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Oil Level Sensor Replacement
 
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Pelican Technical Article:

Oil Level Sensor Replacement

Nick Czerula

Time:

2 hours2 hrs

Tab:

$200

Talent:

***

Tools:

Set of sockets, wrenches, screwdrivers, drain pan

Applicable Models:

BMW X5 (2000-06)

Parts Required:

Oil level sensor, engine oil

Hot Tip:

Work with a cool engine

Performance Gain:

Car will display correct oil level

Complementary Modification:

Change oil and filter at same time

The oil level sensor is located in the oil pan. It sends oil level data to the DME and is relayed to the instrument cluster. The sensor is prone to failure in two ways: it can fail electrically and it can leak oil. When it fails electrically, you will see a yellow oil warning light on the instrument pane. If a yellow oil warning light illuminates on your instrument panel, immediately shut the engine OFF and check the engine oil level. If the oil level is OK and the warning light is ON, the sensor has likely failed. The DME (engine control module) will likely have a fault code for the faulty sensor.

When servicing, have a suitable container to drain and catch the dripping engine oil. Have rags to clean any engine oil that is spilled and always wear eye protection and gloves.

Start by raising and supporting the front of the vehicle safely. Consult our article on raising and supporting the vehicle safely. Working beneath front of vehicle, remove the plastic splash shield and reinforcement plate to gain access to the engine oil pan. Do not drive vehicle with reinforcement plate removed. Chassis damage can occur. See our article on splash shield and reinforcement plate removing.

BMW E53 X5 models utilize an oil level sensor (green arrow located in the oil pan (yellow arrow).
Figure 1

BMW E53 X5 models utilize an oil level sensor (green arrow located in the oil pan (yellow arrow). Place an empty drain pan (with a volume of 7 quarts of engine oil); under the engine oil pan. Remove the engine oil drain plug and allow the engine oil to drain into the container. If you plan to reuse your engine oil, be sure the container is clean and free of debris. Once the engine oil is fully drained, reinstall the engine oil drain plug and tighten.

Clean the area around the oil level sensor thoroughly.
Figure 2

Clean the area around the oil level sensor thoroughly. Working at the oil level sensor, disconnect the electrical connector by squeezing the release tabs and pulling the electrical connector straight off the sensor.

Then remove the three 10mm mounting nuts from the oil level sensor (green arrows).
Figure 3

Then remove the three 10mm mounting nuts from the oil level sensor (green arrows).

Remove the oil level sensor from the oil pan.
Figure 4

Remove the oil level sensor from the oil pan. Be prepared to catch any dripping oil. Once the sensor has been removed from the oil pan, clean the oil level sensor mounting area thoroughly.

To install: Apply a small amount of new engine oil to the oil level sensor seal.
Figure 5

To install: Apply a small amount of new engine oil to the oil level sensor seal. Install the oil level sensor into the oil pan. Tighten three nuts (9 Nm (6.6 ft-lb)) and reconnect the electrical connector. Fill the engine with oil. Start the engine and allow it to run for one minute. Then inspect the oil level sensor for leaks. Once you are sure no leaks are present, reinstall the plastic splash shield and reinforcement plate.

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Comments and Suggestions:
fuhsba Comments: My check engine oil level/sensor light came on. I replaced the sensor as described in PelicanParts tech article. The oil level/sensor light still comes on everytime I turn of the vehicle. Oil level is good. How do I reset this level/sensor indicator light? 05 x5 4.4 e53 n62.
October 3, 2016
  Followup from the Pelican Staff: Try clearing the fault codes in the DME. Once cleared the light should go out. If not, the sensor wiring to the DME may be faulty. - Nick at Pelican Parts  

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Page last updated: Mon 12/5/2016 02:23:26 AM