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Old 08-15-2006, 03:01 AM  
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Join Date: Nov 2004
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Default M42/44 / 318ti Valve Cover Gasket DIY. PICS!

* DIY * Replace the Valve Cover Gasket and Spark Plugs on the M42/44 Engine.

Parts Needed:

M42/M44 Valve Cover Gasket: 11121721876
Rubber Bolt Washers (15x): 11121721879
Spark Plug Hole Gasket w/Bolt Hole: 11121721475
Spark Plug...

Last edited by 1996 328ti; 10-12-2013 at 08:54 PM. Reason: Included M42.
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By aldogg7 on 10-23-2018, 02:38 AM

Big bump for CirrusSR22's detailed write-up of this procedure with all of the pictures. Just did the whole thing on my M42 and it went flawlessly. Definitely a good time to replace the pair of cabin filters too. It looked like they had never been done on my 1995 TI.

And great advice from paul somlo on using a M6x1 nut to get the rubber washers on the valve cover bolts. I can't imagine having to use brute force to push those on 15 times.

The whole reason for doing this project is that a bit of oil was leaking into the coil tubes for cylinders 1-3. I cleaned out the oil and replaced the plugs (likely never had been done either) just before putting the new gasket and cover on.

Remember to use a criss-cross pattern when doing the cover bolts too. I started with the bolt in the very center at cylinder 2. It was actually this plug tube that had the most oil in it. It looked like the gasket had been replaced once before, and I bet that last time the surrounding bolts were put on first, leaving an curvature in the cover and a gap at the center bolt.

Anyway, fun job, hardest part was probably pulling the air flow baffle out. It might not be needed to be removed, but it certainly gives more room to maneuver the valve cover off and on.
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By Mikes318ti on 11-02-2018, 06:14 AM

This DIY saved my car. 1997 318ti, so we'll dpne thank you so so much, last owner did some garbage work. Was nice to undo some of that work... I can't unscrew the over torqued bolt that stripped my head. But that's another problem. Thanks again for just being another awesome 318ti owner
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By 318tiFatherFigure on 11-12-2018, 08:08 PM

My ti M-Pack has a blown head gasket - why I got it cheap.
One of my other cars is a Daimler Sovereign S2 - read Jaguar XJ6 S1.
The engines in them are renown for camshaft cover oil leaks - THE fix is a well kept secret.
When the retainers are over torqued the material of the head is drawn upwards preventing the cover from sitting down correctly. This is usually followed by some PO tightening down the retainers further - increasing the leak.
The trick is to LIGHTLY countersink the threaded holes to remove the distorted material.
New gaskets correctly installed and covers correctly torqued - no leaks.
Hope that helps some one with the leak that wont stop!
Last edited by 318tiFatherFigure; 11-12-2018 at 08:17 PM.. Reason: Extra info
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By mrmikkelsen on 11-13-2018, 02:25 AM

I just did this, thanks for the preview walk through. That oil line grommet thing was rock hard and shattered when I took it out. Due to your heads up about it being hard as plastic, I stuffed rags all around it before pulling it off so all the brittle little bits were captured. My cabin air filters were downright nasty. See yours tucked back inside behind that ducting you removed at the rear. I ordered them Saturday and Amazon had there here Monday slipping them in just in time before I have to drive back to work tomorrow. I love it when a plan comes together! 12 years later and finally you know your pictures did some good. Thanks
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