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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > N52 Valve Cover gasket



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      05-11-2013, 07:57 PM   #1
Asetoy2nr
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N52 Valve Cover gasket

Hello All,
I'm new to this forum, and would like to give additional information to the valve cover gasket DIY'ers. I have access to Alldata and want to share this info to make the job much easier.
First, remove the bolts marked 1 and pull the cover 2 off. Much easier if you gently pull the silver piping from of the firewall.
Second, remove the nut inside the cowl cover, also marked 1.
Third, tape off your hood 1, lift off the cover 2, remove bolt 4, from cowl 3.
Now you will be able to partially lift the cowl off of the firewall, and place a spacer in between. I used a half in drive extension. This will give you the additional clearance you need to work the valve cover in and out of the engine compartment
The coolant reservoir is relocated, unplug the coolant level sensor, and pull the reservoir forward towards the headlight, without disconnecting the hoses. I bungeed mine to the bottom of the bumper cover.
The valve cover will slip right out. It does still get a little stuck with the PCM enclosure.
Don't let the eccentric shaft motor spring out, that can cause damage to the eccentric shaft. The motor has a 4mm hex opening in the back. Turn your Allen socket clockwise, by hand until you feel it stop. Undo the motor screws, and now you turn the Allen counter clockwise, the motor will push itself out. reverse to install.
Thanks all, and hope this info helps
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      09-17-2018, 10:00 AM   #2
urbze90
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thanks for the explanation.
quick question....I replaced my valve cover gasket and I was not aware of the eccentric motor spinning out. what should I do now? my car is not drivable now ... do I need to take it to the shop and get eccentric motor calibrated or something similar?
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      09-17-2018, 05:06 PM   #3
hassmaschine
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turn it fully clockwise to the service position (there's a hex key in the end of the motor). reinstall it.

You do not need to do any special calibration. Luckily, you didn't brake the shaft off the motor..
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      09-18-2018, 01:26 AM   #4
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Thanks OP! this will be handy down the road. Btw, what is Alldata?
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      09-20-2018, 12:37 PM   #5
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Originally Posted by E91Swagger View Post
Thanks OP! this will be handy down the road. Btw, what is Alldata?
Website that has wiring diagrams/service manuals for most vehicle makes/models (costs $$). IMO, newtis is a better resource. For more useful websites, click my name, see my profile, then click on my youtube channel and watch "The best online resources to bookmark."
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      12-27-2019, 04:28 PM   #6
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Loosening the cowl and removing those parts is a brilliant tip. I was at the point where I was considering dropping the subframe and removing the engine mounts!
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      01-04-2020, 01:56 PM   #7
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This was a good tip. Helped me regain my sanity in the middle of this project. Thanks!
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