Secondary Air System Carbon Build Up Removal Pictures - Page 2 - BMW M5 Forum and M6 Forums
E39 M5 and E52 Z8 Discussion 1998-2003 Advertiser's Forum

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post #11 of 327 Old 11th November 2008, 04:39 PM
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Great Freakin post. However now I wont be able to sleep at nite!!!

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post #12 of 327 Old 11th November 2008, 04:40 PM
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So from now on, when some one says they fixed their carbon build up with a power-chip, all they did was get the code permanently erased. I hate when people who are selling m5's say " Carbon build-up fixed with power-chip"
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post #13 of 327 Old 11th November 2008, 04:47 PM
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The inside of that engine looks horrible. To think mine looks similar just makes me cringe. Not what I needed to see since I'm getting ready to put a new suspension in, new wheel bearings and new p/s lines.

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post #14 of 327 Old 11th November 2008, 04:48 PM
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What is the mileage on this motor?

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post #15 of 327 Old 11th November 2008, 05:04 PM
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Quote:
Originally Posted by TopEnd View Post
So from now on, when some one says they fixed their carbon build up with a power-chip, all they did was get the code permanently erased. I hate when people who are selling m5's say " Carbon build-up fixed with power-chip"
It's a con isn't it?

It's like covering your eyes and believing what's in front of you doesn't exist..

**** it, let's do it - Australian proverb

"If you are in control, you're not going fast enough."
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post #16 of 327 Old 11th November 2008, 05:19 PM
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thanks for the pics, that is some big time buildup on the pistons, i've opened motors with over 200k miles that have been punished and didn't look anything like that.
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post #17 of 327 Old 11th November 2008, 05:19 PM
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It's a con only if Powerchip didn't tell you what they were doing. They do, so no it's not a con. It doesn't "fix" the carbon buildup, it only keeps the CEL from lighting so the car will pass inspection. From what I've read the cleaning procedure will cost big bucks. And then it could happen again.

Powerchip is a solution, not an actual fix.

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post #18 of 327 Old 11th November 2008, 05:21 PM
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post #19 of 327 Old 11th November 2008, 05:25 PM
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I dont understand how you guys can call Powerchip a con. Its a very sensible solution given that the only other option is spending $8k for BMW to clean it out or at least half that with any indy shop. Let's not forget, as stated earlier, this problem could come back.

Looking at this engine, there seems to be more carbon buildup on the pistons than normal compared to other s62 engines I have seen.

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post #20 of 327 Old 11th November 2008, 05:42 PM
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great pictures and post Mert. I'm also curious how many miles were on this car. I can post some pics tonight of my car at 72k miles when the heads came off, it was much cleaner, wrt carbon. (heads were coming off for other reasons.)

Mike

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