why does my BMW X5 G05 (2019-2024) have a low oil pressure light on

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is on a flat surface, and the engine is cool.
• Disconnect the battery to prevent electrical issues.

2. Inspect and Replace Oil Pressure Sending Unit

1. Locate the oil pressure sending unit, typically near the oil filter or on the engine block.
2. Disconnect the electrical connector from the oil pressure sending unit.
3. Use a socket wrench to remove the oil pressure sending unit.
4. Install the new oil pressure sending unit by threading it into the block and tightening it to the manufacturer’s specifications (usually around 15-20 Nm).
5. Reconnect the electrical connector.

3. Change Engine Oil and Filter

1. Drain the old engine oil by removing the oil drain plug; allow oil to fully drain into a catch pan.
2. Replace the oil filter using an oil filter wrench; lubricate the rubber O-ring on the new filter with fresh oil before installation.
3. Reinstall the oil drain plug and tighten to the manufacturer's torque specifications (typically 25-30 Nm).
4. Fill the engine with the correct type and amount of oil (check the owner’s manual for specifications, usually 0W-30 or 5W-30).
5. Start the engine and let it run for a few minutes, then check for leaks around the oil filter and drain plug.

4. Test Oil Pressure

1. Reconnect the battery.
2. Start the engine and let it idle.
3. Use a mechanical oil pressure gauge to verify that the oil pressure is within the normal range (generally between 20-60 psi at idle and higher during acceleration).
4. If pressure is still low, further diagnostics may be needed, such as checking the oil pump.