Snapped a cam gear stud replacing headgasket, Need an answer! - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 03-03-2010, 01:11 AM
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Snapped a cam gear stud replacing headgasket, Need an answer!

Hey guys, here's the deal. I have a 1995 525i, production date 8/94.

Most of the headgasket went smoothly, until it came to setting the timing and getting the upper timing chain to cooperate.

I was having some trouble getting the vanos unit's gears to mesh properly with the cam gear on the end. While removing the cam gear, I snapped off one of the studs that holds the cam gear to the cam. No big deal right? Ordered three new bolts, they just showed up yesterday.

Here's the diagram I'm looking at:



RealOEM.com BMW E34 525i timing gear timing chain top

The stud is #6 on the diagram. Now from what it looks like, there are two #6's. 11361735909 and 11361403824

When I ordered the studs from bavarian autosport, they sent me the 11361403824 studs. I believe I needed the earlier ones, but it says those are ended. So... what do I need to get this to work. Here's a picture of the two bolts next to eachother. Newer one is on the right, the one that came out of the 5er is on the left.



Just need some guidance what the best course of action is. Should I try to track down the older part? or should I change the other parts to work with the new studs? Obviously the former is cheaper, but I've been unable to find them so far. These three bolts are keeping my car off the road at this point... so it's kind of a priority.

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#2 (permalink) Old 03-06-2010, 02:19 AM
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how many bits will you need to change to use all 3 of the new bolts? Is it just different size thread or different bolt altogether? Theres a mechanism around, i forgot what its called, but it allows for one-size (up or down) bolts to thread into the same hole and hold fairly strongly.

Surely there must be a wreckers or something in your area that will have the older stlye bolts around. If not i guess you're gonna have to bite the bullet and get all new parts
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#3 (permalink) Old 03-06-2010, 11:30 AM
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Once you removed three #10's after removing the VANOS unit the intake camshaft can be removed as a unit after the cam chain is loosened and removed. But it is crying over spilled milk now. The trick in removing the VANOS unit is to rotate the crank about 5 to 10 degrees in either direction from No.1 piston TDC to retract the unit from the ends of the cam. Installation is the same way.

Since you ordered #11361403824, you need to order #11361403550 too. RealOEM says these two parts replace #11361735909.

95 525i 5 speed 5/94,
94 540it built 3/93, converted to 6 speed w/a 93 e32 M60 engine
01 540it, 6/01
03 325i, 9/02
10 mini 6 speed
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