my BMW 5 Series F10/F11 (2010-2017) wipers stop working intermittently, what could be wrong?

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

426 words

Problem Statement

The windshield wipers on a BMW 5 Series F10/F11 (2010-2017) are experiencing intermittent operation issues, leading to unreliable performance during inclement weather.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the vehicle is on a flat surface and secured before starting repairs.

Symptoms

•Wipers operate erratically or intermittently
•Wiper motor makes a clicking sound
•Wipers fail to operate at certain speeds
•Wipers stuck in an upright position
•No response when wiper switch is activated
•Windshield washer fluid not dispensed

Diagnostic Steps

1
Inspect the wiper switch for signs of wear or damage.
2
Check the wiper motor for proper operation by connecting directly to power.
3
Examine the wiper relay for functionality using a multimeter.
4
Inspect the wiper linkage for any obstructions or damage.
5
Verify the condition of the wiring harness and connectors for corrosion or loose connections.
6
Use an OBD-II scanner to check for any related fault codes.

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

•Screwdriver set
•Wiper arm puller
•Multimeter
•Torque wrench
•Replacement parts (wiper motor, wiper switch, wiper relay)

Parts Required

•Wiper motor (if faulty)
•Wiper switch (if faulty)
•Wiper relay (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect the wiper switch for signs of wear or damage.
2
Check the wiper motor for proper operation by connecting directly to power.
3
Examine the wiper relay for functionality using a multimeter.
4
Inspect the wiper linkage for any obstructions or damage.
5
Verify the condition of the wiring harness and connectors for corrosion or loose connections.
6
Use an OBD-II scanner to check for any related fault codes.

Solution

1. Preparation

Gather required tools and parts.
Disconnect the battery to ensure safety during the repair.

2. Inspect and Replace Wiper Switch

Remove the steering column cover using a screwdriver.
Disconnect the wiper switch connector.
Test the switch with a multimeter for continuity.
If defective, replace with a new wiper switch and reconnect.

3. Test and Replace Wiper Motor

Remove the wiper arms using a wiper arm puller.
Disconnect the wiper motor electrical connector.
Apply direct power to the motor terminals to check operation.
If the motor does not operate, replace it with a new wiper motor.
Reinstall the wiper arms after motor replacement.

4. Check and Replace Wiper Relay

Locate the fuse/relay box (check owner's manual for exact location).
Remove the wiper relay and inspect for damage.
Replace with a new relay if faulty.

5. Inspect Wiper Linkage

Remove the cowl panel to access the wiper linkage.
Check for any signs of wear, binding, or breakage in the linkage.
Lubricate moving parts or replace the linkage assembly if damaged.

6. Reconnect and Test

Reconnect the battery.
Test the wipers for proper operation across all speeds.

Tools Required:

Screwdriver set
Wiper arm puller
Multimeter
Torque wrench
Replacement parts (wiper motor, wiper switch, wiper relay)

Parts Required:

Wiper motor (if faulty)
Wiper switch (if faulty)
Wiper relay (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical components.
Ensure the vehicle is on a flat surface and secured before starting repairs.