E90Post
 


Extreme Powerhouse
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 wastegate rattle?



Reply
 
Thread Tools Search this Thread
      05-02-2016, 11:10 PM   #1
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

N55 wastegate rattle?

So on a cold start if i try to get onto any kind of boost, it will rattle (just like any normal wastegate while it is settling)... Now when the car is warmed up and i get on it a little bit and let off, i hear the tiniest slightest turbo rattle (i have to really try to listen for it). The car holds boost great. I heard a tiny tiny amount is normal. The car is a 2013 335i e92 6MT with 24k miles on it. I do have just jb4 g5 ISO on the car with chargepipe with proper settings. Should i be worried and take it to my SA? The car is under warranty until July 2017.
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-02-2016, 11:42 PM   #2
Johnny Boost
Colonel
No_Country
324
Rep
2,013
Posts

Drives: '21 M850i GC
Join Date: May 2013
Location: TBD

iTrader: (0)

If you have a JB4, you can adjust menus 10 and 12 to get rid of wastegate rattle.
__________________
WedgePerformance E40 MHD | Performance Exhaust Mod | BMS DP | Vibrant 1790 | BMS Intake | VRSF CP | xHP Stage 3
Michelin PSS | M3 Control Arms
LUX v4 LEDs | Shadowline Grills | Lip Spoiler
Appreciate 0
      05-03-2016, 12:18 AM   #3
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by Johnny Boost
If you have a JB4, you can adjust menus 10 and 12 to get rid of wastegate rattle.
How exactly do I do that? What do I adjust it to you?
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-03-2016, 10:01 AM   #4
Johnny Boost
Colonel
No_Country
324
Rep
2,013
Posts

Drives: '21 M850i GC
Join Date: May 2013
Location: TBD

iTrader: (0)

Quote:
Originally Posted by E92TiAg335i View Post
How exactly do I do that? What do I adjust it to you?
Menu 10 is default wastegate position and menu 12 is base duty cycle. Menu 10 should be set between 0-5. Menu 12 should be set between 2.5-3.8.

Every car is different but for me, lowering those values will reduce/eliminate wastegate rattle. I've seen some people say that raising the values will reduce the rattle. Also, lowering the settings will reduce throttle response and make your exhaust note deeper with more backfiring/gargling noises while raising the settings will increase throttle response but will reduce exhaust noises. You will have to find the settings that work best for your car. You can change these settings through your steering wheel menu or JB4 program on your computer.
__________________
WedgePerformance E40 MHD | Performance Exhaust Mod | BMS DP | Vibrant 1790 | BMS Intake | VRSF CP | xHP Stage 3
Michelin PSS | M3 Control Arms
LUX v4 LEDs | Shadowline Grills | Lip Spoiler
Appreciate 0
      05-03-2016, 10:03 AM   #5
Welcome to NBA Jam
Is it the shoes!?
Welcome to NBA Jam's Avatar
3884
Rep
5,113
Posts

Drives: (Sold) 2011 E92 335i ZMP 6MT
Join Date: Mar 2014
Location: USA

iTrader: (1)

Mine does it on startup as well. It takes about 15-30 seconds or so before the rattle noise goes away and the exhaust note changes. I don't know if it's normal. I don't experience any specific issues, but if it's an indicator of one, I'd like to get it figured out. I'm tempted to take it to the dealer while the car is still under warranty.
Appreciate 0
      05-03-2016, 11:39 AM   #6
jonluc88
Lieutenant
jonluc88's Avatar
Canada
37
Rep
504
Posts

Drives: BMW 335xi 2011
Join Date: Jun 2014
Location: Montreal, QC

iTrader: (2)

Garage List
I asked the same question to my SA here in Canada and he told me its totally normal.

The car build boost and as soon as the car warms up the rattle is gone.
__________________
BMW 335 xdrive 2011 BSM

BMS Intake, ER CP, ER competition FMIC, N54tuning DP, COBB V2 stage 2+ aggressive, side marker delete, LUX V5, BMW PE, KW V1, Volk Racing CE28N Candy Red (SOLD), Advan Racing RS
Appreciate 0
      05-03-2016, 12:22 PM   #7
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by jonluc88
I asked the same question to my SA here in Canada and he told me its totally normal.

The car build boost and as soon as the car warms up the rattle is gone.
It rattles a little bit when full warmed up.
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-03-2016, 03:36 PM   #8
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by Welcome to NBA Jam
Mine does it on startup as well. It takes about 15-30 seconds or so before the rattle noise goes away and the exhaust note changes. I don't know if it's normal. I don't experience any specific issues, but if it's an indicator of one, I'd like to get it figured out. I'm tempted to take it to the dealer while the car is still under warranty.
Start up is normal as the wastegate seals are settling in... I'm concerned about when it warms up... Car holds boost great and only has 24k miles... But i'm coming from an e46 m3, so i don't know everything about this car.
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-04-2016, 04:55 PM   #9
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Anyone????
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-04-2016, 05:17 PM   #10
rob24ert
First Lieutenant
Canada
83
Rep
394
Posts

Drives: 2011 135i
Join Date: Mar 2015
Location: Canada

iTrader: (1)

I had the same issue. Stock car, 2011 N55 with 44,000KM on it.

Made some noises on cold start and when revs came down. I took it to dealer and they replaced my turbo under warranty at 50,000KM. After wards, the SA said that some wastegate rattle is normal on the N55. I hear it a bit now again after i added JB4, but very very minimal compared to before. You should be fine.
Appreciate 0
      05-04-2016, 08:27 PM   #11
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by rob24ert
I had the same issue. Stock car, 2011 N55 with 44,000KM on it.

Made some noises on cold start and when revs came down. I took it to dealer and they replaced my turbo under warranty at 50,000KM. After wards, the SA said that some wastegate rattle is normal on the N55. I hear it a bit now again after i added JB4, but very very minimal compared to before. You should be fine.
So a very tiny amount when warmed up after i blip the throttle on a downshift deceleration is fine?
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-04-2016, 10:42 PM   #12
rob24ert
First Lieutenant
Canada
83
Rep
394
Posts

Drives: 2011 135i
Join Date: Mar 2015
Location: Canada

iTrader: (1)

I just installed my JB4 and have the same noise. Im assuming its normal. You can adjust settings 10-12 to try and fix the issue. i lowered my setting 10 from 3000 to 2900 and made my idle a bit chopppy but still slight rattle
Appreciate 0
      05-06-2016, 11:28 AM   #13
Johnny Boost
Colonel
No_Country
324
Rep
2,013
Posts

Drives: '21 M850i GC
Join Date: May 2013
Location: TBD

iTrader: (0)

I updated the JB4 interface software on my computer last night. I noticed that they added an anti-rattle setting in the User Adjustment tab that will change the Future Use D. It works really well! OP, you may want to try that. If anyone else wants to try it, open the JB4 interface, go to User Adjustment then click the "Bits" button next to Future Use D. It will ask you a series of questions and one of them will be to use the anti-rattle feature.
__________________
WedgePerformance E40 MHD | Performance Exhaust Mod | BMS DP | Vibrant 1790 | BMS Intake | VRSF CP | xHP Stage 3
Michelin PSS | M3 Control Arms
LUX v4 LEDs | Shadowline Grills | Lip Spoiler
Appreciate 0
      05-06-2016, 12:03 PM   #14
JETmn
Lieutenant Colonel
United_States
245
Rep
1,595
Posts

Drives: 2011 335i xDrive Msport
Join Date: Apr 2013
Location: Orlando

iTrader: (0)

Garage List
2011 335Xi  [0.00]
Quote:
Originally Posted by Johnny Boost View Post
Menu 10 is default wastegate position and menu 12 is base duty cycle. Menu 10 should be set between 0-5. Menu 12 should be set between 2.5-3.8.

Every car is different but for me, lowering those values will reduce/eliminate wastegate rattle. I've seen some people say that raising the values will reduce the rattle. Also, lowering the settings will reduce throttle response and make your exhaust note deeper with more backfiring/gargling noises while raising the settings will increase throttle response but will reduce exhaust noises. You will have to find the settings that work best for your car. You can change these settings through your steering wheel menu or JB4 program on your computer.
Seriously? That is my only complaint about the JB4, but it is a big one. NO DAMN MANUAL!!! Stuff like this is strewn all over the place. It is very capable, but those capabilities are useless if you don't know about them. Thanks for sharing.
__________________
2011 335Xi 6AT - VRSF catless DP - VRSF 7" FMIC with turbo inlet pipe - VRSF chargepipe - Pure Stage 1 turbo - JB4 - E30 - xHP Stage 3 - Strongflex tension bushings - Whiteline RSFB - UUC rear swaybar
Appreciate 1
      05-06-2016, 04:51 PM   #15
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by Johnny Boost
I updated the JB4 interface software on my computer last night. I noticed that they added an anti-rattle setting in the User Adjustment tab that will change the Future Use D. It works really well! OP, you may want to try that. If anyone else wants to try it, open the JB4 interface, go to User Adjustment then click the "Bits" button next to Future Use D. It will ask you a series of questions and one of them will be to use the anti-rattle feature.
Will try it later tonight and report back!
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
      05-07-2016, 07:33 AM   #16
Anytyme
Private First Class
Anytyme's Avatar
75
Rep
150
Posts

Drives: 2011 N55 335i
Join Date: Aug 2015
Location: North Jersey

iTrader: (2)

Quote:
Originally Posted by E92TiAg335i View Post
Will try it later tonight and report back!
Are you sure it's your waste gate that's rattling and not the flap in your exhaust which is a way way more common problem? Wastegate rattle is a common problem on N54's not N55's
Appreciate 0
      05-07-2016, 10:00 AM   #17
E92TiAg335i
Captain
E92TiAg335i's Avatar
United_States
214
Rep
849
Posts

Drives: 2016 F82 M4 Azurite/Opal DCT
Join Date: Sep 2015
Location: Boca Raton, Florida

iTrader: (0)

Quote:
Originally Posted by Anytyme
Quote:
Originally Posted by E92TiAg335i View Post
Will try it later tonight and report back!
Are you sure it's your waste gate that's rattling and not the flap in your exhaust which is a way way more common problem? Wastegate rattle is a common problem on N54's not N55's
110% sure. I already checked this out.
__________________
Current: 2016 F82 DCT M4 FBO Daily.
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 10:36 AM.




e90post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST