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Forced Induction Forum Sponsored by Active Autowerke
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Old 02-04-2013, 11:20 PM   #1
danglerose
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AAC stage 2 pinging after 5,000 miles

I have a curiouser problem happening with my 2004 330ci vert. She ran just dandy for 5k and since then she has developed a bit of a pinging problem. I have thrown up to three octane boosters in per fill up to now avail. What so matter?
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Old 02-04-2013, 11:23 PM   #2
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What kit do u have? I looked up ur previous thread it say AAW then AA so I'm not sure what kit you have.

Where does the Pinging Happens? AFR? and at what boost psi?
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Old 02-05-2013, 11:58 AM   #3
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When my engine started to ping it was already to late , oilring on atleast one pistons failed causing oil to enter the combustion chamberand detonating even further.

Only 1 of my 6 pistons were re-usable(i wasnt going to reuse it anyway)
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Old 02-05-2013, 02:51 PM   #4
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Good thing I know what I am talking about....gotta love AA Stage 2 kit.

Dont worries full details are coming.
What's the deal?

To the OP, what kind of supercharger kit do you have? What conditions does this happen?
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Old 02-05-2013, 05:44 PM   #5
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It is an Active Autowerkes stage 2 VS3. The pinging happens mostly under load. I will send the AFR when I check it this afternoon. I actually have the gauge to do just that.
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Old 02-05-2013, 05:49 PM   #6
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What is VS3? First time hearing that. Keep us posted....
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Old 02-05-2013, 05:50 PM   #7
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Version 3
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AAW Stage 2 VS3 Supercharger
AEM AFR gauge AEM 0-15 PSI boost
Aftermarket M3 power/fold mirrors with signals
Pioneer AVIC N4 DVD/NAV, bluetooth, XM, HD

DIY VDO Gauge cluster, autodim homelink rearview, LeatherZ illuminated Shift, BMW OEM Alarm Retrofit, Hard Top anchors, Alcantra shift and brake boots, Alcantra M3 steering wheel, BMW OEM Aluminum Pedal upgrade, BMW OEM Hardtop mount with Anthracite Hardtop, M3 spoiler
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Old 02-05-2013, 06:18 PM   #8
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Running leannnn?
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Old 02-06-2013, 11:15 AM   #9
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The pinging sounds almost like a very quiet diesel, it occurs regardless of boost range and is most pronounced at 14.5 AFR, and while at low rpms under load
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Old 02-06-2013, 12:55 PM   #10
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Its not detonation (pinging) you are hearing if its under low load unless you filled up with pond water. Maybe pre-det if your timing somehow go super advanced, but that's also unlikely.
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Old 02-06-2013, 12:57 PM   #11
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Can you E-Mail me the serial number of the supercharger as well as a quick shot of the engine bay?

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Old 02-06-2013, 04:04 PM   #12
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The pinging sounds almost like a very quiet diesel, it occurs regardless of boost range and is most pronounced at 14.5 AFR, and while at low rpms under load
Under a load, your AFRs should never be in the 14s. I don't care what anybody else says. You don't want to run crazy rich, but you shouldn't be in the 14s unless you're cruising or idling...

If you're under any sort of boost, that motor should be dumping fuel to compensate for the extra air moving through it. If you're not familiar with AFRs (which you seem to understand..) google it and see how a boosted motor's AFR curve should look.

PS: Diesel M54 ftw??

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Old 02-06-2013, 04:05 PM   #13
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Its not detonation (pinging) you are hearing if its under low load unless you filled up with pond water. Maybe pre-det if your timing somehow go super advanced, but that's also unlikely.
I'm sure his timing is all sorts of fukced up with AFRs being in the 14s under load. Bye motor.
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Old 02-06-2013, 05:55 PM   #14
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low rpms on supercharger means low/no boost and low power....

he never said his AFR under boost was 14.5. He said the noise is worse at 14.5 AND (different condition) low rpms under load.
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Old 02-06-2013, 05:59 PM   #15
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low rpms on supercharger means low/no boost and low power....

he never said his AFR under boost was 14.5. He said the noise is worse at 14.5 AND (different condition) low rpms under load.
Yes, and that's what I responded to. My comment about boost was in a separate sentence because it was just an informative interjection. I appreciate the lesson in reading..

Regardless of supercharger, under any LOAD...not BOOST... the AFRs should initially dip before they even out for cruising. Any amount of load will do that. Any wideband O2 will show that. I'm not making it up... lol
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Old 02-07-2013, 08:24 AM   #16
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I'm sure his timing is all sorts of fukced up with AFRs being in the 14s under load. Bye motor.
Quote:
Originally Posted by Junior2552 View Post
Yes, and that's what I responded to. My comment about boost was in a separate sentence because it was just an informative interjection. I appreciate the lesson in reading..

Regardless of supercharger, under any LOAD...not BOOST... the AFRs should initially dip before they even out for cruising. Any amount of load will do that. Any wideband O2 will show that. I'm not making it up... lol
Please stop posting misinformation.

Target AFR varies greatly between each car/motor. If you notice the 335i will stay 14:1 AFR WOT with full boost until about 4500rpm. That isn't to say that a non-direct injected motor could do that, but don't make blanket statements like that.

Most every motor in the E46 chassis does not start to get "rich" until fairly high up in the RPM range. Cars do not need to run as rich as you think they do as long as they are properly tuned and supported by safety measures of modern ECU technology.
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Old 02-07-2013, 03:33 PM   #17
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Please stop posting misinformation.

Target AFR varies greatly between each car/motor. If you notice the 335i will stay 14:1 AFR WOT with full boost until about 4500rpm. That isn't to say that a non-direct injected motor could do that, but don't make blanket statements like that.

Most every motor in the E46 chassis does not start to get "rich" until fairly high up in the RPM range. Cars do not need to run as rich as you think they do as long as they are properly tuned and supported by safety measures of modern ECU technology.
With all due respect, Zak: These multiple threads posted about your product detonating motors gives me reason to believe that my information is NOT incorrect.

I'm not saying you're the reason it's happening, but other people are. I use your products with pride. My car was tuned by you guys, and I have nothing but good things to say about you guys.

That being said, the 335i runs at 14.1 at WOT until 4500.. Okay, but tuned on alternative software, with more aggressive timing, bolt-ons, etc., it runs in the 12s...I know this for a fact. Cars don't need to run RICH in the high RPMs, but maybe your tunes are a bit too aggressive for some people's cars. That's all I'm saying. So my information is not wrong. Does it apply directly to you? I suppose not. But it's definitely NOT wrong...

Edit: This is the type of review your product gets, Zak;

"I have a stage two as well, bought used here, I have only called them once, didn't get a good vibe from them and after reading some threads here decided to do my own tuning, seems I made the right choice... for a company that charges so much you would think they would have a better understanding of these cars."

"That AFR is targeting stoich! lol. Thanks for coming out...vendor needs to step up their tuning game...iirc they had a new tuner at AA?"

"I also understand the MS45 is difficult to tune but the kit is being sold and is causing damage to customers not aware of this fact."

"Exactly, if you're not sure you can do something don't claim to be able to do it."

These are the things being said about AA about THIS SPECIFIC PRODUCT. My information is not "misinformation," Zak... Until this problem is fixed, I'd appreciate not being called out.

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Old 02-07-2013, 04:01 PM   #18
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http://forum.e46fanatics.com/showthr...4#post15140044
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Old 02-11-2013, 12:03 AM   #19
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Errr..had the car checked out and the "pinging" was not pinging but something else in the pulleys that sounds like marbles. It does not effect performance one iota. It is a purely mechanical noise, not a detonation of any sort. Unfortunately the shop close to me won't touch anything to do with the SC system. I will have to go to the shop that did the install to get it sorted. Good to know that my engine is in no danger of blowing up. PHEW
!!!
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Old 02-11-2013, 12:05 AM   #20
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BTW, I completely dusted a 335 multiple times last night. He was pretty confused.
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AEM AFR gauge AEM 0-15 PSI boost
Aftermarket M3 power/fold mirrors with signals
Pioneer AVIC N4 DVD/NAV, bluetooth, XM, HD

DIY VDO Gauge cluster, autodim homelink rearview, LeatherZ illuminated Shift, BMW OEM Alarm Retrofit, Hard Top anchors, Alcantra shift and brake boots, Alcantra M3 steering wheel, BMW OEM Aluminum Pedal upgrade, BMW OEM Hardtop mount with Anthracite Hardtop, M3 spoiler
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