
Ensure the vehicle is on a flat surface and secured with wheel chocks.

2. Check and Replace Fuses

Locate the fuse box: Refer to the owner's manual to find the wiper fuse location.
Remove the fuse: Use a fuse puller or needle-nose pliers to take out the wiper fuse.
Inspect the fuse: Check for a broken filament; replace if necessary.
Install a new fuse: Use the same amperage as specified in the manual.

3. Test and Replace the Wiper Motor

Access the wiper motor: Remove the wiper arms by loosening the retaining nuts; lift them off the splines.
Remove the motor cover: Unscrew any covers to expose the motor.
Test the motor: Connect the multimeter leads to the motor terminals and apply direct power from the battery.
Replace the motor if faulty: If the motor does not operate, disconnect it and replace with a new unit. Reverse the steps to install.

4. Inspect and Repair Wiper Linkage

Remove the wiper linkage: Unscrew the linkage from the wiper motor and the arms.
Inspect for damage: Look for bent or broken linkage components.
Replace if necessary: If any parts are damaged, replace them and reinstall the linkage securely.

5. Reassemble Components

Reattach the wiper motor: Secure it in place with screws and reconnect the electrical connector.
Reinstall the wiper arms: Align properly on splines and tighten with nuts.
Reconnect the battery and test the wipers to ensure proper function.