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  #121  
Old 04-23-2019, 05:37 PM
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I don’t personally own one but they look pretty solid. I could see the potential for maybe missing one of the brush stoppers or possibly tweaking one of the “crows” feet that compresses the spring out of squares, but I would imagine even that is pretty unlikely.

I know a handful of the guys on here either own one or have rented it, I’m sure you’ll get some good feedback.

As an alternative to the AGA tool and saves you a few bucks:

https://supershop.store/products/bmw...CABEgLu-fD_BwE

NOTE - I have not used either tool yet so I can’t say one over the other, but they do the same job.
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  #122  
Old 04-23-2019, 07:45 PM
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I've used both in the same project - rented AGA and then bought my own alternative tool. They work essentially the same but AGA tool admittedly works a bit better and has a better fit-and-finish, but that absolutely does not just the cost difference in any way. The alternative tool works just as well. Had I not used AGA tool earlier, I would have thought nothing less of the alternate tool.

As for breaking the tools, you'd have to work very hard and be extremely lucky to break any part of it . Both tools are solid.
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Last edited by X5only; 04-23-2019 at 08:18 PM.
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  #123  
Old 04-23-2019, 07:48 PM
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Quote:
Originally Posted by Purplefade View Post
I don’t personally own one but they look pretty solid. I could see the potential for maybe missing one of the brush stoppers or possibly tweaking one of the “crows” feet that compresses the spring out of squares, but I would imagine even that is pretty unlikely.

I know a handful of the guys on here either own one or have rented it, I’m sure you’ll get some good feedback.

As an alternative to the AGA tool and saves you a few bucks:

https://supershop.store/products/bmw...CABEgLu-fD_BwE

NOTE - I have not used either tool yet so I can’t say one over the other, but they do the same job.
Thanks a lot for the alternative tool kit (edit: unfortunately, it seems to be universally unavailable)... That looks much more reasonable. Has anyone here used or been exposed to both tool kits - and can say what the major difference is?
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Last edited by blktoptrvl; 04-23-2019 at 08:02 PM.
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  #124  
Old 04-23-2019, 09:39 PM
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You might consider this a "nervous energy" or "fraidy cat" question:

Anyway...

If the piston for the cylinder you are working on is locked at TDC. Is there enough room in the compression chamber for the valve to actually (irretrievably) drop into the cylinder? Or will it fall onto the top of the piston with enough of the stem still exposed to be gripped and retrieved?

The reason I ask is that I do have an air compressor and I am thinking of doing the job using it vs. the "rope (or bungy) trick." Only thing is I am looking for any reassurance that if I did bump the valve being held by air pressure (or if the air pressure failed for whatever reason) and dropped the valve, that I can still retrieve it. If not, then I think I would prefer the assurance of a mechanical block (AKA rope).
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  #125  
Old 04-23-2019, 09:43 PM
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N62 engine valve stem seals

From everything I have read, heard and seen to date, rope is the way to go for sure.

That said, no, with the piston at TDC there is not enough “drop” to actually lose the valve, but you will play heck getting around and under everything to retrieve it.

Rope

Oh, and I believe it’s cylinder 2 that has to be just beyond TDC, so there is a bit more pucker factor there.

I will be starting this very job next week.. and I will be going with rope.
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  #126  
Old 04-23-2019, 09:46 PM
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Quote:
Originally Posted by Purplefade View Post
From everything I have read, heard and seen to date, rope is the way to go for sure.

That said, no, with the piston at TDC there is not enough “drop” to actually lose the valve, but you will play heck getting around and under everything to retrieve it.

Rope

Oh, and I believe it’s cylinder 2 that has to be just beyond TDC, so there is a bit more pucker factor there.

I will be starting this very job next week.. and I will be going with rope.
Do you know if you have to follow instructions provided with the tool kit (if any), or are there step by step instructions available somewhere other than videos that can be lost or deleted from YouTube?
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  #127  
Old 04-23-2019, 09:47 PM
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Quote:
Originally Posted by blktoptrvl View Post
Thanks a lot for the alternative tool kit (edit: unfortunately, it seems to be universally unavailable)... That looks much more reasonable. Has anyone here used or been exposed to both tool kits - and can say what the major difference is?


Ahh crap, I just noticed that too... best I found was $500 for the AGA tool on eBay and that looks like it’s already gone too...

Sorry to get your hopes up ☹️
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  #128  
Old 04-23-2019, 09:50 PM
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Quote:
Originally Posted by blktoptrvl View Post
Do you know if you have to follow instructions provided with the tool kit (if any), or are there step by step instructions available somewhere other than videos that can be lost or deleted from YouTube?


X5only (and others on here) have posted BEAUTIFUL step by step “instructions” for this job.

I will be using the post by X5only to do my own VSS job and am very confident that it will be successful.

Actually not sure if the tool really comes with a “how to” per say, just more of a guideline on how to use the tool - you are way further ahead to use one of the guys posts on here - they have GREAT experience
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  #129  
Old 04-23-2019, 11:32 PM
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You can review this video by AGA for usage. I advise to review as many videos as you can before tackling the project. I spent almost a whole month reading and reviewing about the project. I didn't want to leave anything to chance and end up messing up my X5 instead of fixing it. But that's just me as I tend to be slow but thorough and sure in my DIY projects.

https://youtu.be/0I61gyCeCfE
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Last edited by X5only; 04-23-2019 at 11:37 PM.
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  #130  
Old 04-23-2019, 11:54 PM
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Quote:
Originally Posted by Purplefade View Post
From everything I have read, heard and seen to date, rope is the way to go for sure.

That said, no, with the piston at TDC there is not enough “drop” to actually lose the valve, but you will play heck getting around and under everything to retrieve it.

Rope

Oh, and I believe it’s cylinder 2 that has to be just beyond TDC, so there is a bit more pucker factor there.

I will be starting this very job next week.. and I will be going with rope.
That is true. See post 103 by JPcallan.

https://xoutpost.com/bmw-sav-forums/...-seals-11.html

In fact I hear experienced mechanics change the seals that way - no air or cord. I think for the average DIY'er it would be tempting fate to attempt this project without any form of caution to prevent the valve stem from dropping, if accidentally the cylinder is beyond the point of easy valve retrieval, in which case you will curse the day you were born. Don't tempt fate. Many have accidentally dropped it. Do a search on the web and see how they struggled.
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Last edited by X5only; 04-24-2019 at 12:01 AM.
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