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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > More charge pipe cracks



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      10-05-2011, 11:43 PM   #1
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More charge pipe cracks

Well we had a tough one on a customers car of mine, ever since we've had the Injen on the car we started getting all sorts of crazy MAF overrun codes and what not.

Due to the lack of a smoke tester (customer borrowed it and evidently broke it..not too happy), we couldnt exactly find the cause of it...after some probing and pushing we found the charge pipe had cracked right along the molded bracket where it bolts to the alternator, leaving a 2" split that was invisible to the eye unless you squeezed the pipe...

Im going to get some pics up by tomorrow, but all of you guys should be aware that not only will they crack up by the TB, but this seems to be a weak spot as well.

FYI this car has no meth or anything crazy, just a tune, intake and AR's prototype catted downpipe. Now I can finally get back to the dyno and see what we can do
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      10-05-2011, 11:59 PM   #2
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thanks for sharing. how big of a drop in psi did ya notice??
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      10-06-2011, 12:52 AM   #3
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Ouch
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      10-06-2011, 01:01 AM   #4
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so the best way to prevent the crack is to buy an aftermarket charge pipe?
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      10-06-2011, 01:10 AM   #5
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Quote:
Originally Posted by ian2002525 View Post
so the best way to prevent the crack is to buy an aftermarket charge pipe?
yes the stocker is plastic

or run stock boost...
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      10-06-2011, 01:38 AM   #6
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Quote:
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yes the stocker is plastic

or run stock boost...
Somethings are better not knowing!
So whoever is on stage 2 has to be concern for potential leaks on the stock pipe!!!!

Group buy guys!?
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      10-06-2011, 04:53 AM   #7
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Get the ER n55 charge pipe if you run anything higher than stock psi. If you have the stage 2 this is a must do mod.
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      10-06-2011, 06:32 AM   #8
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Yeah we are going to pick up an ER charge pipe..it wasn't making more than 10 I don't think....
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      10-06-2011, 08:22 AM   #9
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This is crappy news. It is almost like BMW was setting novice tune users up with this one. I mean a charge pipe that can't handle over stock boost jesus... I have been planning on getting JB4 once it gets out of Beta, but now it looks like I am going to have to buy a CP as well. A piggy was about as far as I was willing to go with my car because I couldn't stand losing my warranty if the dealer found aftermarket hardware like a downpipe / meth etc. But I want a tune so bad that I am willing to strap on a CP judging by the fact that the dealer would have a really difficult time proving that a charge pipe caused any sort of failure. Who has the best CP out there cause I am going to need one I know Vishnu just got a new batch in and you guys are talking about ER so.....thoughts?
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      10-06-2011, 08:42 AM   #10
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We blew the stock charge pipe in half at the TB weld only running 2.75 psi more than stock. Dealer threw another on for free but I check it all the time now.
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      10-06-2011, 09:25 AM   #11
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Quote:
Originally Posted by Numa-IV View Post
This is crappy news. It is almost like BMW was setting novice tune users up with this one. I mean a charge pipe that can't handle over stock boost jesus... I have been planning on getting JB4 once it gets out of Beta, but now it looks like I am going to have to buy a CP as well. A piggy was about as far as I was willing to go with my car because I couldn't stand losing my warranty if the dealer found aftermarket hardware like a downpipe / meth etc. But I want a tune so bad that I am willing to strap on a CP judging by the fact that the dealer would have a really difficult time proving that a charge pipe caused any sort of failure. Who has the best CP out there cause I am going to need one I know Vishnu just got a new batch in and you guys are talking about ER so.....thoughts?
A charge pipe is a charge pipe. Get what ever you can get best prices. Get a black one , Noones will notice it.
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      10-06-2011, 09:33 AM   #12
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A charge pipe is a charge pipe? Really? I guess this thread is pointless then...Im jk I know what you mean in terms of aftermarket pipes. Just looking for a little direction
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      10-06-2011, 09:40 AM   #13
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Quote:
Originally Posted by Numa-IV View Post
A charge pipe is a charge pipe? Really? I guess this thread is pointless then...Im jk I know what you mean in terms of aftermarket pipes. Just looking for a little direction
as long as its not stock charge or made by plastic.
but is there any fittment issue for different brand of intercooler?
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      10-06-2011, 10:48 AM   #14
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Well depending if your considering going the meth route I would go with the Cp your tuner recomends.
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      10-06-2011, 12:49 PM   #15
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the good news is....... the new cp will allow you to run 17 psi.
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      10-06-2011, 12:51 PM   #16
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Quote:
Originally Posted by ian2002525 View Post
is there any fittment issue for different brand of intercooler?
I've already checked with Helix. The upper cp (ER etc) is what get's changed... the Helix FMIC comes with a new lower cp... and YES it will mate right up with the ER cp.
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      10-06-2011, 12:54 PM   #17
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Quote:
Originally Posted by madmanhiker View Post
Quote:
Originally Posted by ian2002525 View Post
is there any fittment issue for different brand of intercooler?
I've already checked with Helix. The upper cp (ER etc) is what get's changed... the Helix FMIC comes with a new lower cp... and YES it will mate right up with the ER cp.

I have the helix fmic, and the vishnnu charge pipe fits like a charm
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      10-06-2011, 01:36 PM   #18
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Notice any performance differnce with the new cp? I know there will be some cuz of larger diameter and stuff but any raise in psi or anything
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      10-06-2011, 10:43 PM   #19
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Quote:
Originally Posted by Matt@Camber-Toe View Post
Well we had a tough one on a customers car of mine, ever since we've had the Injen on the car we started getting all sorts of crazy MAF overrun codes and what not.

Due to the lack of a smoke tester (customer borrowed it and evidently broke it..not too happy), we couldnt exactly find the cause of it...after some probing and pushing we found the charge pipe had cracked right along the molded bracket where it bolts to the alternator, leaving a 2" split that was invisible to the eye unless you squeezed the pipe...

Im going to get some pics up by tomorrow, but all of you guys should be aware that not only will they crack up by the TB, but this seems to be a weak spot as well.

FYI this car has no meth or anything crazy, just a tune, intake and AR's prototype catted downpipe. Now I can finally get back to the dyno and see what we can do
Matt could you explain in greater detail the symptoms ur customer had with his cracked CP.

Im on stage 2 running at 16PSI JB4, and just today when i floored my car and hit peak boost, i heard a loud woosh noise, and the SES light came on even though my JB4 has the can tool to auto clear codes. Subsequently my car could only run up to 5 PSI of boost, till i pulled over, manually cleared the codes, and shut down the engine for awhile. After start up, all was fine and i was hitting my usual boost again of 16 PSI.

When i got back to the garage, i decided to do a self test, and put the car in DS Mode, stepped hard on the brake pedal and floored the accelerator, i saw my boost gauge hit 16 PSI again and woosh the error came back out, and the car drove at max 5PSI.

Do you think these are symptoms of a cracked charge pipe?

thanks!
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      10-06-2011, 11:34 PM   #20
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Quote:
Originally Posted by bimmer35 View Post
Matt could you explain in greater detail the symptoms ur customer had with his cracked CP.

Im on stage 2 running at 16PSI JB4, and just today when i floored my car and hit peak boost, i heard a loud woosh noise, and the SES light came on even though my JB4 has the can tool to auto clear codes. Subsequently my car could only run up to 5 PSI of boost, till i pulled over, manually cleared the codes, and shut down the engine for awhile. After start up, all was fine and i was hitting my usual boost again of 16 PSI.

When i got back to the garage, i decided to do a self test, and put the car in DS Mode, stepped hard on the brake pedal and floored the accelerator, i saw my boost gauge hit 16 PSI again and woosh the error came back out, and the car drove at max 5PSI.

Do you think these are symptoms of a cracked charge pipe?

thanks!
could very well be. My customer would be able to drive around normally and make maybe 7-8psi...but when the car ran more than that (+5 settings) it would spike, and then drop and maybe make 3-4psi...no noise though. We would get a stumble, the car would lurch, hed pull over and restart it, and be fine again.

transferring the pics over to my gmail account...will post them up tonight.
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      10-06-2011, 11:45 PM   #21
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here ya go..
Attached Images
  
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      10-07-2011, 07:09 AM   #22
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stock charge pipe fail -
i call recall in the distant future.
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