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M42/44 / 318ti Valve Cover Gasket DIY. PICS!
M42/44 / 318ti Valve Cover Gasket DIY. PICS!
Published by CirrusSR22
08-15-2006
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 Hole Gasket w/o Bolt Hole (3x): 11121721476
• Oil Supply Seal: 11121247948 (M44 only)
• Spark Plugs (4x): I used NGK “BKR6EK”
• High Temp RTV or any gasket sealer you desire.

Tools Needed:

• 7mm Socket
• 10mm Socket
• 13mm Socket
• 16mm Socket
• 8mm Combo Wrench
• 10mm Combo Wrench
• Philips Screwdriver
• Flat Head Screw Driver
• BMW Tool Kit Spark Plug Socket (Look in your trunk)
• BMW Spark Plug Boot Puller. Attached to valve cover
• Air Compressor w/ Blow Gun (optional)

New Parts. Valve Cover Gasket + Spark Plug Seals


Rubber Bolt Gasket/Washer


New NGK Spark Plugs
Tutorial Tools

  #1  
By CirrusSR22 on 08-15-2006, 03:05 AM
Default

#1. Disconnect Negative Battery Cable (13mm combo wrench)
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  #2  
By CirrusSR22 on 08-15-2006, 03:07 AM
Default

#2. Disconnect Positive Battery Cable. 10 mm combo wrench. 318ti Only?

#3. Remove Battery. 10mm Combo or 10 mm Socket on battery hold-down bolt. 318ti Only?

#4. Unbolt Battey Box. Two 13mm bolts underneath battery. 318ti Only?

Battery + Battery Box Removed. You can see the two battery box bolts rethreaded so I won’t lose them. I think the 318i/is/ic has the battery in the back, so I guess you can omit steps #2, #3, and #4.
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  #3  
By CirrusSR22 on 08-15-2006, 03:08 AM
Default

#5. Unplug and unscrew (Two 8mm Nuts) Ignition Coil Pack.

Unplug.


Unscrew.


#6 Unplug Spark Plug Boots. Blue BMW tool in use. Just unsnap them for now.

--
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  #4  
By CirrusSR22 on 08-15-2006, 03:10 AM
Default

#7. There are two nuts/bolts (10mm?) that attach the spark plug wire channel/heat shield to the valve cover. Loosen, but do not remove these nuts. I took these pics on installation, that’s why it’s so clean

--
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  #5  
By CirrusSR22 on 08-15-2006, 03:11 AM
Default

Here’s the reason I’m replacing the valve cover gasket.....
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  #6  
By CirrusSR22 on 08-15-2006, 03:17 AM
Default

#8. Remove the ignition pack, spark plug wires, plug wire channel w/ heat shield, and insert tray as one unit. The insert tray lightly clips into the top of the valve cover. Use a flathead screwdriver to unsnap it. The wires hang up in the passenger side rear corner, so it takes some wiggling to get the whole thing out.

--
All removed.
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  #7  
By CirrusSR22 on 08-15-2006, 03:19 AM
Default

#9. Optional? To make it easy, remove the ducting above and behind the wiring channel. 7mm Socket & Philips Screwdriver. It’s the same one that you remove to replace the 318ti cabin filters. You can see the dirty filters hidden back there. Now would have been a good time to have had new ones ready..... Idiot! I don’t really know if this is necessary for 318i, 318is, or 318ic people. It may not even be necessary for the 318ti, but I thought it would make things easier to pull the valve cover away.
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  #8  
By CirrusSR22 on 08-15-2006, 03:23 AM
Default

#10. Remove the spark plugs. 16mm Socket? First, blow compressed air into the spark plug holes to keep debris from falling into the cylinders when you remove the spark plugs.

Old (40,000 mile) Bosch Platinum +2 Plugs, plus the BMW spark plug socket. You can see the oil leak residue (hex part) on the second spark plug from the right. That didn't leak 40,000 miles ago...
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  #9  
By CirrusSR22 on 08-15-2006, 03:25 AM
Default

#11. Unbolt all 15 valve cover bolts. (10mm socket?) With the battery box and wiring duct removed, they are all easily accesible.


Here’s what the valve cover bolts look like. You will be replacing the black rubber part. The Smaller bolt (two of them) are from the spark plug channel; the perimeter bolts are the longer ones.
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  #10  
By CirrusSR22 on 08-15-2006, 03:26 AM
Default

All bolts removed; cover ready for removal.
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  #11  
By CirrusSR22 on 08-15-2006, 03:28 AM
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#12. Gently pull the valve cover away. Do NOT pry it. I used the valve cover breather pipe to pull up gently. Opened up.
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  #12  
By CirrusSR22 on 08-15-2006, 03:29 AM
Default

Some Engine Shots.

--

--
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  #13  
By CirrusSR22 on 08-15-2006, 03:33 AM
Default

#13. Underside of valve cover. Pull old gaskets away and clean up cover to your liking. Insert new gaskets.

Freshly Pulled


New gaskets installed and ready to reinstall.
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  #14  
By CirrusSR22 on 08-15-2006, 03:35 AM
Default

#14. Replace oil supply pipe seal. After 10 years and 139,000 miles, mine was hard as plastic! The new one is soft and squishy. (M44 Only)

Seals up to this oil supply pipe
Last edited by 1996 328ti; 10-12-2013 at 08:56 PM.. Reason: M44 only
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