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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - NY / NJ / CT / PA > VAC Walnut Blaster Service | 135i/335i/535i Intake Valve Carbon Cleaning



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      04-15-2012, 06:07 PM   #23
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Quote:
Originally Posted by skim7x View Post
I've heard some BMW dealerships have a cheaper price, but they don't use walnut shell blasting... they use chemicals to clean the valves and tell you that some vehicles may require multiple cycles of this treatment... so you might end up paying more than you expect. I actually called a few different independent shops and none of them were more affordable than VAC Motorsports... so I am a little skeptical if you tell me that your dealership will do the same work for cheaper. I've been wrong before, though


If you ask me, I've seen BMW do a crummy job and skimp on repairs done on my car. They would do my oil change and not tighten the oil cap so oil splashed everywhere... they try to cut corners wherever they can, they replaced my turbos under warranty and when I got my DP's installed at VAC, they noted that the lines were everywhere and weren't fastened as they should have been... just poor service in general. And just today I had my windshield wipers replaced at the dealership and they put on the WRONG BLADES so the passenger side blade was hitting the car frame... the blade itself extended about 2cm past the A-pillar window border (as in, past the window, OVER the painted portion of the A-pillar)... would you really want a dealership with that kind of shoddy worksmanship opening up your engine and spraying media into your engine? What are the chances that they'll do a crummy job and lead to several return trips to fix what they messed up?

To be clear, I do not have any significant financial interest or other relationship with VAC Motorsports. That being said, IMHO, even if another shop / dealership offers this same service for $400, I'd still go to VAC, and that's my honest opinion based on my own personal experience.
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Seriously... I had the RissRacing catch can for a little while, and it caught some oil, not a lot... I removed it because there started being talk of increased PVC presures and I only recently (one month ago) installed the new BMS OCC (Which has already been working great!!). OCC is absolutely necessary for this car, no question, as you alluded to in your post.

And honestly, some people have been saying if it doesn't catch 100% of the oil it's not effective... I don't care if it only collected 50% of the oil, that's still huge. The BMS OCC does a great job and lets MINIMAL if ANY oil through...
hmm interesting, i have an RR can on after my last cleaning and haven't had any problems so far
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      04-15-2012, 10:18 PM   #24
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hmm interesting, i have an RR can on after my last cleaning and haven't had any problems so far
Yeah, I never had a problem with the RR catch can... it did catch oil... I just got paranoid after all the talk about it increasing PCV pressure... glad you're not running into any problems though I never had problems with the can leaking like some other people were complaining about...

Anyways, back on topic
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      04-15-2012, 10:25 PM   #25
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Yeah, I never had a problem with the RR catch can... it did catch oil... I just got paranoid after all the talk about it increasing PCV pressure... glad you're not running into any problems though I never had problems with the can leaking like some other people were complaining about...

Anyways, back on topic
ahh okay, hmm i'll ask my buddy who put it in his thoughts on the subject, im probably the most paranoid out of everyone here. i can't drive my car without checking pressures first. back on topic..

im going to try and stop by tomorrow and get some advice on some thaaangz.
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      04-19-2012, 04:48 PM   #26
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Look at this beast. Made in Germany





This system allows us to blast the area and vacuum the media out at the same time.

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      04-19-2012, 05:10 PM   #27
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      04-24-2012, 01:04 PM   #28
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I am glad to see there are places around where this service is gonna be readily available, and I will be considering this for my recently purchased 535i when I get to 30k miles (car has 24k now).

Kev

Last edited by Force[FED]; 04-24-2012 at 01:51 PM. Reason: Trying to be polite to thread OP.
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      04-24-2012, 01:27 PM   #29
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Is it customary on this forum to post in a vendor's thread with prices from cheaper local shops? When ACM posts up a thread on their exhaust mod do people post up other shops rates who do the same job cheaper?

If you posted another thread cool I guess (though, I'm not sure how that dealer's service team supports the Post community - they do have a good sales guy though ...but this is my sale thread man

ps. we can offer before/after observation

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      04-24-2012, 01:48 PM   #30
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My apologies, Mike...I wasn't trying to say anything negative against VAC at all. Again, I am appreciative that there are MULTIPLE places who are willing to offer this (much needed) service, especially for those like me who don't have the time or experience to do the cleaning myself. I saw where others had posted quotes for other dealers, and the point of me posting was that it seems to be greatly varied dealership to dealership.

That being said, I agree that I would rather go outside of the dealership for a service like this since I don't trust the dealerships will go above and beyond to really clean the valves/runners as best possible. Clearly VAC is going above and beyond, and it's why I will consider using you all soon when I need my 535i cleaned! Dealerships are fine for warranty work, but this type of work is usually best left to those outside the dealership that will take all measures to make sure the intake is pristine when the service is done!

I am lucky that you are are probably within 30-40 minutes from me, and I will be coming in for this service in the near future

Kev
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      04-24-2012, 02:31 PM   #31
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cool
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      05-14-2012, 01:32 PM   #32
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75k mile 335i. Car came in for rough idle and crappy acceleration. Look what we found.

#1



#2



#3



#4



#5



#6

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      05-14-2012, 01:44 PM   #33
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Does the same go for M5s? I have 50K on my M5. I notice when it sits for a week or so and I first start it up, it runs like shit for a few seconds.

I only have 17K on the 07 335i so I think I'm good there, but you've got me thinking about the M5 now.

Also am I correct in assuming you change the oil after such a treatment? I'd hope so but I have to ask
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      05-14-2012, 01:54 PM   #34
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E39 and E60 M5s are not DI so they do not have this exact issue. The E39 M5 has a serious issue with secondary air system carbon build up. That is a BEAST of a job.

Oil change is an option. Since we close the valves completely essentially no media gets 'in the engine' Whatever trace that may make it in is immediately burned off.
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      05-14-2012, 04:02 PM   #35
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Nasty stuff for sure. Mike, did the customer report that the rough idle and crappy acceleration were improved with the carbon/sludge cleaned out?
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      05-14-2012, 04:06 PM   #36
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wow that is crazy!!! Great work!
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      05-24-2012, 01:59 PM   #37
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3 more jobs done this week. We had a 90k mile car that looked AWFUL!

Force: we did plugs and the carbon cleaning - car runs like a champ now.
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      05-25-2012, 09:37 AM   #38
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***Due to popular demand, I lowered our price from $599 to $499 for Bimmerpost members***
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      05-25-2012, 10:38 AM   #39
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Truly wish I had the $$$ for this. Truly impressive before/after pics!!!
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      05-29-2012, 10:56 AM   #40
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Interesting one today. 80k mile car with meth injection. Looks like the meth does help...but not enough obviously.

before:


after:
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      05-29-2012, 04:07 PM   #41
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Interesting one today. 80k mile car with meth injection. Looks like the meth does help...but not enough obviously.

before:


after:
My buildups were pretty impressive but clean valves FTW! Idle is back to rock solid and uber smooth from stumbling/hunting. Noticed improved throttle response as well. Meth since 69k. No OCC.

Best Regards,

smellfish
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      05-29-2012, 04:20 PM   #42
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Nice to hear - thanks for coming in! I missed you some how but Im glad the guys took care of you.
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      05-29-2012, 04:25 PM   #43
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They did a great job! Look forward to the open house this Saturday!
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      05-29-2012, 05:34 PM   #44
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^yes ill be there!!!!
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