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Default DIY Cheap N54 Walnut Shell Blasting - 08-09-2012, 08:34 PM

Here it is. Finally finished. I feel like I'm forgetting something but with 40 slides, I sure hope not.

EDIT: File removed??? You can download one for yourself at www.bimmerhelp.info

If you see anything or have any concerns let me know. So far the only thing I know I forgot to add was that 25 lbs. of fine walnut shells was more than enough to get the job done.

PM me if you would like the high-resolution picture version ~8MB.

I hope this helps anyone interested.


Edit: I am now offering the modified nipples you see in the DIY for $10/each including shipping within the states HERE

Buy other tools related to N54 valve blasting:
www.bimmerhelp.info

Last edited by e90man; 08-30-2013 at 11:20 PM.. Reason: added tool website
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ZZ70SS ZZ70SS is offline
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Default 08-09-2012, 08:43 PM

Nice write-up. I just did this a week ago the hard way with purely carb cleaner and brushes.

Similar results, just a little more patience. Luckily my carb-cleaner vacuum bomb didn't explode! lol


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Cool 08-09-2012, 09:03 PM

+10 ^


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iv55 iv55 is offline
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Default 08-09-2012, 09:13 PM

Wow! Awesome write up. Really well done.

I rotated my motor by removing the fan and putting a wrench on the crank but the starter method looks much easier.


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UsualSuspect UsualSuspect is offline
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Default 08-09-2012, 09:23 PM

Thank you for this DIY! You put tons of effort into your write up and I really appreciate it.
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rudypoochris rudypoochris is offline
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Default 08-09-2012, 10:30 PM

Wow pretty awesome right up. Also, looks like a laborious process. I bet after doing this a couple times it goes much quicker though.
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Default 08-10-2012, 04:11 AM

Thanks for all of the nice comments!

The devil is truly in the details. I spent a lot of time setting up for the project, trying to make sure that I had everything I needed before I touched the car.

The only thing I did "on the fly" was making the remote starter switch. My original intent was to turn the crank pulley with a socket to move the valves, but after seeing how tight the space is, I decided the pushbutton remote trigger was the way to go.
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Default 08-10-2012, 10:54 PM

So I drove the car to work yesterday (20 miles each way) for the first time since the blasting and wow...the engine is smooth as silk. No exaggeration. Boost comes on faster and is much more consistent, improved lag, less vibration.

Having bought this car with 47k miles and driving it for over a year now, and comparing that length of ownership with the ONE DAY that I've driven it with clean valves really makes me appreciate how the car ran when it was brand new. Only now it runs like new AND has a JB4, so life is good!

If you've been on the fence about whether to do this yourself, pay someone, or just ignore it, I highly recommend you get it done.
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jlcolon2001 jlcolon2001 is offline
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Default 08-11-2012, 08:26 AM

Thanks for this great write up OP. A have a quick question for you. Can I use a smaller air compressor like a 10 gallons one, or less? Any way I'll be blasting the valves just for a minute or so at a time. I'm planning to do this soon, but after this I don't see any other use for the compressor. At least a smaller one will occupy less space in my house. Also a smaller one is cheaper
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Default 08-11-2012, 08:43 AM

Quote:
Originally Posted by jlcolon2001
Thanks for this great write up OP. A have a quick question for you. Can I use a smaller air compressor like a 10 gallons one, or less? Any way I'll be blasting the valves just for a minute or so at a time. I'm planning to do this soon, but after this I don't see any other use for the compressor. At least a smaller one will occupy less space in my house. Also a smaller one is cheaper
I think you have it figured out if you're doing short duration blasting. You may want to work with higher pressure for a smaller tank to get the most velocity out of your media for the short durations.

Let us know how it turns out!
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justohigh justohigh is offline
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Default 08-12-2012, 09:43 PM

How much would it cost to buy all that is needed to do this?
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Default 08-13-2012, 08:41 AM

Quote:
Originally Posted by justohigh
How much would it cost to buy all that is needed to do this?
Depends on what your missing obviously. If you have none of it, you might be better off getting a dealer to do it. My dealer does it for about $700.
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ZZ70SS ZZ70SS is offline
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Default 08-13-2012, 09:12 AM

If you do it the old school way (search for other DIY's) with just carb cleaner and a gun-cleaning kit, it can be done for about $30.

It's not fun and kinda messy but worth it in my opinion.

It's just really not worth $400-700 to have a dealer do it when you think of what $700 can buy you in go-fast mods for the N54.


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Default 08-13-2012, 10:02 AM

I had a couple guys walnut blast it for $320. Well worth it. The biggest part of the job is getting access, taking off the valve cover and putting it back together. I got a new gasket as well, which is a bonus.
My car had 75k miles on it when I did it. The rear valves were surprisingly clean, then got worse towards the front (1/2 and 3/4). This is due to my meth injection having a scrubbing effect!
Car was more responsive afterwards, felt stronger and more even power delivery, especially at low to medium revs.

Dealer quoted me $900 for same job but without new gasket. ($35 item online.)


Sleeper 5 series
Performance: Pro tuned MHD, xHP Stage 3 TCU flash, DCI, AR kittens, ER FMIC & CP, Fuel-It Stage 2 LPFP w ported rail, RB turbos, RB inlets, KW V2, Mfactory LSD
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Default 08-13-2012, 01:30 PM

Thank you so much for this write up!


200k mi 99 blk 4dr e46 m52 323i w/ h&r's k&n cai shark'd
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Default 08-14-2012, 12:09 PM

Quote:
Originally Posted by Ocean
I had a couple guys walnut blast it for $320. Well worth it. The biggest part of the job is getting access, taking off the valve cover and putting it back together. I got a new gasket as well, which is a bonus.
My car had 75k miles on it when I did it. The rear valves were surprisingly clean, then got worse towards the front (1/2 and 3/4). This is due to my meth injection having a scrubbing effect!
Car was more responsive afterwards, felt stronger and more even power delivery, especially at low to medium revs.

Dealer quoted me $900 for same job but without new gasket. ($35 item online.)
gasket for what?
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Default 08-14-2012, 12:18 PM

Intake valve cover gasket. At some point they start to leak. My other 535 wagon needs one. 79k miles, so it's due.


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Default 08-14-2012, 12:23 PM

I see. Seems like a very intense time consuming diy but a good result. My local bmw shop quoted 495. I may just have them do it when my car reaches around 70k miles, and probably ask them to replace the gasket also.
Thanks.
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Default 08-21-2012, 09:18 AM

Awesome write up! My BMW shop nor dealer offer this service so DIY is my only option.


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Default 09-03-2012, 12:29 PM

best diy ever.
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Default 09-03-2012, 09:22 PM

nice job very well done diy
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BMW86 BMW86 is offline
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Default 09-03-2012, 09:37 PM

Excellent DIY

Anyone have the part# handy for the intake valve gasket?
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BMW86 BMW86 is offline
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Default 09-03-2012, 09:40 PM

Assume this it? http://www.ecstuning.com/BMW-E82-135...Cover/ES18623/
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Default 09-04-2012, 09:12 AM

Quote:
Originally Posted by BMW86
That's for the valve cover.

There are 6 Oval rubber gaskets that come in a kit for the intake runners.

See Pic.
Attached Images
 
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Default 09-12-2012, 02:15 PM

Great DIY!
tried many times to get the wand done right, i was pretty unsuccessful with tapping the adapter using out press drill. so i found this way easier! and it worked!

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Bone stock...Car FS

Last edited by sammy_0559; 09-12-2012 at 02:22 PM..
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