Home 1 Series 2005-2011 (E81/E82/E87/E88) Eccentric Shaft Sensor Gasket – BMW N52 6 Cylinder Engine

Eccentric Shaft Sensor Gasket – BMW N52 6 Cylinder Engine

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Eccentric Shaft Sensor Gasket – BMW N52 6 Cylinder Engine

The eccentric shaft sensor gasket is a very common point of oil leakage in the N52 6-cylinder engine. The good news is it is very easy replace, even for the novice home mechanic. The following are step-by-step instructions along with a parts list and parts diagrams.
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Possible Symptoms: Oil leak on top of the cylinder head cover
This repair can be used on the following BMW models:
Intermediate level repair.

Step 1 - Purchase Parts

You will need the following parts and supplies to perform this repair.

Eccentric Valve Sensor Gasket

This is the same factory eccentric valve sensor gasket that would be installed at the BMW dealership. N52 plastic valve covers only.

Step 2 - Repair Procedure

Unless otherwise noted, all vehicle repair step images in this article are copyrighted, and used courtesy of BMW of North America, Inc. .

The N52 six-cylinder engine was found in many different BMW vehicles. The following instructions may differ slightly depending on year and model.

1. Replacing the eccentric shaft sensor gasket
You must remove the acoustic (ignition coil) cover befor starting theis repair.

For complete steps on removing the acoustical cover, please refer to our article Engine Acoustic Cover Removal – BMW N52 6 Cylinder Engine

Locate the eccentric shaft sensor
Click to enlarge image

- Locate the eccentric shaft sensor (1). Unlock and disconnect the connector.

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Use a small flat blade screw driver to slightly lift the edge of the rubber gasket
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- Use a small flat blade screw driver to slightly lift the edge of the rubber gasket.

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Use a plastic trim removal tool to remove the gasket from the cylinder head cover
Click to enlarge image

- Use a plastic trim removal tool to remove the gasket from the cylinder head cover.

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Grasp the gasket and remove it from the cylinder head cover
Click to enlarge image

- Grasp the gasket and remove it from the cylinder head cover.

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Coat the new gasket with engine oil and insert into the cylinder head cover
Click to enlarge image

- Coat the new gasket with engine oil and insert into the cylinder head cover.

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Use a 32mm deep socket to press the gasket into place as shown in the image
Click to enlarge image

- Use a 32mm deep socket to press the gasket into place as shown in the image.

- Reconnect the plug.

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