Go Back   MFest Forums > 3 Series > E46 - M & Non M Series

Reply
 
Thread Tools Display Modes
  #11  
Old 01-08-2014, 06:41 PM
EasyEights EasyEights is offline
Newborn
 
Join Date: Jun 2011
Location: Lawton, OK
Posts: 15
EasyEights is an unknown quantity at this point
When I first turn the key I can hear a "whrrrrrrrrr" noise for a few seconds, but not when I shift. When I shift although the position changes the vehicle will not get out of "R" and the noise only happens the first time I turn the key.

Change what fluid?
Reply With Quote
  #12  
Old 01-09-2014, 07:53 PM
petener999's Avatar
petener999 petener999 is offline
Wet Behind the Ears
 
Join Date: Apr 2009
Posts: 137
petener999 is an unknown quantity at this point
Try this... http://www.m3forum.net/m3forum/showt...light=smg+pump
Reply With Quote
  #13  
Old 01-10-2014, 01:08 AM
indohan's Avatar
indohan indohan is offline
Moderator
 
Join Date: Sep 2009
Location: Outside the Sandbox
Posts: 4,245
indohan is an unknown quantity at this point
One way to check if your pump is healthy or not is to hear the pump noise when you unlock the car after parking for awhile.
There is an electronic noise after the car is unlocked; the pump is being charged by car battery.
SMG pump requires abudant amount of power in order to function properly.

This is also why e46 m3 battery will die if the car is not being driven for few months.
Worst case scenario is your SMG pump has already announced its retirement.

Link above is also a good guidance for basic information.
__________________
Reply With Quote
  #14  
Old 01-23-2014, 02:41 PM
EasyEights EasyEights is offline
Newborn
 
Join Date: Jun 2011
Location: Lawton, OK
Posts: 15
EasyEights is an unknown quantity at this point
Alright, well I did replace the really and battery so I'm embarking upon the "replace the SMG hydraulic unit" journey.

Before I spend loads of money on the actual hydraulic unit itself, I have a quick question.

During my search for knowledge related to my issue, I found a thread related to a similar issue on an E46 325I. Instead of buying the SMG Hydraulic Unit on the M3 , the individual simply replaced the SMG Pump.

Are the SMG transmissions for the E46 all the same? Could I replace just the pump or, because its an M, do I have to replace the entire hydraulic unit? Anyone have any experience with this?
Reply With Quote
  #15  
Old 08-19-2015, 07:28 AM
russki88 russki88 is offline
Newborn
 
Join Date: Aug 2015
Posts: 2
russki88 is an unknown quantity at this point
sensors

Hey, I drive an 03 e46 smg...my car would get into gear but miss shift and all sorts of crazy things happened. I changed the smg gear placement sensor and when my EML light came on, changed the top tps (throttle positioning sensor) and that fixed all the issues. I changed the pink relay, however in 100+ degree weather I still go into limp mode if Im stuck in heavy traffic =/
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

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 On

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
E46 M3 wont start. :( MPRESIV3 Engine, Transmission, Exhaust, Drivetrain Modifications 15 09-13-2013 08:24 AM
Fifth Gear Season 22 Episode 6 trev0006 E63/E64 - M & Non M Series 0 03-19-2013 10:32 AM
Top Gear - BMW M135i vs 1M coupe drag race trev0006 E82 0 02-01-2013 11:53 AM
Remote Start DIY for E46 M3s and E70 X5s 415Banker Mobile Electronics and Lighting upgrades 1 11-06-2012 12:59 PM
Cold start acceleration issue Ron Dizzle E60 - M & Non M Series 5 03-31-2012 08:51 PM

All times are GMT -7. The time now is 06:49 PM.