BMW M3 Forum (E90 E92)

BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read


Go Back   M3Post - BMW M3 Forum > M3 (E90 / E92 / E93) > General M3 Forum (E90 + E92 + E93)
 
PYSPEED
Post Reply
 
Thread Tools Search this Thread
      04-21-2008, 05:00 AM   #23
malter2.0
Banned
 
Drives: em-funf
Join Date: Jun 2006
Location: SF Bay Area

Posts: 908
iTrader: (0)

Garage List
sounds like you are making it crank longer. i believe you can "let it go" earlier and it would still start.

maybe?
malter2.0 is offline   United_States
0
Reply With Quote
      04-21-2008, 08:51 AM   #24
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
i have long cranks when it's cold. we'll see where it goes
!Xoible is offline   United_States
0
Reply With Quote
      04-21-2008, 12:47 PM   #25
valeram
Major
 
Drives: E92 M3 DCT
Join Date: Oct 2006
Location: Dublin, OH

Posts: 1,344
iTrader: (0)

Mine won't start. Oh sorry, my car is not built yet.

Sounds normal to me. I just hope that the new M3 is not using the same problematic 335 fuel pump.
valeram is offline  
0
Reply With Quote
      04-21-2008, 01:29 PM   #26
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
i'd hope not!! in any case it doesnt bother me. it can take 60 seconds starting up if she wants, i know it'll save me over 6 minutes on my commute anyway

@ Fithhh i couldnt play the vid u posted, i have to go home to check it. mine's no longer than 1-2 seconds, just not immediate
!Xoible is offline   United_States
0
Reply With Quote
      04-21-2008, 01:51 PM   #27
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,525
iTrader: (24)

Garage List
2008 M3  [4.75]
Quote:
Originally Posted by malter2.0 View Post
sounds like you are making it crank longer. i believe you can "let it go" earlier and it would still start.

maybe?
I just push the button and let go, not really holding it down. I guess maybe because the car is cold...
__________________
FifthStreetz is offline   United_States
0
Reply With Quote
      04-21-2008, 03:48 PM   #28
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
as long as the part is available it's not a problem....
!Xoible is offline   United_States
0
Reply With Quote
      04-21-2008, 05:27 PM   #29
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,525
iTrader: (24)

Garage List
2008 M3  [4.75]
I started the car up today after a drive when the engine warmed up and the crank was shorter. Im thinking the crank is long on initial startup on cold engines.
__________________
FifthStreetz is offline   United_States
0
Reply With Quote
      04-21-2008, 06:51 PM   #30
SS32
Major
 
SS32's Avatar
 
Drives: 2008 M3
Join Date: May 2007
Location: Raleigh, NC

Posts: 1,431
iTrader: (0)

It's definitely when the engine is cold. I noticed it more so this morning than normal b/c of this thread. But when I left to head home, and the car was still somewhat warm, it cranked right up.
SS32 is offline  
0
Reply With Quote
      04-21-2008, 08:10 PM   #31
Shade
Captain
 
Shade's Avatar
 
Drives: 12 AW F10 M5
Join Date: Mar 2008
Location: Chicago / Hong Kong

Posts: 902
iTrader: (1)

Got a respond from kiddo's car. He was told by the Service guy that he need to change his Fuel pump...
__________________


08 E92 M3 AW M-DCT

09 INDxRENN-SPEC Project GT-R
Shade is offline   United_States
0
Reply With Quote
      04-21-2008, 08:55 PM   #32
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,525
iTrader: (24)

Garage List
2008 M3  [4.75]
Quote:
Originally Posted by ShadeM3 View Post
Got a respond from kiddo's car. He was told by the Service guy that he need to change his Fuel pump...
uh-oh...how long were his cranks?
__________________
FifthStreetz is offline   United_States
0
Reply With Quote
      04-21-2008, 09:17 PM   #33
oneginee
Banned
 
Drives: GT3 RS
Join Date: Oct 2007
Location: SE

Posts: 416
iTrader: (0)

The fuel system must maintain a specified "rest" pressure with the engine shut off. You may have a leaking fuel pump check valve, or leaky pressure regulator that drain rest pressure and cause long cranking times.

OR

dirt, sediment or other debris in the tank can cause the pump’s check valve to stick open (which can cause a hard starting condition due to loss of pressure when the engine is shut off)

If you start having more symptoms like rough idle, hesitation, stumbling, loss of high-speed power it is clearly due to loss of fuel pressure. It may not be the fuel pump can also be caused by a restriction in the fuel line or a defective fuel pressure regulator.

That said I remember when I testdrove the M3 I did notice the crank time was a bit longer than my SL55 AMG. It may be normal.
oneginee is offline  
0
Reply With Quote
      04-21-2008, 09:24 PM   #34
Pancho
Commander
 
Drives: BMW 530i
Join Date: Nov 2007
Location: Mexico

Posts: 222
iTrader: (0)

It is a long startup. I now have > 5,000 Kms. and honestly never felt such a long time. In my M3 it is always short and consistent. I would take it in just to be sure.
Pancho is offline   Mexico
0
Reply With Quote
      04-22-2008, 01:56 PM   #35
fmquadri
Private First Class
 
fmquadri's Avatar
 
Drives: 08 E92 M3
Join Date: Mar 2008
Location: SF Bay Area

Posts: 150
iTrader: (0)

After watching the 1st video I realized that my cranks are longer consistently.

Here's an example from a few moments ago. 62 degrees in the garage and about 16 hours since being driven last.

fmquadri is offline  
0
Reply With Quote
      04-22-2008, 04:23 PM   #36
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
even when it's warm? it's not instant but i dont think mine's abnormal... when it's cold it's normal to have a longer crank. u guys are worrying too much. if it gets to like 3-5 seconds i'd worry about it. again i havent watched the vid's
!Xoible is offline   United_States
0
Reply With Quote
      04-22-2008, 04:29 PM   #37
SS32
Major
 
SS32's Avatar
 
Drives: 2008 M3
Join Date: May 2007
Location: Raleigh, NC

Posts: 1,431
iTrader: (0)

Yeah, I don't think it's long enough to worry about. Have you never had a car that took a second to crank?
SS32 is offline  
0
Reply With Quote
      04-22-2008, 04:34 PM   #38
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
everyone is paranoid coz of 335 issue. but hey, as long as the part is available who cares, just enjoy it and dont let it bother you.....
!Xoible is offline   United_States
0
Reply With Quote
      04-22-2008, 10:33 PM   #39
skierman64
Brigadier General
 
skierman64's Avatar
 
Drives: 2008 E92 Space Gray M3 & E36M3
Join Date: Dec 2006
Location: Greater St Louis Metro area

Posts: 3,068
iTrader: (1)

Garage List
1998 M3 Coupe  [0.00]
2008 M3 Coupe  [0.00]
Send a message via Yahoo to skierman64
My car cranks very similiar to both post #1 and post #37. Nothing abnormal for this car at all.

We aren't having fuel pump problems on car with less than a week on them.

Remember this car has a whole new type of measuring pressure altitude (aviation term) and temperature than other cars in the BMW lineup and most other fuel injected cars world wide. Perhaps it take a few tenths of a second longer to find the right mixture on start up.
__________________
Get a professional motorsports full featured stopwatch app for your Blackberry here: http://appworld.blackberry.com/webstore/content/19464
Invest Wisely...The best mod for your money?? BMWCCA high performance driver's school. The mod that lasts a lifetime and improves the performance of any car you drive
skierman64 is offline   United_States
0
Reply With Quote
      04-22-2008, 10:47 PM   #40
M3Kevin
Private First Class
 
M3Kevin's Avatar
 
Drives: Alpine White 2008 M3
Join Date: Mar 2008
Location: Phoenix AZ

Posts: 128
iTrader: (0)

Garage List
2004 Corvette Z06  [0.00]
2004 GT3  [0.00]
2008 M3  [0.00]
Doesn't seem particularly long to me?
__________________
A happy tire is a squeeling tire.

Happiness isn't around the corner - it IS the corner!
M3Kevin is offline   United_States
0
Reply With Quote
      04-23-2008, 08:34 AM   #41
SS32
Major
 
SS32's Avatar
 
Drives: 2008 M3
Join Date: May 2007
Location: Raleigh, NC

Posts: 1,431
iTrader: (0)

Took some video this morning. First one is a cold start. The car sat overnight and it's 60 degrees outside. Second one is starting it up after it had warmed up.

I took these with my phone, so the sound isn't very good, but you can watch the tach to see how long it takes.



SS32 is offline  
0
Reply With Quote
      04-23-2008, 09:00 AM   #42
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
what are these vid's man? i cant hear the crank
!Xoible is offline   United_States
0
Reply With Quote
      05-08-2008, 10:37 AM   #43
!Xoible
Banned
 
Drives: ....
Join Date: Nov 2006
Location: .

Posts: 46,037
iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
my crank is getting longer warm or cold. today when it was cold it was coughing thru the crank as if it was about to fail then kept on cranking. i should take a video of this, it's getting to a point where im worried
!Xoible is offline   United_States
0
Reply With Quote
      05-08-2008, 11:14 AM   #44
rvacha
Captain
 
rvacha's Avatar
 
Drives: '08 E92 M3
Join Date: Mar 2007
Location: Cleveland, OH

Posts: 745
iTrader: (0)

Garage List
2008 E92 M3  [0.00]
Quote:
Originally Posted by kbk_75 View Post
Mine generally gets going slightly quicker than that video.
+1
__________________

'03 X5 4.4i Blue/Tan
'06 E90 330Xi 6MT Sparkling Graphite/Terra
'08 E92 M3 6MT Jerez/Speed Cloth <-- Evil Twin
rvacha is offline   United_States
0
Reply With Quote
Post 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 06:26 AM.




m3post
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