BMW M3 Forum (E90 E92)

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


Go Back   M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > DIY Guides/ Discussions
 
Lux Angel Eyes
Post Reply
 
Thread Tools Search this Thread
      08-22-2012, 02:51 AM   #23
Dannys M3
Captain
 
Dannys M3's Avatar
 
Drives: Space Grey E92 M3
Join Date: Sep 2006
Location: South Florida

Posts: 696
iTrader: (3)

Garage List
2008 M3  [5.00]
Looking at the photos, those looks like torx bolt for the drain and fill.
Dannys M3 is offline   United_States
0
Reply With Quote
      08-22-2012, 05:30 AM   #24
driftflo
Private
 
Drives: M3 E92, M3 E46, C63 PP+
Join Date: May 2012
Location: Europe

Posts: 76
iTrader: (0)

Garage List
14mm allen key... no torx!
driftflo is offline   Germany
0
Reply With Quote
      08-22-2012, 07:22 AM   #25
Sean05
Putcha ang ganda...
 
Sean05's Avatar
 
Drives: 08 MR E92 M3
Join Date: Feb 2010
Location: Los Angeles, Brea CA.

Posts: 5,326
iTrader: (9)

Send a message via Yahoo to Sean05
Quote:
Originally Posted by Dannys M3 View Post
Looking at the photos, those looks like torx bolt for the drain and fill.
Quote:
Originally Posted by driftflo View Post
14mm allen key... no torx!
Yes thats right.. not a torx...when doing fluid change on our E92 m3 from Oil Change, Tranny and Diff uses HEX... no TORX...
__________________

Last edited by Sean05; 08-22-2012 at 07:31 AM.
Sean05 is offline   Philippines
0
Reply With Quote
      08-22-2012, 09:29 AM   #26
Dannys M3
Captain
 
Dannys M3's Avatar
 
Drives: Space Grey E92 M3
Join Date: Sep 2006
Location: South Florida

Posts: 696
iTrader: (3)

Garage List
2008 M3  [5.00]
Ok thanks, in the photo it looked like a torx.
Dannys M3 is offline   United_States
0
Reply With Quote
      09-10-2012, 11:46 AM   #27
ixm3
First Lieutenant
 
Drives: M3x2
Join Date: Jul 2010
Location: DE

Posts: 350
iTrader: (11)

FM

Fwiw, you can use non FM fluid and if the noises bother you, then add FM later.
ixm3 is offline  
0
Reply With Quote
      09-10-2012, 03:19 PM   #28
Sean05
Putcha ang ganda...
 
Sean05's Avatar
 
Drives: 08 MR E92 M3
Join Date: Feb 2010
Location: Los Angeles, Brea CA.

Posts: 5,326
iTrader: (9)

Send a message via Yahoo to Sean05
Quote:
Originally Posted by ixm3 View Post
Fwiw, you can use non FM fluid and if the noises bother you, then add FM later.
yes exactly and if people that will use the NON FM FLUID... make sure to get one at MERC dealer which is

16 bucks a qtz... compare to 30 bucks a qtz for the FM version...

__________________
Sean05 is offline   Philippines
0
Reply With Quote
      09-10-2012, 11:53 PM   #29
jjw2331
First Lieutenant
 
jjw2331's Avatar
 
Drives: 2011 JtBlk e92 M3
Join Date: Sep 2008
Location: Michigan

Posts: 319
iTrader: (5)

Is there any significant difference other than the price between the two oils? For example, does the non-FM perform better vs the FM? Better protection? Better performance from the diff?
jjw2331 is offline  
0
Reply With Quote
      09-11-2012, 08:15 AM   #30
bigjae1976
Takes threads off topic...daily
 
bigjae1976's Avatar
 
Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Milwaukee, WI

Posts: 5,330
iTrader: (12)

Garage List
2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.00]
2013 BMW 328i  [5.00]
I'm using the OE BMW fluid while under warranty.

Has anyone used redline or something else in the rear diff? I would imagine that the Redline 75w-140 would work fine.
__________________


Sponsored by Momentum BMW #593...We Bleed BMW BLUE!
bigjae1976 is offline  
0
Reply With Quote
      09-11-2012, 08:47 AM   #31
Sean05
Putcha ang ganda...
 
Sean05's Avatar
 
Drives: 08 MR E92 M3
Join Date: Feb 2010
Location: Los Angeles, Brea CA.

Posts: 5,326
iTrader: (9)

Send a message via Yahoo to Sean05
Quote:
Originally Posted by jjw2331 View Post
Is there any significant difference other than the price between the two oils? For example, does the non-FM perform better vs the FM? Better protection? Better performance from the diff?
I would assume so... I read somewhere that when your diff starts making the noise BMW will use the FM fluid. I say why wait for that noise just use the FM... I have 72k miles on the car and never made a diff noise, and still opted for the FM fluid just for a piece of mind.

Quote:
Originally Posted by bigjae1976 View Post
I'm using the OE BMW fluid while under warranty.

Has anyone used redline or something else in the rear diff? I would imagine that the Redline 75w-140 would work fine.
Yes people have used the REDLINE... they dont have a diff fluid that comes with Friction Modifier but they do have an additive. not sure how much you need to mix it but i think its safer to just get the BMW FM fluid.
__________________
Sean05 is offline   Philippines
0
Reply With Quote
      09-27-2012, 02:11 PM   #32
driftflo
Private
 
Drives: M3 E92, M3 E46, C63 PP+
Join Date: May 2012
Location: Europe

Posts: 76
iTrader: (0)

Garage List
the more fm, the less the plates inside the lsd grip (so less noise)... so less locking of course!
it also is aggressive to the oil seal.
so i would only use the fm oil if you really need it and dont want to have noises.

for bmw it is easier and more profitable to sell the fm booster oil and dont have to argue with "customer noises".

if you dont have noise issues or dont mind it, stay with the normal syntrax limited slip for better locking performance and healthy seals!


but when talking about locking performance... if you want a proper performance diff, you will need to swap to a clutch-type lsd anyway... vlsd sucks ;-)
driftflo is offline   Germany
0
Reply With Quote
      09-27-2012, 02:18 PM   #33
Porschefile
Major
 
Porschefile's Avatar
 
Drives: E92 M3
Join Date: Jul 2008
Location: Tennessee

Posts: 1,232
iTrader: (6)

Quote:
Originally Posted by bigjae1976 View Post
I'm using the OE BMW fluid while under warranty.

Has anyone used redline or something else in the rear diff? I would imagine that the Redline 75w-140 would work fine.
I use Redline. It was rec'd by Bimmerworld.
Porschefile is offline  
0
Reply With Quote
      10-08-2012, 11:55 PM   #34
Cepheus
Enlisted Member
 
Drives: M3
Join Date: Mar 2012
Location: Vancouver

Posts: 46
iTrader: (0)

I also use the Redline 75w140, but remember one think is use the redline 75w140 not the 75w140NS !!!
Cepheus is offline   Canada
0
Reply With Quote
      02-13-2013, 03:11 PM   #35
jdmish
Second Lieutenant
 
jdmish's Avatar
 
Drives: e92
Join Date: Sep 2008
Location: Southern California

Posts: 203
iTrader: (2)

where did you purchase the fluid with FM booster at??
__________________
jdmish is offline  
0
Reply With Quote
      02-13-2013, 03:20 PM   #36
jjw2331
First Lieutenant
 
jjw2331's Avatar
 
Drives: 2011 JtBlk e92 M3
Join Date: Sep 2008
Location: Michigan

Posts: 319
iTrader: (5)

Your dealer should have it or can order it for you. (you need 3 bottles)

Or...

You can order online
http://www.ecstuning.com/BMW-E92-M3-...tial/ES197413/

http://www.turnermotorsport.com/p-29...46-e9x-m3.aspx
jjw2331 is offline  
0
Reply With Quote
      02-20-2013, 10:40 AM   #37
LucWerkz
Banned
 
Drives: e70 X5 4.8i (Temporarily)
Join Date: Dec 2011
Location: DC/VA/MD/PA

Posts: 1,254
iTrader: (1)

Newbie question but is this the same process for a DCT car? I remember reading somewhere about DCT and 6MT having different diffs...
LucWerkz is offline   No_Country
0
Reply With Quote
      02-20-2013, 02:15 PM   #38
jjw2331
First Lieutenant
 
jjw2331's Avatar
 
Drives: 2011 JtBlk e92 M3
Join Date: Sep 2008
Location: Michigan

Posts: 319
iTrader: (5)

Quote:
Originally Posted by Red_Baron View Post
Newbie question but is this the same process for a DCT car? I remember reading somewhere about DCT and 6MT having different diffs...
The DCT differential is slightly different in size and has a taller gear from what I understand. However, the process to change the fluid should be the same as well as the differential fluids you use. A quick call to a dealer service foreman should confirm this.
jjw2331 is offline  
0
Reply With Quote
      03-19-2013, 07:45 PM   #39
5soko
Brigadier General
 
5soko's Avatar
 
Drives: M5
Join Date: Aug 2007
Location: Brooklyn, NY

Posts: 4,211
iTrader: (4)

Do the plugs have washers or O-rings? Im assuming new drain bolts come with the o ring and both the drain and fill new replacing once opened?

Also anyone have a copy of the TIS of changing the rear diff oil? That would be awesome!
__________________
Current: ///M5 LCI with Evolve and RPi mods
Previous: E92 335i ||| FBO Heavy modded E90 LCI M-Sport 335i
5soko is offline   Montenegro
0
Reply With Quote
      03-19-2013, 11:45 PM   #40
jjw2331
First Lieutenant
 
jjw2331's Avatar
 
Drives: 2011 JtBlk e92 M3
Join Date: Sep 2008
Location: Michigan

Posts: 319
iTrader: (5)

Quote:
Originally Posted by 5soko View Post
Do the plugs have washers or O-rings? Im assuming new drain bolts come with the o ring and both the drain and fill new replacing once opened?
Both plugs have rubber o-rings in them. I've reused them with no leaks but it never hurts to use new ones.
jjw2331 is offline  
0
Reply With Quote
      06-17-2013, 01:28 PM   #41
RBB
First Lieutenant
 
RBB's Avatar
 
Drives: E92 M3
Join Date: Mar 2012
Location: NOVA

Posts: 344
iTrader: (10)

Going to change my diff fluid this weekend. After the initial fill and a short drive is it necessary to open the fill bolt back up and top off the fluid? I've seen conflicting instructions.
RBB is offline  
0
Reply With Quote
      06-20-2013, 01:13 PM   #42
MasterD78
Private First Class
 
Drives: '08 E90 M3 JB/IR
Join Date: May 2010
Location: Salt Lake City

Posts: 140
iTrader: (3)

Just did this, thanks! Super easy!
MasterD78 is offline  
0
Reply With Quote
      06-24-2013, 09:22 AM   #43
RBB
First Lieutenant
 
RBB's Avatar
 
Drives: E92 M3
Join Date: Mar 2012
Location: NOVA

Posts: 344
iTrader: (10)

Completed my change this weekend and it was very easy but I had a hell of a time getting the drain bolt out. There simply was not enough clearance between that bolt and my exhaust to fit my 14mm socket plus the wrench. The socket I have was just way too long. Ended up going to the hardware store and found a 14mm nut there that was about 2" long. I was able to insert that into the drain plug and put a 6 point box wrench on the other end and twist the plug off. Put the new one on as well, but obviously I couldn't torque to spec.

Apparently this is an issue for a lot of BMW owners and there are specialized stubby 14mm hex sockets for this application. I found one here and placed an order:
http://www.bimmertools.com/Perfect-f...mstubby3-8.htm

Just a heads up for you guys. You might want to order one of these beforehand and save yourself some trouble. I'm surprised no one else has mentioned having the same problem.

Last edited by RBB; 06-24-2013 at 12:43 PM.
RBB is offline  
0
Reply With Quote
      06-24-2013, 11:42 AM   #44
signes
Brigadier General
 
signes's Avatar
 
Drives: E90 M3
Join Date: Sep 2008
Location: Spinnin at 8k

Posts: 4,175
iTrader: (3)

I ordered a stubby 7mm hex from them for brake changes and it makes life a lot easier. Pricing is a ripoff but couldn't find it elsewhere.

Thanks to the OP for posting this, going to do next weekend.
__________________
08 E90 | Jet Black / Black | 6MT
Mods: RAC RG63 w/ Pirelli Corsa 255F/285R | Akrapovic Evo Exhaust | OEM Blacklines
Winter Setup: OEM 18s w/ Nokian Hakkapeliita R 245/40-18
signes 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 07:20 PM.




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