E90Post
 


Evolve Automotive
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Alternator/Servo Belt



Reply
 
Thread Tools Search this Thread
      11-07-2010, 04:08 PM   #1
enrita
Major General
 
enrita's Avatar
 
Drives: 335i - Big turbos
Join Date: Sep 2008
Location: Italian in Sweden

Posts: 7,323
iTrader: (0)

Angry Alternator/Servo Belt

Today for the second time my Alternator/Servo belt shredded. Battery light on , steering wheel gets really hard. Battery must have been down because after only 5 km of highway on my way home (was testing the car with a friend of mine) the ABS light came on, AT light etc etc so we had to stop and called the truck that took it to BMW.

First time happened at 25K and now at 40K . Am i the only one with this recurring problem with the belt???

tow trunk had a camera filming the back of the truck. Took a picture:
Attached Images
 
__________________
07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 ISO - Okada Coils - NGK 5992 Plugs - E85 Walbro - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - midpipes 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - Level 10 AT upgrade - Alpina AT Flash

Last edited by enrita; 11-08-2010 at 09:37 AM.
enrita is offline   Sweden
0
Reply With Quote
      11-07-2010, 05:25 PM   #2
Brian135i
First Lieutenant
 
Brian135i's Avatar
 
Drives: BMW 09' 135i
Join Date: Aug 2009
Location: Sicily

Posts: 373
iTrader: (0)

Garage List
2009 BMW 135i  [0.00]
I have seen one other person with a shredded belt. :-(
__________________
11.35 @ 125MPH
Brian135i is offline   United_States
0
Reply With Quote
      11-07-2010, 05:37 PM   #3
scottp999
Brigadier General
 
scottp999's Avatar
 
Drives: 335i - E92 - 6MT & 4runner SR5
Join Date: Mar 2007
Location: MD

Posts: 4,629
iTrader: (1)

Garage List
2007 BMW 335  [4.50]
Strange.

It's amazing all the electrical gremlins that come out to play when the battery is marginal. In addition to the ones you mentioned, my radio volume would not work.
__________________
Rob Beck Turbos, PROcede Rev. 3, Procede Fueling Flash (via OpenFlash Tablet), PPS Methanol System (Devil's Own 12 GPH Nozzle/Aquamist Flow Sensor/Labonte VC25), DCI, Quaife LSD, BMW Performance Suspension, Autobahn Exotics Exhaust, Helix FMIC, AR Design Downpipes, BSH Catch Can, Forge Diverter Valves, P3cars Vent Boost Gauge, Alufelgen CSL Reps, Lux 5.1 H8 Angel Eyes, HPB HID Fogs, LTBMW M3 Side Skirts, BMW M3 Rear Spoiler, BMW Front Aero Lip, BMW Pedal Kit, BMW M Shift Knob, Autotecknic Matte Black Grilles.
scottp999 is offline  
0
Reply With Quote
      11-07-2010, 07:26 PM   #4
vasillalov
Mad Linux Guru On The Loose
 
vasillalov's Avatar
 
Drives: 2008 335i Sedan
Join Date: Aug 2009
Location: Chicago, IL

Posts: 4,135
iTrader: (3)

Garage List
2008 335i E90  [4.00]
Perhaps you have a bent pulley, bad bearing or simply the tensioner is too tight and it is shredding the belt.

Also, check to see if the belt feels oily. Often, if the belts get contaminated by coolant, oil, etc etc, they will degrade rather quickly...
__________________
Equal Opportunity Harasser!
6MT | COBB | AR | AE | Forge DV | HPF | P3 Gauge | Hybrid Intake | O.S.Giken TCD | All M3 bits | TCKLine
vasillalov is offline   Bulgaria
0
Reply With Quote
      11-07-2010, 07:33 PM   #5
chocobo15
(X_X) O-(^.^Q)
 
Drives: 2013 528i
Join Date: Dec 2009
Location: Irvine

Posts: 167
iTrader: (2)

i had this happen ... i'm @ around 8k on my odometer

they replaced several pullies along with the belt

it scared the shit out of me when it happened. Lost power steering, AC, traction control, etc etc, every single possible warning light came on

towed to BMW, and they fixed it in a couple days. I hope this isn't another one of those recurring problems!
chocobo15 is offline  
0
Reply With Quote
      11-07-2010, 08:08 PM   #6
FLA 335
Captain
 
Drives: 2009 335i (SOLD) !!!!!
Join Date: Sep 2009
Location: Miami Fl

Posts: 746
iTrader: (7)

that does sound strange... i was curios about the thread title as i hadnt seem anything like this come up before... yikes! i guess i should be more weary about the possibility of this happening... have either of you degreased or put belt dressing or anything usual? or did this just happen out of the blue??

hope it gets fixed!!!
__________________
2009 BMW 335i Sedan / Auto / Paddles / Sport / BMW Assist / Heated seats / JB Matte Black Grill / Tischer First Aid Kit w\Triangle / Tischer Hood Pad / "Custom" rear fog switch <---- SOLD!!!!
FLA 335 is offline  
0
Reply With Quote
      11-07-2010, 10:14 PM   #7
jrsniper12453
Second Lieutenant
 
jrsniper12453's Avatar
 
Drives: 335i
Join Date: Mar 2008
Location: Las Vegas/LA

Posts: 222
iTrader: (0)

When you took it in the first time did they just replace the belt? There was a sib or something that a fault in the frame of some cars (07 coupe i know for sure) made it so when you went over bumps it flexed up and rubbed against the alternator belt, which obviously will lead to it fraying and eventually snapping. Look into it quick before your warranty is up.
__________________
2007 335i, Space Gray, Black/Alum, Sports, Prem, CA, Navi, iPod
jrsniper12453 is offline  
0
Reply With Quote
      11-07-2010, 11:46 PM   #8
itsbrokeagain
 
itsbrokeagain's Avatar
 
Drives: E28 535, 1996 Dodge Ram Diesel
Join Date: Mar 2007
Location: Valley Stream, NY

Posts: 15,737
iTrader: (7)

Send a message via AIM to itsbrokeagain
I had this issue with mine, it being an 07 6MT. The power steering pulley at the bottom rubbed subframe, and broke, seen it starting to happen on my friends 07 as well.

Bmw should replace it with a smaller pulley and fit a newer belt...unless you broke the updated one!
__________________
AUTOCouture Motoring: Handling reflector installs to turbo upgrades and superchargers, and everything in between
15-01 Pollitt Drive, Fairlawn NJ 201-666-3500

<-Official Vehicle Transport for AUTOCouture
itsbrokeagain is offline   United_States
0
Reply With Quote
      11-08-2010, 12:09 AM   #9
badass335
Lieutenant Colonel
 
badass335's Avatar
 
Drives: 2007 335i E90 AT
Join Date: Jul 2007
Location: Surrey, BC

Posts: 1,803
iTrader: (10)

Quote:
Originally Posted by Matt@Camber-Toe View Post
I had this issue with mine, it being an 07 6MT. The power steering pulley at the bottom rubbed subframe, and broke, seen it starting to happen on my friends 07 as well.

Bmw should replace it with a smaller pulley and fit a newer belt...unless you broke the updated one!
+1
Had the same thing happen to me. Making a left off a highway, oncoming semi-truck about 50ft away, i hit the gas pedal and wham, dash lights up, lose powersteering etc. freaked me out. The horn on the oncoming truck didn't help either. I slam the gas pedal, and make it across the light. pull over and look under the hood and can see the shredded belt. Call bmw, have the car towed and they find bits of belt INSIDE the engine.

on the plus side, i got a new engine block and subframe pulleys under warranty but another 30secs and it wouldn't have mattered as i'd be a fly on the semi's grill!

Apparently the issue was the subframe and pulley. there is a SIB on it.
badass335 is offline   Canada
0
Reply With Quote
      11-08-2010, 01:21 AM   #10
jrsniper12453
Second Lieutenant
 
jrsniper12453's Avatar
 
Drives: 335i
Join Date: Mar 2008
Location: Las Vegas/LA

Posts: 222
iTrader: (0)

Quote:
Originally Posted by badass335 View Post
+1
Had the same thing happen to me. Making a left off a highway, oncoming semi-truck about 50ft away, i hit the gas pedal and wham, dash lights up, lose powersteering etc. freaked me out. The horn on the oncoming truck didn't help either. I slam the gas pedal, and make it across the light. pull over and look under the hood and can see the shredded belt. Call bmw, have the car towed and they find bits of belt INSIDE the engine.

on the plus side, i got a new engine block and subframe pulleys under warranty but another 30secs and it wouldn't have mattered as i'd be a fly on the semi's grill!

Apparently the issue was the subframe and pulley. there is a SIB on it.
Good thing it wasn't the hpfp that went out or the whole slamming the gas pedal might not have worked so well.
__________________
2007 335i, Space Gray, Black/Alum, Sports, Prem, CA, Navi, iPod
jrsniper12453 is offline  
0
Reply With Quote
      11-08-2010, 01:21 AM   #11
enrita
Major General
 
enrita's Avatar
 
Drives: 335i - Big turbos
Join Date: Sep 2008
Location: Italian in Sweden

Posts: 7,323
iTrader: (0)

yeah the first time a pulley broke and with time ate up the belt. Will see what it is this time.
__________________
07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 ISO - Okada Coils - NGK 5992 Plugs - E85 Walbro - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - midpipes 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - Level 10 AT upgrade - Alpina AT Flash
enrita is offline   Sweden
0
Reply With Quote
      07-08-2012, 05:27 AM   #12
enrita
Major General
 
enrita's Avatar
 
Drives: 335i - Big turbos
Join Date: Sep 2008
Location: Italian in Sweden

Posts: 7,323
iTrader: (0)

nice .. happened again at 61K.....
__________________
07 335i AT - TD St.2 Turbos - COBB (Custom Cobb mapping by http://www.protuningfreaks.com/) - JB4G5 ISO - Okada Coils - NGK 5992 Plugs - E85 Walbro - Injen Intake - Helix IC - Snow Stg. 3 - Stett CP - AR DPs - midpipes 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - Level 10 AT upgrade - Alpina AT Flash
enrita is offline   Sweden
0
Reply With Quote
      07-08-2012, 08:18 AM   #13
Lulz_M3
Banned
 
Drives: AW 335i 6MT
Join Date: Oct 2011
Location: Jax, Fl

Posts: 1,029
iTrader: (0)

Quote:
Originally Posted by enrita
nice .. happened again at 61K.....
I would have them replace the pulleys, something is out of spec
Lulz_M3 is offline   United_States
0
Reply With Quote
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
Forum Jump


All times are GMT -5. The time now is 10:17 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
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