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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 > Turbo Issues - Fault Code 30FE 3100



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      11-29-2011, 08:50 AM   #23
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Quote:
Originally Posted by bryce View Post
it's possible your solenoid (#4 in the diagram) has gone bad. these do fail occasionally. the other possible problem could be the vaccuum line going to that solenoid is clogged or disconnected
+100....same problem than you last year...and is one selenoid defect...
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      11-29-2011, 02:12 PM   #24
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but heres the thing when my mechanic bypassed the vacuum canisters and solenoids the wastegate arm started opening and closing when he accelerated gas during park.. He created a new vacuum line going from the vacuum pump directly to the wastegates...

So could that mean a bad Solenoid or Clogged canister?
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      11-29-2011, 03:04 PM   #25
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Clogged canister is easy enough to test. The solenoids are cheap enough, wouldn't be the end of the world if you just bought a pair of them and replaced on suspicion. If you actually drive the car with vacuum running straight to the wastegate actuators, you will end up with full boost all the time. Vacuum closes the wastegates and generates boost. This is exceedingly dangerous since the ECU has no way to shut down the boost system - you will end up with major problems.
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      11-29-2011, 04:53 PM   #26
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The parts are cheap however unavailable in Egypt ! Takes 2 months to get parts thats why I want to make sure its the proper part before ordering.. I will try bypassing the canisters alone today.. if the problem continues then it could be the solenoids...
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      11-29-2011, 05:15 PM   #27
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Quote:
Originally Posted by Galal01 View Post
The parts are cheap however unavailable in Egypt ! Takes 2 months to get parts thats why I want to make sure its the proper part before ordering.. I will try bypassing the canisters alone today.. if the problem continues then it could be the solenoids...
I know this is off topic but you have an M3 with an N54 engine ? or a 335 with a bunch of M3 parts ?
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      11-29-2011, 06:20 PM   #28
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Quote:
Originally Posted by Galal01 View Post
The parts are cheap however unavailable in Egypt ! Takes 2 months to get parts thats why I want to make sure its the proper part before ordering.. I will try bypassing the canisters alone today.. if the problem continues then it could be the solenoids...
DOH! I saw that on the left, but I thought to myself, "is he really in Egypt or is that an inside joke?" You could always try contacting a US BMW dealer that has an internet parts catalog and see whether they can ship to Egypt. http://www.getbmwparts.com comes to mind. They only do Internet sales, no phone number. You can contact them via AOL IM or email. They have the contact info listed on the website.

Quote:
Originally Posted by JBax View Post
I know this is off topic but you have an M3 with an N54 engine ? or a 335 with a bunch of M3 parts ?
Looks like an extremely nice conversion for a 335 -> M3 including bodywork. I meant to compliment you on that. The small pic in your sig looks quite nice.
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      12-03-2011, 03:16 PM   #29
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Quote:
Originally Posted by JamesM3M5 View Post
DOH! I saw that on the left, but I thought to myself, "is he really in Egypt or is that an inside joke?" You could always try contacting a US BMW dealer that has an internet parts catalog and see whether they can ship to Egypt. http://www.getbmwparts.com comes to mind. They only do Internet sales, no phone number. You can contact them via AOL IM or email. They have the contact info listed on the website.


Looks like an extremely nice conversion for a 335 -> M3 including bodywork. I meant to compliment you on that. The small pic in your sig looks quite nice.
Thanks... Actually its neither.... It was a 316i in 2009 ! Then I purchased a 2010 DCT 335i with a convertible top failure and swapped all the mechanical & electronic parts ( Engine, Transmission, Dashboard, ECU etc..) Then purchased all M3 body parts, interior, wheels from BMW Egypt..

Your gonna ask why I did that instead of just buying an M3.. and the answer is an M3 in Egypt is 2.2 Million Pounds which is almost $380,000 this conversion cost me 600,000 LE which is $100,000
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      12-03-2011, 03:31 PM   #30
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Updates: Canisters are working fine and not leaking air.. however when you unplug the vacuum hose from the solenoids the left tank has noticeably stronger vacuum that the right tank... specially on idle the left one has low continuous vacuum flow while the right one has almost none.. Is that normal?
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      02-25-2012, 01:18 AM   #31
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bump any updates on this?? I am having similar issues...
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      03-09-2012, 09:10 PM   #32
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I had the same issue, MPOWER in Houston, TX figured it out. It's my waste gasket solenoids.

They're too damn good.
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      02-11-2013, 10:37 PM   #33
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Quote:
Originally Posted by asado111 View Post
I had the same issue, MPOWER in Houston, TX figured it out. It's my waste gasket solenoids.

They're too damn good.
bump
i have the same problem the codes that i have 30ff and 3100
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      09-12-2013, 08:05 AM   #34
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Back from the dead post... but op was having 30FE overboost issues. 30FF is an underboosting issue. Will a defective solenoid cause both issues?
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      09-13-2013, 01:51 PM   #35
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I have the same errors: 30FE , 3100.

Been reading a lot on this and there are conflicting reports re. solenoid and 30FE - Overboost

They are definitely related to 30FF - underboost

Quote:
Originally Posted by asado111 View Post
I had the same issue, MPOWER in Houston, TX figured it out. It's my waste gasket solenoids.

They're too damn good.
I hope asado was getting 30FE and not 30FF, that would mean this is a possible cause and fix.
Anyone have any concrete info that 30FE overboost can be related to solenoids?
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      09-14-2013, 10:21 PM   #36
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Quote:
Originally Posted by whatamiat View Post
I have the same errors: 30FE , 3100.

Been reading a lot on this and there are conflicting reports re. solenoid and 30FE - Overboost

They are definitely related to 30FF - underboost



I hope asado was getting 30FE and not 30FF, that would mean this is a possible cause and fix.
Anyone have any concrete info that 30FE overboost can be related to solenoids?
also looking for this answer, i've had a 30FE since last year...plugs and injectors have been replaced, so many different reports with not too many clear resolutions as yet...
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      09-30-2013, 06:41 AM   #37
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rudebwoi - did you get freeze frame data from time of limp analyzed?

Were injectors and coils replaced for this issue?
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      09-30-2013, 05:20 PM   #38
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I suffered this problem of 30fe and p3100 limp codes on my 2007 335i, they manifested themselves very shortly after I installed my catless dp's, it turned out that the vacuum pipe to turbo 2 was split under the weave covering it comes with, repiped the vacuum system from from the canisters to the rear turbo and problem went away, it wasn't an actual overboost issue but rather spikes in the boost levels when demanded by the ECU to overtake or accelerate though mid range rpms.

Good luck...
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      10-01-2013, 09:37 AM   #39
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Kish, I would have thought a split vacuum line would result in 30FF, underboost? not 30fe - overboost.

How did you find out the line was split?
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      05-24-2014, 11:49 PM   #40
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Any updates on this? After installing rbs, n20 map, and replacing OH gasket I started getting this 3100 code underboost. I have not even driven the car over 4krpms either since it has a new clutch as well.
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      10-04-2014, 01:54 AM   #41
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How did OP resolve this?

Even on my stock tune, I'm getting 30FE and 3100 almost half the time I got WOT or gently overtaking on the highway in 6th. There's gotta be a fix for this bullshit. I don't want to spend $200 on the solenoids if they're not even responsible for 30FE.
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      11-24-2014, 09:21 AM   #42
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any news??

the same here, 3 month after do the downpipes, I´m getting the 30FE and 3100 at WOT.

We have check this:
WG arms, were a little sticky, but we put some high temp grease. Dind´t fix the problem.

Solenoids: I understand this works like an interruptor, on or off, 0% or 100% Im right? So, If I´m getting overboost, is because both are working. With the car off, we saw the WG open inside the turbos, when starts the car, both WG arms move along, so I suppose are ok. Any way, I took out the solenoid, blow through them, seems to be ok.

Vacuum Lines: as we have Overboost, lines are off the table here I think... vacuum lines problem will produce underboost I think.

I have Cobb system, and as you can iagine, the actual boost are higher than req. boost. But other strange thing I saw, the Air Charge Temp (ACT) on the log is -53°F, never change....

As I know, the ACT is a data that use the ECU to calculate something in the car. I can see that in the map configuration.

So, any solve to this problem? someone check the ACT? Thanks!
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      12-15-2014, 06:02 PM   #43
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Quote:
Originally Posted by alberto.munizaga View Post
any news??

the same here, 3 month after do the downpipes, I´m getting the 30FE and 3100 at WOT.

We have check this:
WG arms, were a little sticky, but we put some high temp grease. Dind´t fix the problem.

Solenoids: I understand this works like an interruptor, on or off, 0% or 100% Im right? So, If I´m getting overboost, is because both are working. With the car off, we saw the WG open inside the turbos, when starts the car, both WG arms move along, so I suppose are ok. Any way, I took out the solenoid, blow through them, seems to be ok.

Vacuum Lines: as we have Overboost, lines are off the table here I think... vacuum lines problem will produce underboost I think.

I have Cobb system, and as you can iagine, the actual boost are higher than req. boost. But other strange thing I saw, the Air Charge Temp (ACT) on the log is -53°F, never change....

As I know, the ACT is a data that use the ECU to calculate something in the car. I can see that in the map configuration.

So, any solve to this problem? someone check the ACT? Thanks!
Any news on this? Having the same problem now.
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      03-16-2015, 08:36 PM   #44
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