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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Another Walnut Blasting Thread



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      12-13-2012, 04:31 PM   #1
maxipad96
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Another Walnut Blasting Thread

Had my valves walnut blasted by Chad at Total BMW & Mini Charleston, SC.

Needless to say they needed it:

Before:


After:
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      12-13-2012, 06:40 PM   #2
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Does the car feel any different when compared to before? Is it smoother and more powerful? Did you just do the cleaning because everyone else on the forums is doing it, or did you have a specific reason for it?
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      12-13-2012, 06:41 PM   #3
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I scoped my ports and took some pictures. Even after 70,000 miles of hard driving they looked pretty clean. Just a little suit on them that would wash off with some gentle rubbing.




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      12-13-2012, 07:23 PM   #4
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Nice, I've been talking to Chad about getting mine done also. How's it driving afterwards?
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      12-13-2012, 09:50 PM   #5
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It makes a HUGE difference in smoothness and throttle response.

Chad was doing some maintenance work in there and said I might as well do it while they had everything removed. Well worth it.
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      12-13-2012, 09:52 PM   #6
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I just had it done last weekend. Idle is definitely smoother and the throttle response is a little better. Not night and day but I'm glad I did it.
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      12-13-2012, 09:58 PM   #7
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I just had it done last weekend. Idle is definitely smoother and the throttle response is a little better. Not night and day but I'm glad I did it.
Did you get it done over at Roxbury? Do you have CPO?
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      12-13-2012, 10:49 PM   #8
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I just had it done last weekend. Idle is definitely smoother and the throttle response is a little better. Not night and day but I'm glad I did it.
Did you get it done over at Roxbury? Do you have CPO?
No I got it done at Autocouture Motoring in Fair lawn NJ. They did it for $400 + tax. With that said BMW of Roxbury does it for $500 I believe, which isn't bad at all for a dealer. Also I have no warranty. It doesn't matter though, intake valve cleaning isn't covered under warranty.
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      12-13-2012, 10:52 PM   #9
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Quote:
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No I got it done at Autocouture Motoring in Fair lawn NJ. They did it for $400 + tax. With that said BMW of Roxbury does it for $500 I believe, which isn't bad at all for a dealer. Also I have no warranty. It doesn't matter though, intake valve cleaning isn't covered under warranty.
How many miles do you have?
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      12-14-2012, 09:10 AM   #10
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How many miles do you have?
77k.
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      12-14-2012, 09:40 AM   #11
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77k.
Were they cleaned before? How dirty were they?
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      12-14-2012, 03:09 PM   #12
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77k.
Were they cleaned before? How dirty were they?
They were never cleaned before. I forgot to ask the guys to take before and after pics but one said but one of the guys took a peak inside as it was getting done and told me they were pretty dirty. All that matters to me is the rough is gone and its a bit more responsive.
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      12-14-2012, 03:17 PM   #13
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No I got it done at Autocouture Motoring in Fair lawn NJ. They did it for $400 + tax. With that said BMW of Roxbury does it for $500 I believe, which isn't bad at all for a dealer. Also I have no warranty. It doesn't matter though, intake valve cleaning isn't covered under warranty.
fyi - they shouldn't be charging you tax on labor.
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      12-14-2012, 05:48 PM   #14
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I had it done recently at 58.5K. Well worth it. No more hesitations on the highway, better idle, better gas mileage. Feels like its supposed to now.
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      02-26-2013, 02:26 AM   #15
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Quote:
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No I got it done at Autocouture Motoring in Fair lawn NJ. They did it for $400 + tax. With that said BMW of Roxbury does it for $500 I believe, which isn't bad at all for a dealer. Also I have no warranty. It doesn't matter though, intake valve cleaning isn't covered under warranty.
Plenty of guys have had it covered under CPO warranty.
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      02-26-2013, 10:54 AM   #16
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Has anyone that has had this done ever used any fuel injection cleaners prior?
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      02-26-2013, 11:01 AM   #17
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http://campl.us/eY9jHGuuobQ

my before and after. 59K Miles.

Not "night and day difference" persay but it returned my car back to par/new car.
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      02-26-2013, 11:01 AM   #18
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Has anyone that has had this done ever used any fuel injection cleaners prior?
fuel doesn't reach where this cleaning takes place...
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