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e90man e90man is offline
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Default Order Modified Nipple Here - 11-14-2012, 11:08 AM

Ok to buy the modified nipple just click here and I will send one right to your door!

They will be $10 each, which includes packaging and shipping to anywhere in the USA.

I will make sure each one threads to my wand before shipping.

Link: Buy e90man's Nipples
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drm916 drm916 is offline
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Default 11-14-2012, 02:26 PM

Quote:
Originally Posted by e90man
Ok to buy the modified nipple just click here and I will send one right to your door!

They will be $10 each, which includes packaging and shipping to anywhere in the USA.

I will make sure each one threads to my wand before shipping.

Link: Buy e90man's Nipples
Ordered. Thank you!

Edit - I tried to add the 3% paypal fee but it wouldnt let me.
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Default 11-14-2012, 08:42 PM

Quote:
Originally Posted by drm916
Ordered. Thank you!

Edit - I tried to add the 3% paypal fee but it wouldnt let me.
Don't worry about it...not going to get rich here or anything. Thanks though!

It will ship tomorrow!

I made 2, so if anyone else wants one I can ship it out tomorrow as well.
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drm916 drm916 is offline
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Default 11-21-2012, 11:19 AM

Received yesterday and it fits perfectly my BMW straight and MINI curved wand. This will be completed sometime in early december. I will report my results and experience with the cleaning.

I have the BMW port adaptor and everything.. Is this a really messy job? Can I do it in my garage or should it be done outside?
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Default 11-21-2012, 11:36 AM

Quote:
Originally Posted by drm916
Received yesterday and it fits perfectly my BMW straight and MINI curved wand. This will be completed sometime in early december. I will report my results and experience with the cleaning.

I have the BMW port adaptor and everything.. Is this a really messy job? Can I do it in my garage or should it be done outside?
Great!

It's not too messy really. I did it in my garage. Yes there will be some lost shell on the floor, mainly from pulling the wand out of the vacuum adapter. It actually accumulates on the side of the engine until you blow or vacuum it up. I recommend vacuuming them to keep pieces of shell from going everywhere.
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drm916 drm916 is offline
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Default 11-21-2012, 12:15 PM

Quote:
Originally Posted by e90man
Great!

It's not too messy really. I did it in my garage. Yes there will be some lost shell on the floor, mainly from pulling the wand out of the vacuum adapter. It actually accumulates on the side of the engine until you blow or vacuum it up. I recommend vacuuming them to keep pieces of shell from going everywhere.
I will def have my shop vac hooked up the whole time. Thanks for the feedback!
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lecsoman lecsoman is offline
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Default 11-21-2012, 12:49 PM

I wonder if when i replace my single small injector to dual CM10's with the 300psi pump the kit injecets so much ethanol that it cleans the intake...

The AFR becomes 10:1 or so with the trims at 0 and the engine shots down each cylinder after each other slowly with missfire, so there is a lot of fuel injected, but i'm not sure if its enaugh to clean the ports...

Could be a simple method to clean the whole intake and exhoust valves...


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drm916 drm916 is offline
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Default 11-21-2012, 01:03 PM

Quote:
Originally Posted by lecsoman
I wonder if when i replace my single small injector to dual CM10's with the 300psi pump the kit injecets so much ethanol that it cleans the intake...

The AFR becomes 10:1 or so with the trims at 0 and the engine shots down each cylinder after each other slowly with missfire, so there is a lot of fuel injected, but i'm not sure if its enaugh to clean the ports...

Could be a simple method to clean the whole intake and exhoust valves...
Def not enough to clean already dirty ones. People have to soak the valves for 30 mins in pure cleaner and then scrub by hand.

But it might keep them clean longer once you get them cleaned.

I am doing the blasting in a few weeks and I have an OCC. I will see how effective that is. I will be adding Meth shortly there after (after new clutch goes in).
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Russell @ BMS Russell @ BMS is offline
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Cool 11-21-2012, 01:23 PM

+1..... hard deposits are not soluble in meth.


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Default 11-21-2012, 06:22 PM

Nice DIY.

One issue I have w/ blasting is that media gets in the PCV passage drilled in each port....
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Default 11-22-2012, 06:46 AM

Quote:
Originally Posted by Vroom
Nice DIY.

One issue I have w/ blasting is that media gets in the PCV passage drilled in each port....
As long as your sucking more air out with the vacuum than you are blowing in with the air compressor (which will always be the case), this shouldn't be an issue, but I see your concern.

And there's also the generic statement: If it's good enough for BMW techs to do it, it's good enough for us.
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Default 04-25-2013, 07:30 PM

Thought I'd bump this thread to let people know that I am still shipping modified nipples for those interested. I've shipped them all over and its so rewarding to see so many people benefit from the DIY, including a couple of indy shops. I have a much better machining method now too that makes a perfect cut with no mangled threads and a good "seat" for the compression fitting on the BMW wand (stepped cut). The last 8 or 9 I shipped were done this way.

As a reminder the link to buy is in post 1 and 51. Same price, $10 delivered.
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Josh1a1h Josh1a1h is offline
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Default 05-14-2013, 01:20 AM

I may take one off you if you will ship to the uk?
Still researching the equipment needed for this.

Huge thank you for this detailed, thorough write up!

It will hopefully come in very helpful!

Many Thanks
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Default 05-15-2013, 05:33 AM

Quote:
Originally Posted by Josh1a1h
I may take one off you if you will ship to the uk?
Still researching the equipment needed for this.

Huge thank you for this detailed, thorough write up!

It will hopefully come in very helpful!

Many Thanks
I don't mind shipping to the UK at all. Just use the regular link to purchase, but put in a quantity of 2 to cover the extra shipping.

I don't mind putting a kit together with whatever parts your missing if you're across the pond and unable to obtain them. It doesn't matter what country you're in, the valves will always get carbon buildup.

I'm going to contact Steve @ Bluntech to get a status on the vacuum adapters.
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DR-JEKL DR-JEKL is offline
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Default 05-19-2013, 05:15 AM

Question for the DIY'ers out there, what type of compressor did you use and what cfm rating is it?

I was talking to a media blastin specialist, and he stated i would need a 12-14 cfm compressor to do this...

I was hoping i could buy a cheap $300 compressor to do the job (looking at the specs they are only about 5cfm)

FWIW I'm located in Australia (so cannot buy harborfreight items etc)
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Default 05-19-2013, 08:21 AM

Quote:
Originally Posted by DR-JEKL
Question for the DIY'ers out there, what type of compressor did you use and what cfm rating is it?

I was talking to a media blastin specialist, and he stated i would need a 12-14 cfm compressor to do this...

I was hoping i could buy a cheap $300 compressor to do the job (looking at the specs they are only about 5cfm)

FWIW I'm located in Australia (so cannot buy harborfreight items etc)
The CFM rating you see is pump output, not tank output. Tank output varies based on diameter of tubing used, air tool requirements, etc. My compressor is rated at 5.6cfm@40 psi, 3.8cfm@90psi. Notice the cfm decreases at higher pressures, simply because the pump has a tougher time moving air volume when the tank is at higher pressure, which makes sense. The tank output would be greater at higher pressure. So no worries! Your expert may do very long duration blasting which calls for a pump that needs to keep up. For our short duration use, the smaller pumps are fine as long as you have good tank volume (20+ gallons), just the keep the pump cycling on and off at normal intervals. You could use a smaller tank, you just need to wait longer between blasting cylinders or use short bursts of blasting so the pump can re-pressurize the tank enough to do a good job of forcing the blast media out of the nozzle at a high enough velocity to get the job done.

Hope this helps.
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DR-JEKL DR-JEKL is offline
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Default 05-19-2013, 11:08 PM

Yes that makes sense to me, I was thinking that perhaps a 5cfm compressor may struggle to 'flow' enough air.

But if i understand it correctly regardless if it is a 5 cfm or a 14 cfm compressor, the only difference is that the 14 cfm compressor can recharge the tank quicker?

so if one applies that theory having a 5cfm compressor with a relatively large tank will provide enough airflow and pressure to do a series of short continuous blasts required for an intake clean?
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Default 05-20-2013, 06:55 AM

Quote:
Originally Posted by DR-JEKL
But if i understand it correctly regardless if it is a 5 cfm or a 14 cfm compressor, the only difference is that the 14 cfm compressor can recharge the tank quicker?

so if one applies that theory having a 5cfm compressor with a relatively large tank will provide enough airflow and pressure to do a series of short continuous blasts required for an intake clean?
You are correct, good sir.

Any luck procuring the parts you need down under?
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Default 07-03-2013, 02:55 PM

I have a very simple website I created to help people out getting the tools needed for this job. Also updated first post.

www.bimmerhelp.info
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najin23 najin23 is offline
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Default 01-10-2015, 10:43 PM

I have a BMW wand and your modified nipple should take care of the fitting to the media blaster and the gun? Where did u get the gun? Just trying to get all the needed items for the job. Thanks.


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Default 01-12-2015, 08:21 AM

Quote:
Originally Posted by najin23
I have a BMW wand and your modified nipple should take care of the fitting to the media blaster and the gun? Where did u get the gun? Just trying to get all the needed items for the job. Thanks.
The gun comes with the portable blaster kit from Harbor Freight.

Also for anyone interested I will soon be producing N14/N18 kits for MINI's that have the same carbon buildup problem. I am currently seeking a tester!

MINI Thread Here
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cky751 cky751 is offline
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Default 04-03-2015, 06:51 PM

Great info! I am going to do this soon to my car.
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Default 04-03-2015, 09:57 PM

Quote:
Originally Posted by cky751
Great info! I am going to do this soon to my car.
Good to hear. It's worth it.
I just updated the website's DIY page with some more helpful information.

http://bimmerhelp.info/DIY_N54_Valve_Blast.html

Thanks again to everyone who has supported the site.
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Default 04-13-2015, 01:54 PM

Thanks to the OP for the DIY write up and modified brass connector I used both with great results. The only issue was the hose on the media hopper would frequently get backed up with the shells, the worse part is it wasn't overly apparent when it was not shooting shells.

I will look into getting a clear plastic tube to replace the black rubber one, hopefully the shells will flow better against the plastic and certainly a transparent hose will help with confirming flow.

In related news I wanted to share a couple tools which helped me with the process. One was a small pipe cleaning brush I got from Orchard, it was successful since the handle was short and firm and the bristles were also short; it didn't reach the valves themselves but it cleaned the cylinder head very well since you could put a lot of pressure on it.

The other tools were my "miscellaneous tool MVPs", these little picks from Harbor Freight. They were instrumental with cleaning the gunk off the stems, even above where you could see, they worked really well, in particular the the angled one I have pictured with the brush. The whole set is maybe $3-$4 at HF.

Evan




Here is an example of the results achieved with walnut blasting and the tools above, no carb cleaner.


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anti anti is offline
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Default 05-12-2015, 09:18 AM

this is A MUST for our DI cars. I was absolutley shocked at the amount of SIHT in my intake valves and how good even the cheap harbor freight walnut blaster works. 25lbs was not enough for me as I had to get the blaster tuned right and go back thru the cylinders a second time to get everything shiny clean... if your experienced 25lbs may be enough but i only got one pass on 4 cylinders with 25lbs lol..... the shells in my shop vac look clean was thinking about reusing them


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