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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Tue, Sep-12-2017, 09:19:48 PM   #1
vwrado
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Default Vanos splined shaft installation

When installing the vanos splined shaft into the hub, on Beisan it said "Rotate hub counter clockwise while pressing vanos onto hub.
Splined shaft will insert into hub at first alignment of splines."

I notice that when I insert the splined shaft before installing it on the vanos is that there is only 1 tooth that allow the splined shaft to travel all the way in the hub while the rest wouldn't allow it to be pushed all the way in. Does that mean that is the only tooth it should be installed in? Or it wouldn't really matter?
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Old Tue, Sep-12-2017, 09:39:00 PM   #2
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Default Re: Vanos splined shaft installation

Doesn't really matter but there is also a "sweet tooth"


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Old Tue, Sep-12-2017, 10:13:12 PM   #3
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Default Re: Vanos splined shaft installation

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Originally Posted by mdavidm3 View Post
Doesn't really matter but there is also a "sweet tooth"


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The sweet tooth, that would be the one where the splined shaft can be pushed all the way in?

Are there any advantage of installing it in the sweet tooth?

I can't seem to get the timing right for the life of me. Using the cam timing tool and locking the crank, it seems the only other place I can mess up on is the vanos or am I missing something here?
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Last edited by vwrado; Tue, Sep-12-2017 at 10:21:27 PM.
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Old Tue, Sep-12-2017, 10:49:27 PM   #4
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Default Re: Vanos splined shaft installation

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Originally Posted by vwrado View Post
The sweet tooth, that would be the one where the splined shaft can be pushed all the way in?

Are there any advantage of installing it in the sweet tooth?

I can't seem to get the timing right for the life of me. Using the cam timing tool and locking the crank, it seems the only other place I can mess up on is the vanos or am I missing something here?
Check out this thread but do not mix with Beisan procedure. Use one or the other.
http://www.m3forum.net/m3forum/showt...t=vanos+timing
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Old Tue, Sep-12-2017, 11:34:37 PM   #5
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Default Re: Vanos splined shaft installation

Reach out to Dave, he is a master in this and probably can help you out.
You should be able to time the cams before installing the splined shaft, the sweet tooth is the one that you can get the shaft to sit all the way in as you mentioned, retime again, torque the gear bolts, retime again, ETC.
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Old Tue, Sep-12-2017, 11:35:10 PM   #6
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Default Re: Vanos splined shaft installation

Take a look at the S54 Vanos Thread in my SIG.
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Old Wed, Sep-13-2017, 12:45:36 AM   #7
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Default Vanos splined shaft installation

There is no trick to it. Insert into the first available spline. No such thing as sweet tooth. Follow raj's procedure and you'll be ok

I ran into the same issue while doing this job, but, in the end I followed raj's procedure without issues.


Scroll to post Number 9:

http://www.m3forum.net/m3forum/showthread.php?t=532100

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Last edited by 02_LSB; Wed, Sep-13-2017 at 03:31:42 AM.
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Old Wed, Sep-13-2017, 02:10:39 AM   #8
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Default Re: Vanos splined shaft installation

I use this one. Don't tell Raj.

The cam you're inserting splined shaft has to be in time (bridge tool in place). Once you get it in just push in far enough to where teeth are barely showing than torque and move to the next cam. If you push it any farther or less it will not pass vans test. Raj's method solves the exact amount of insertion by position of pistons on the back side but make torquing more complicated. No one that I know that follow's his procedure exactly have had any issues but I think the video is simpler and I have used it 4-5 times on my cars with no issue.

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Old Wed, Sep-13-2017, 02:18:45 AM   #9
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Default Vanos splined shaft installation

Quote:
Originally Posted by ThunderMoose View Post
I use this one. Don't tell Raj.

The cam you're inserting splined shaft has to be in time (bridge tool in place). Once you get it in just push in far enough to where teeth are barely showing than torque and move to the next cam. If you push it any farther or less it will not pass vans test. Raj's method solves the exact amount of insertion by position of pistons on the back side but make torquing more complicated. No one that I know that follow's his procedure exactly have had any issues but I think the video is simpler and I have used it 4-5 times on my cars with no issue.

BMW S54 VANOS DIY - E46 M3, Z4 - YouTube


I'm just curious - What is the purpose of making cam marks on a variable valve timing engine?

I was under the impression that
timing is set down a few mm, so the even with marks, you're not putting splines back into the initial position.

Last edited by 02_LSB; Wed, Sep-13-2017 at 03:17:05 AM.
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Old Wed, Sep-13-2017, 02:29:28 AM   #10
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Default Re: Vanos splined shaft installation

[/QUOTE]

I used this one along with the video ThunderMoose posted and it worked well.
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Discussing Vanos splined shaft installation in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)