how to fix the windshield wipers not working on my BMW 5 Series G30/G31 (2017-2024)

BMW 5 Series G30/G31 (2017-2024)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

591 words

Problem Statement

The windshield wipers on a BMW 5 Series G30/G31 (2017-2024) are not functioning, which may affect visibility during adverse weather conditions.

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks.
•Allow the engine to cool before working near heated components.

Symptoms

•Windshield wipers do not operate at any speed
•Wiper motor makes no noise when activated
•Wipers may be stuck in one position
•Washer fluid does not spray when activated
•Dashboard warning light for wipers may be illuminated (if applicable)

Diagnostic Steps

1
Check the wiper switch for proper operation and ensure it's not in the "off" position.
2
Inspect the wiper fuse using the owner's manual to locate the correct fuse and check for continuity.
3
Use an OBD-II scanner to check for any fault codes related to the wiper system.
4
Test the wiper motor by applying direct power to it to see if it operates.
5
Inspect the wiper linkage for any damage or disconnection.
6
Check the washer fluid level and pump operation.

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
•Multimeter
•Socket set
•Fuse puller
•Wrench set
•Wiper arm puller (if necessary)

Parts Required

•Wiper fuse (if blown)
•Wiper motor (if faulty)
•Washer fluid pump (if faulty)
•Wiper blades (if worn)

Related Faults

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Diagnostic Steps

1
Check the wiper switch for proper operation and ensure it's not in the "off" position.
2
Inspect the wiper fuse using the owner's manual to locate the correct fuse and check for continuity.
3
Use an OBD-II scanner to check for any fault codes related to the wiper system.
4
Test the wiper motor by applying direct power to it to see if it operates.
5
Inspect the wiper linkage for any damage or disconnection.
6
Check the washer fluid level and pump operation.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the battery to avoid electrical shorts.

2. Inspect and Replace Wiper Fuse

Locate the fuse box (typically under the dashboard or in the engine compartment).
Remove the wiper fuse using a fuse puller or pliers.
Inspect the fuse for any visible signs of damage (burnt or broken wire).
If damaged, replace it with a new fuse of the same amperage (refer to the owner's manual for specifications).

3. Test and Replace Wiper Motor (if necessary)

Reconnect the battery and turn on the ignition.
Disconnect the wiper motor connector.
Use a multimeter to test for voltage at the motor connector while operating the wiper switch.
If voltage is present but the motor does not operate, replace the wiper motor.
- Remove any necessary covers to access the wiper motor.
- Disconnect the motor wiring harness and remove mounting bolts.
- Install the new motor by reversing the removal steps.

4. Inspect and Repair Wiper Linkage

Remove the wiper arms using a puller tool if needed.
Check the wiper linkage for any signs of wear or breakage.
Lubricate the linkage if it is stiff; replace it if it is damaged.

5. Test Washer Fluid Pump

Locate the washer fluid reservoir and ensure it has sufficient fluid.
Disconnect the pump connector and test for voltage while activating the washer switch.
If no voltage is present, check the fuse again; if voltage is present, replace the washer pump.