W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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DIY: 82mm throttle body

Old Jul 6, 2013 | 11:24 PM
  #51  
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Newbie, I searched but I can't seem to find the answer to this question but it would appear either Berti or someone else could explain this to me. It seems easy enough to locate a 82mmT/B as it was produced in the years of the cars mentioned earlier in this thread. I get the fact the 82mm T/B doesn't match up with the inlet "snout" as it has been called on this thread.

Is the reason the spacer is being made for this upgrade because there is not a 82mm inlet that would fit or mate correctly? Or is this spacer designed to save the cost?

I'm asking because I am looking at purchasing one and they are saying it is bolt on plug and play. That isn't what I am reading here. Thx for your input. (I have had my car about a year now and love it.)



Thanks for your input.

HD
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Old Jul 7, 2013 | 11:26 AM
  #52  
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The supercharger inlet (snout) does not have a large enough opening for the 82MM. The butterfly will not open, plus, even if it did, there would be no advantage to a larger throttle body if the immediate opening in still 74mm.

There is no plug and play upgrade in 82MM

  • The Supercharger has to come off
  • The snout machined
  • New bolt pattern must be accommodated with either an adapter plate (as shown) a bolt on adapter plate (not recommended because they leak) or new material is added (welded) and new holes tapped
  • Replace all the gaskets (SC to heads / Intake to SC / Snout / Throttle Body
  • Bolt it all back up
  • Change "Y-Pipe" to accommodate larger TB
Done




This is a big effort and cost some $$, the least of which is the actual throttle body. Unfortunately, its not a matter of slapping on a bigger TB.. as you can see.

In my opinion, this mod should be down on the list:


1. Heat Exchanger / Split Cooling
2. Pulley + Tune
3. Headers

If you need more after that, come back to 82mm

Last edited by Bramage; Jul 7, 2013 at 11:29 AM.
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Old Jul 7, 2013 | 11:50 AM
  #53  
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Well said
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Old Jul 7, 2013 | 12:02 PM
  #54  
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I just got mine done and started her up 10 minutes ago...No CEL and all is good
It was a bit of a job though...and I am very well tooled w/ a lift.
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Old Oct 10, 2013 | 07:59 AM
  #55  
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Originally Posted by Firechaser
I just got mine done and started her up 10 minutes ago...No CEL and all is good
It was a bit of a job though...and I am very well tooled w/ a lift.
Did you have to switch your TB wires around like Eurocharged suggest? 1 to 4 and 5 to 6?
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Old Oct 10, 2013 | 09:12 AM
  #56  
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You only have to switch wiring when it's a non mb tb
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Old Oct 10, 2013 | 09:28 AM
  #57  
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Not true some MB TB's need pins switched to
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Old Oct 10, 2013 | 09:31 AM
  #58  
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Why would an mb tb need the pins to be switched to work with the mb ecu?
Can you tell me which ones?
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Old Oct 10, 2013 | 09:38 AM
  #59  
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It depends on how they mount.
Which cars they come off of.
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Old Oct 10, 2013 | 09:43 AM
  #60  
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We are talking about the wiring here, right?

Can someone else confirm this, have done a few of these with friends and some came from s550 or others were unknown but were mb tb and all plugged right in
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Old Oct 10, 2013 | 09:56 AM
  #61  
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No need to swapping the wires with 82mm S550, its plug & play,,

I think wires swapping need to be done with "82mm Audi & 80mm SL55"....!!

ZAYED,,
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Old Oct 10, 2013 | 10:03 AM
  #62  
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Yes with the Audi and Porsche throttle bodies the wires have to be swapped
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Old Oct 10, 2013 | 11:04 AM
  #63  
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And some of the MB 80's or ones off the v12's
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Old Oct 10, 2013 | 11:05 AM
  #64  
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The 82's from the 550's no
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Old Oct 10, 2013 | 11:15 AM
  #65  
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No use using the 80mm as they are really 78mm inside diameter
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Old Oct 10, 2013 | 12:03 PM
  #66  
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I've got an 82mm TB with an adapter plate and the larger Y-pipe for sale in another thread
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Old Oct 10, 2013 | 08:02 PM
  #67  
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Originally Posted by shardul
nice fabrication work!
X 2 Stellar indeed. He knows what he's doing.
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Old Oct 10, 2013 | 11:36 PM
  #68  
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From ameisenkiller @http://forum.amg-owners-club.org/pub...lklappenumbau/
Pinbelegung Fahrzeug = Pinbelegung alte DK A113 141 06 25 bzw A113 141 01 25

74mm Drosselklappe Serie: A113 141 01 25 bzw. A113 141 06 25
Pin 1 = Motor +
Pin 2 = UIP Poti +
Pin 3 = IPM Poti -
Pin 4 = Motor -
Pin 5 = IP2S Poti 2
Pin 6 = IP1S Poti 1
(Laut Zeichnung)

80mm Drosselklappe A275 141 06 25 bzw. A275 140 00 04
Pin 1 = Motor -
Pin 2 = IPM Poti -
Pin 3 = UIP Poti +
Pin 4 = Motor +
Pin 5 = IP2S Poti 2
Pin 6 = IP1S Poti 1

Pin1 mit Pin 4 und Pin2 mit Pin3 an der Drosselklappe müssen getauscht werden.


I bought an 80mm off eBay that came off the v12tt part # 275 141 06 25 .... I'm guessing from this post off of another forum that these are the pins I would have to swap...
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Old Oct 11, 2013 | 05:01 AM
  #69  
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I'm not sure this is correct
Laut Zeichnung = According to drawing
when I was using an MB 80mm part number A275 141 06 25
I swapped the pins 1+4 and 5+6
if you look up lowprofiles write up he says the same thing for A275 141 06 25 1+4 and 5+6
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Old Oct 11, 2013 | 08:53 AM
  #70  
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I just did this on my 03 sl55 no switching wires ,welded ears onto snout,Drilled and tapped ,had a different snout with a larger opening which I got from Kleemann when I did an upgrade to the 78 mm throttle body still had to open that up as well as y pipe for air cleaners ,so far no issues,the 78 mm opened a different way and Kleemann supplied a wire harnes with the wires switched,as long as your throttle body opens the same way and its a benz tb you don't have to switch wires
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Old Oct 11, 2013 | 09:38 AM
  #71  
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So excuse me if this is a stupid question, but does the SC have to come off to remove the snout?
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Old Oct 11, 2013 | 10:33 AM
  #72  
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Yes it does
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Old Oct 11, 2013 | 03:23 PM
  #73  
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Originally Posted by cnterline
I just did this on my 03 sl55 no switching wires ,welded ears onto snout,Drilled and tapped ,had a different snout with a larger opening which I got from Kleemann when I did an upgrade to the 78 mm throttle body still had to open that up as well as y pipe for air cleaners ,so far no issues,the 78 mm opened a different way and Kleemann supplied a wire harnes with the wires switched,as long as your throttle body opens the same way and its a benz tb you don't have to switch wires
the Kleemann harness has the wires switched already
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Old Jul 29, 2014 | 10:40 AM
  #74  
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Looking into installing a oem 82mm throttle body i know i need a adapter plate but will i also need to replace the y pipes that go from the air box to the throttle body also would i be able to bore out my stock s/c inlet and what would be the max recommand size to bore to if possible 80mm or 82mm?

Last edited by bnzuovr; Jul 29, 2014 at 10:44 AM.
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Old Jul 29, 2014 | 10:44 AM
  #75  
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Originally Posted by bnzuovr
Looking into installing a oem 82mm throttle body i know i need a adaptor plate but will i also need to replace the y pipes that go from the air box to the throttle body?
Yes you need the larger one... the SL's have a bigger one if you can source one
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