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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - Mid-Atlantic > Carbon Cleaning on N54



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      04-03-2012, 06:22 PM   #23
jdub486
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Adam, count me in for around 4pm per my PM. PM me your address.
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      04-04-2012, 08:13 AM   #24
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Has anyone priced the carbon cleaning (walnut blasting) at local dealers? I have an 07 335i with 50k and I suspect carbon build up. I'm getting a slightly rough idle despite new plugs and HPFP.

Any idea if CPO covers the cleaning? From what I hear it is nearly impossible to throw a code from bad buildup.
I also have an 07 e90 CPO'd that just had the blasting completed. I took the car to BMW of Sterling complaining about hesitation. Wolfgang, my advisor put in a PUMA to have the blasting done under "good will". It was approved in two days and I paid nothing. Maybe try calling?
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      04-04-2012, 08:58 AM   #25
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http://www.e90post.com/forums/showth...valves+cleaned
4 hours labor , not too bad
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      04-04-2012, 11:15 AM   #26
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Checkered Flag offers only a solution based valve cleaning... Clem, what type of cleaning are you offering? Sorry if I missed it somewhere...
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      04-05-2012, 03:55 AM   #27
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walnuts FTW!
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      04-05-2012, 02:15 PM   #28
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Ok, sorry for the delay in getting back to you guys with detailed info. I have confirm that the walnut blaster will be here on Saturday and we are offering carbon cleaning for $400 per car.

I have three members confirmed, but I need to juggle the schedule as Ryan needs to be done by early afternoon. PM's going out shortly.Time slots now are 8, 10 and 12. There will be multiple techs here working and some overlap is needed to keep things moving. That means if you want the 10 a.m. slot, I need you here at 9:30 so your car can be prepped.

If there is enough interest, we will offer this service again on upcoming weekends.
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      04-05-2012, 02:28 PM   #29
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Am I still good for 12pm?
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      04-05-2012, 02:50 PM   #30
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Hey Adam I can do 8am. The earlier the better for me. Also can you PM me your address again?

My engine bay is pretty dirty too so don't judge me LOL

Thanks

-Rich
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      04-05-2012, 04:21 PM   #31
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Quote:
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If there is enough interest, we will offer this service again on upcoming weekends.
There will def be some more people interested for this service in the near future, me being one of them!
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      04-06-2012, 06:50 AM   #32
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Quote:
Originally Posted by Stucks
Quote:
Originally Posted by Clem View Post
If there is enough interest, we will offer this service again on upcoming weekends.
There will def be some more people interested for this service in the near future, me being one of them!
+1! I just still don't have my car back yet. (I had it for a week and then took it to another shop for finishing touches).
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      04-06-2012, 08:11 AM   #33
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Can those who get this done please post results after? I've never heard of carbon cleaning a modern engine before. But there is a first time for everything, I suppose.
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      04-06-2012, 09:49 AM   #34
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You should check out the RS4 section of Audizine. A lot of info on carbon cleaning there. Unfortunately, it looks like carbon cleaning will be like an infrequent maintenance item on direct injection engines.
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      04-06-2012, 10:10 AM   #35
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Quote:
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There will def be some more people interested for this service in the near future, me being one of them!
+2
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      04-06-2012, 10:37 AM   #36
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Man, I figured it had something to do w/direct injection. It's too bad. I wonder if running tunes which run leaner will make this less of an issue.
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      04-06-2012, 04:47 PM   #37
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No fuel actually touches the intake valves. They don't get clean. High temps don't help either. Neither does BMW oem oil @ 15k intervals which isn't a true synthetic and is what most owners will follow.
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      04-06-2012, 05:25 PM   #38
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If you want clean intake valves, run Meth...
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      04-06-2012, 09:01 PM   #39
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If you want clean intake valves, run Meth...

+1, or just do valve carbon cleanings on a maintenance schedule! (every x amount of miles or whatever)
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      04-07-2012, 08:17 AM   #40
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Hey guys, is there a chance that this will be done again in the future? BMW Annapolis wants like $950 for it. Would a Sunday or Monday be possible in the future, saturdays suck for me. Thanks
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      04-07-2012, 01:13 PM   #41
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Very happy with the results!

Didn't take a pic of each cylinder but heres an example



after



Thanks Adam! And friendly bmw techs. Always a pleasure.
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      04-07-2012, 02:09 PM   #42
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Quote:
Originally Posted by bigdaddycane View Post
If you want clean intake valves, run Meth...
running meth will prevent them from getting dirtier, but it won't clean the valves. Walnut blast/chemical scrub them, then run meth to keep them in that condition.
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      04-07-2012, 06:22 PM   #43
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looks good rich!
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      04-07-2012, 10:06 PM   #44
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What a day! Got my downpipes installed, then the Walnut blasting....my 335 has been renewed! Adam knocked out the DPs in an hour and Ryan and Paul did the valve cleaning. Great bunch of guys and they worked very hard.

Kinda beat, but will post pics tomorrow when I download them from my dig camera.

Anyone who has a higher mileage 335 should get this done as MAINTENANCE. Ryan and Paul do excellent work. more to come...
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