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      08-16-2014, 02:12 PM   #1
mike519
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Doing Beisan System upgrades...help needed

Hi all,

Doing the full S54 Beisan treatment...pump disk, seals, anti rattle, solenoid.

When I rented the alignment tool and cam locking pin, Bimmer Tool indicated that for the Z4Ms, we also need an angled flywheel locking pin which they also sent (for no additional cost I might add). The Beisan System instructions are for the E46, not E85s. Anyone have an idea how/when to use this tool?

Sent an email to Rajaie as well but waiting for a reply. Thought I would ask here.

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      08-17-2014, 09:26 AM   #2
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I'm guessing an angled flywheel locking tool is used because there is not enough clearance in front of the engine to use a standard flywheel locking tool. Most people buy the standard one and then cut it in half.

Be sure to post up some pics and insights to this job. Are you also looking at your camshaft sprocket bolts and upper chain guide? I would like to get mine done sometime this winter.

Have you seen a TIS for this job? There are other differences between e46's and e85's. There is not enough clearance to remove the vanos from the car without first pulling out the inlet filter/pressure regulating valve, and there is not enough clearance to install the vanos with the splined shafts pre-installed on the the vanos unit (like in the beisan instructions). There are a couple of good threads for this on zpost and more on m3forum.

Exhaust Hub upgrade

Friggin Vanos Exhaust Hub

Vanos Overhaul!

Good luck!!

(Pictures borrowed from the Beisan website).
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      08-17-2014, 11:59 AM   #3
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Hi Mike,
Looking forward to talking to you about this one.
Hope it goes well.
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      08-17-2014, 07:57 PM   #4
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So far so good.

Actually, Vanos came off easier than I thought. I took the solenoid off first so there was more room to manoeuvre the Vanos unit and once it was ready to come off, pretty easy. The toughest part was getting the solenoid connector unplugged.

So far, rebuilt the vanos including new oil pump disk and valve seals, switched out the solenoid, replaced cam sprocket bolts (all were good anyway but what the heck...already there), and working on the anti rattle kit for the splined shafts. Intake shaft went well, exhaust is binding so sent an email to Raj from Beisan for help.

The pump disk alone...WAY less play with the new pump holes than the old. Exhaust hub tabs are fine (thank god!). Seems to be less axial play with the intake...will see once I figure out the exhaust.

Next step is putting it all back together.

BTW, yeah, the angled flywheel tool is just to replace the straight one for the E46. Reason why I was confused is that Beisan calls it a crankshaft locking tool but the tool rental place called it angled flywheel locking tool. Didn't realized they were the same thing.

Ian...anytime...much easier than I thought so far.
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      08-17-2014, 08:25 PM   #5
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Is there a BMW part number on the angled flywheel locking tool? That would be some good info.

Have you looked at your upper chain guide to see if it is worn?

I'm glad everything is going well, I'm sure the exhaust hub will work itself out.
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      08-17-2014, 08:31 PM   #6
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I don't have the P/N, sorry..bimmertoolrental just sent it to me as they knew I had the Z4M.

I did get the chain guide but didn't bother changing it. It looked OK from what I saw, plus, I only have 32,000 miles on my car anyway so not too worried.
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      08-18-2014, 12:43 AM   #7
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You're probably OK at 32,000 miles, but be warned.
As mtrhed notes in his post "Vanos Overhaul!", the wear is on the underside where the chain guide sits on the end of the tensioner.
That really surprised me. It rubs worse on the tensioner barrel than on the chain.
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      08-18-2014, 06:12 AM   #8
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Quote:
Originally Posted by mike519 View Post
I don't have the P/N, sorry..bimmertoolrental just sent it to me as they knew I had the Z4M.

I did get the chain guide but didn't bother changing it. It looked OK from what I saw, plus, I only have 32,000 miles on my car anyway so not too worried.
Did they ship direct or did you have to ship to N.Falls?
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      08-18-2014, 10:01 AM   #9
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Quote:
Originally Posted by mike519 View Post
So far, rebuilt the vanos including new oil pump disk and valve seals, switched out the solenoid, replaced cam sprocket bolts (all were good anyway but what the heck...already there), and working on the anti rattle kit for the splined shafts. Intake shaft went well, exhaust is binding so sent an email to Raj from Beisan for help.

The pump disk alone...WAY less play with the new pump holes than the old. Exhaust hub tabs are fine (thank god!). Seems to be less axial play with the intake...will see once I figure out the exhaust.
The binding is caused by the supplied washer(s) being too thick. You have to sand it down to correct the binding. This is on Beisan's DYI. We ran into this issue when rebuilding my M54.
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      08-18-2014, 09:44 PM   #10
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Quote:
Originally Posted by inTgr8r View Post
Did they ship direct or did you have to ship to N.Falls?
Had it shipped to Michigan when I was there a week ago.
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      08-18-2014, 09:46 PM   #11
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Quote:
Originally Posted by XMetal View Post
The binding is caused by the supplied washer(s) being too thick. You have to sand it down to correct the binding. This is on Beisan's DYI. We ran into this issue when rebuilding my M54.
Hah...yeah, I panicked before reading the next step. Took care of it tonight..piece of cake.

Have the vanos unit reinstalled now. Tomorrow night I should be able to finish it all up.
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      08-22-2014, 08:51 PM   #12
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Done!!! Oh yeah baby, no more rattle, new solenoid has it running smooth with better low end, better shifting (due to smoother engine rpm), etc.

Impressed!!

Gotta say, Raj at Beisan was a ton of help, even giving me his cell number to call in the evening. Couldn't be happier right now!
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      09-07-2014, 08:00 PM   #13
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Great stuff Mike!
Glad to hear that all went well.
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      09-09-2014, 09:02 AM   #14
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I'm curious as to the point of this 'upgrade'? is there a specific reason this is done/required?
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      09-12-2014, 12:26 AM   #15
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1) All O-rings eventually die, but only some have truly lived. The upgraded ones are better material.
2) There's a lot of slop in the OEM bearings where the Vanos connects to the splined shafts, resulting in rattle. The upgrade tightens that up so it runs quieter.
3) There's a lot of slop where the exhaust hub tabs go into the oil pump disk, so the tabs hammer around in there and eventually break off. The upgrade has a new set of slightly smaller holes.
4) The solenoid pack can fail where the connector is soldered into the circuit board. The upgrade adds extra mechanical support.
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      09-12-2014, 09:44 AM   #16
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^Thank you very much for the info. I may look into this for the future then.
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      09-12-2014, 01:55 PM   #17
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This was my hub before and after replacement with a Dr. Vanos C300 (a.k.a. TurboToy) beefed up hub.
This fall I'll be replacing the entire Vanos with a rebuilt from Dr. Vanos and replacing the chain tensioner and guide (a common wear item).
I would go the Beisan route, but I have more money than patience. I'm willing to pay the Dr. to faff about with the O-rings and seals.

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      09-14-2014, 06:00 PM   #18
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Thanks for the reply Stickmon...I was AWOL for a bit.

He hit it on the nose...quieter engine, solenoid replacement smoothed out a lot of throttle/power issues, etc. Did the whole kit and kaboodle and its a whole new engine for me.
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      09-14-2014, 11:29 PM   #19
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Quote:
Originally Posted by StickMon View Post
1) All O-rings eventually die, but only some have truly lived. The upgraded ones are better material.
2) There's a lot of slop in the OEM bearings where the Vanos connects to the splined shafts, resulting in rattle. The upgrade tightens that up so it runs quieter.
3) There's a lot of slop where the exhaust hub tabs go into the oil pump disk, so the tabs hammer around in there and eventually break off. The upgrade has a new set of slightly smaller holes.
4) The solenoid pack can fail where the connector is soldered into the circuit board. The upgrade adds extra mechanical support.
Is there any symptom(s) when the solenoid pack is about to fail? Or is this just one of those things that you would do "while you're already in there"?
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      09-16-2014, 12:21 AM   #20
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Quote:
Originally Posted by XMetal View Post
Is there any symptom(s) when the solenoid pack is about to fail? Or is this just one of those things that you would do "while you're already in there"?
I'm sure it would throw codes and run funny, and probably be intermittent, but I don't know specifically. I was just quoting Beisan's claim.

That said, it would be one of those things that I would do because I'm already in there.
But I'm nuts like that.
I want to replace my $15 chain guide, and I'm going to replace the entire $1500 Vanos because I have to take it off anyways.
And I'm about a week away from 110,000 miles.
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Last edited by StickMon; 09-16-2014 at 12:32 AM..
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