how to fix the low oil pressure light on BMW 5 Series F10/F11 (2010-2017)

BMW 5 Series F10/F11 (2010-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

555 words

Problem Statement

The low oil pressure light is illuminated on a BMW 5 Series F10/F11 (2010-2017), indicating a potential issue with the engine's oil pressure system.

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the oil drain plug.

Symptoms

•Low oil pressure warning light illuminated on the dashboard
•Engine noise (ticking or knocking) due to insufficient lubrication
•Oil leaks under the vehicle
•Oil level low or oil appears dirty
•Engine stalling or rough idle

Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if necessary.
2
Inspect for visible oil leaks around the oil pan, oil filter, and oil pressure sending unit.
3
Scan the vehicle’s OBD-II system for any related error codes.
4
Test the oil pressure using a mechanical oil pressure gauge.
5
Inspect the oil pressure sending unit for faults or damage.
6
Check the condition and grade of the oil used; ensure it meets manufacturer specifications.

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
•Socket set
•Torque wrench
•Oil filter wrench
•Mechanical oil pressure gauge
•Oil drain pan
•Jack and jack stands

Parts Required

•Engine oil (5W-30 or 0W-40)
•Oil filter
•Oil pressure sending unit

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the engine oil level using the dipstick and add oil if necessary.
2
Inspect for visible oil leaks around the oil pan, oil filter, and oil pressure sending unit.
3
Scan the vehicle’s OBD-II system for any related error codes.
4
Test the oil pressure using a mechanical oil pressure gauge.
5
Inspect the oil pressure sending unit for faults or damage.
6
Check the condition and grade of the oil used; ensure it meets manufacturer specifications.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts.

2. Change Engine Oil and Filter

Sub-steps:
1. Raise the vehicle using jack stands and secure it.
2. Remove the drain plug from the oil pan using a socket set and allow the old oil to drain completely into a pan.
3. Replace the oil filter using an oil filter wrench, ensuring the old O-ring is removed.
4. Install the new oil filter and hand-tighten only.
5. Reinstall the drain plug with the specified torque (typically around 25 Nm).
6. Fill the engine with new oil that meets BMW specifications (usually 5W-30 or 0W-40, depending on engine type).

3. Replace Oil Pressure Sending Unit

Sub-steps:
1. Locate the oil pressure sending unit, usually situated near the oil filter.
2. Disconnect the electrical connector from the sending unit.
3. Remove the sending unit using a socket set.
4. Install the new oil pressure sending unit and torque it to the manufacturer’s specifications (typically around 15-20 Nm).
5. Reconnect the electrical connector.

4. Test Oil Pressure

Sub-steps:
1. Install a mechanical oil pressure gauge by removing the oil pressure sending unit.
2. Start the engine and monitor the oil pressure readings.
3. If readings are low, further inspection of the oil pump may be necessary.