E46 BMW Social Directory E46 FAQ 3-Series Discussion Forums BMW Photo Gallery BMW 3-Series Technical Information E46 Fanatics - The Ultimate BMW Resource BMW Vendors General E46 Forum The Tire Rack's Tire Wheel Forum Forced Induction Forum The Off-Topic The E46 BMW Showroom For Sale, For Trade or Wanting to Buy

Welcome to the E46Fanatics forums. E46Fanatics is the premiere website for BMW 3 series owners around the world with interactive forums, a geographical enthusiast directory, photo galleries, and technical information for BMW enthusiasts.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us.

Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

Reply
 
Thread Tools Search this Thread Rating: Thread Rating: 15 votes, 4.87 average. Display Modes
Old 06-17-2011, 09:51 AM   #21
sidnum
Registered User
 
Join Date: Sep 2008
Location: PA
Posts: 49
My Ride: '01 3.25i Sport Pkg
Quote:
Originally Posted by Solidjake View Post
All you need is is this:

floor jack and one jack stand
philips screwdriver
I think Torx 20 head
8" extension
ratchet
8mm socket or 8mm wrench
9mm socket
13mm socket
fan clutch tools
OEM electric fan: 17117561757


- Jack up one side of car (I did the drivers side) and put one jack on the metal plate
- Remove the 8mm bolts holding bumper to the fender liners
- Take out the reinforcement bolts with 9mm socket/ratchet/extension
- Slide bumper out (unclip wiring for fogs and horn)
- Take out the top air intake
- The center duct is held by four pop in screws
- Aux fan is held by four 13mm nuts, take them out
- Disconnect the aux fan by the fan shroud in the engine bay
- Slide the fan out
- Put the center duct back in and top air intake
- Put the front bumper back on in reverse order (slide in, put in the two reinforcement bar bolts and the assorted bolts to the liners.
- Next you have to take the mechanical fan out
- Pop out the fan control unit on the shroud and the other wiring and put them to the side
- Take out the 1 torx screw on the passenger side top and loosen up the fan shroud
- Use the fan clutch tool to loosen the bolt and take out the assembly
- Take your electric fan and slide it against the radiator and screw in the torx screw
- Plug the electric fan to the connector where the aux fan was plugged into
- Place back the control unit and the other wiring to the electric fan shroud

Viola, you're done.


I will make a DIY video later.

Quick question. I'm in the middle of doing this. At the point of taking out the 4 plastic phillips head screws. Are they in any special way other than the norm? They are not budging. Meaning, I have them backed out, but after that, I can pull them out. Had my non-marring pry tool behind them and everything, not coming out. Do I just really force it or am I missing something? Thanks.
sidnum is offline   Reply With Quote
Old 06-17-2011, 09:57 AM   #22
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
They are just clips, so just unscrew the screw as far as you can and just pull it out:


P/n:51-71-8-229-003
Nervous is offline   Reply With Quote
Old 06-17-2011, 10:00 AM   #23
sidnum
Registered User
 
Join Date: Sep 2008
Location: PA
Posts: 49
My Ride: '01 3.25i Sport Pkg
Quote:
Originally Posted by Nervous View Post
They are just clips, so just unscrew the screw as far as you can and just pull it out:


P/n:51-71-8-229-003

Yeah, that's what I was thinking. They're just being ornery I guess. Thanks a lot!
sidnum is offline   Reply With Quote
Old 06-17-2011, 03:07 PM   #24
Solidjake
Zero. Oil. Leaks.
 
Solidjake's Avatar
 
Join Date: May 2008
Location: NYC
Posts: 22,211
My Ride: 2002 330i
Yup, he answered it.
Solidjake is offline   Reply With Quote
Old 06-17-2011, 04:35 PM   #25
tesko.pk
Registered User
 
Join Date: May 2009
Location: Calgary
Posts: 330
My Ride: 2003 530i
Quote:
Originally Posted by Solidjake View Post
- No truck sound when the car is hot
- No chance of the mechanical fan blowing up and taking out MANY parts
- Car feels more responsive due to less drag on the engine
- Better airflow to ac condenser
- Electric fan held by one screw, no special tool needed like the mechanical fan
Awesome!

Could anyone tell me if the swap differs drastically for those of us with a Steptronic transmission? Definitely would like to do this when I replace my cooling system shortly.
tesko.pk is offline   Reply With Quote
Old 06-17-2011, 04:38 PM   #26
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
Quote:
Originally Posted by tesko.pk View Post
Could anyone tell me if the swap differs drastically for those of us with a Steptronic transmission?
Huh?

Last edited by Nervous; 06-17-2011 at 04:39 PM.
Nervous is offline   Reply With Quote
Old 06-17-2011, 04:40 PM   #27
Sansho
OEM ///Member
 
Sansho's Avatar
 
Join Date: Jun 2010
Location: CT
Posts: 1,783
My Ride: 2001 325i
They don't understand that this 'mod' only applies, generally, to those with automatic transmissions.
__________________
.
Sansho is offline   Reply With Quote
Old 06-17-2011, 04:43 PM   #28
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
....and all automatic are steptronics for e46.
Nervous is offline   Reply With Quote
Old 06-17-2011, 05:07 PM   #29
Solidjake
Zero. Oil. Leaks.
 
Solidjake's Avatar
 
Join Date: May 2008
Location: NYC
Posts: 22,211
My Ride: 2002 330i
Quote:
Originally Posted by Nervous View Post
....and all automatic are steptronics for e46.
Wrong
Solidjake is offline   Reply With Quote
Old 06-17-2011, 06:11 PM   #30
tesko.pk
Registered User
 
Join Date: May 2009
Location: Calgary
Posts: 330
My Ride: 2003 530i
Ok, cool. I thought SolidJake had a 5-speed hence why I asked
tesko.pk is offline   Reply With Quote
Old 06-17-2011, 06:56 PM   #31
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
Quote:
Originally Posted by Solidjake View Post
Wrong
Ok, "if not SSG or SMG". Now correct?
Nervous is offline   Reply With Quote
Old 06-17-2011, 07:35 PM   #32
Solidjake
Zero. Oil. Leaks.
 
Solidjake's Avatar
 
Join Date: May 2008
Location: NYC
Posts: 22,211
My Ride: 2002 330i
Quote:
Originally Posted by tesko.pk View Post
Ok, cool. I thought SolidJake had a 5-speed hence why I asked
I wish

Quote:
Originally Posted by Nervous View Post
Ok, "if not SSG or SMG". Now correct?
Nope! Have you even seen the inside of a '99 323i?

Solidjake is offline   Reply With Quote
Old 06-17-2011, 09:25 PM   #33
tesko.pk
Registered User
 
Join Date: May 2009
Location: Calgary
Posts: 330
My Ride: 2003 530i
Quote:
Originally Posted by Solidjake View Post
I wish
Nope! Have you even seen the inside of a '99 323i?
you & me both. I know what you're saying on the tranny, I think they came out with Step for the '01 model year, previous to that it was the oooooold style.
tesko.pk is offline   Reply With Quote
Old 06-17-2011, 09:36 PM   #34
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
Ah... 4L30E, 4 speed GM.... Right. Didn't know that actually.
Nervous is offline   Reply With Quote
Old 06-20-2011, 05:39 AM   #35
daonlydann
Registered User
 
Join Date: Jul 2010
Location: garden grove
Posts: 159
My Ride: 05 330i
Subscribed. Taking out the bumper...hardest part?
Have any others notice increase in mpg? Really?

I avg 17-19 city and 23-26 hwy on my 330i

Last edited by daonlydann; 06-20-2011 at 05:40 AM.
daonlydann is offline   Reply With Quote
Old 06-20-2011, 05:12 PM   #36
sidnum
Registered User
 
Join Date: Sep 2008
Location: PA
Posts: 49
My Ride: '01 3.25i Sport Pkg
Sweet! Did the swap. Works great. Definitely well worth the money if your original aux fan dies. (Or if it's just a project) Hardest part for me was the 4 plastic phillips screw things that hold in the duct to the radiator. They would just not come out. I ended up just breaking them out. Bumper was a breeze to take out, even by myself. I thought that would be the pain. Not the case.

Some things to add:
- Having the front of the car up on ramps was a big help.

- The 2 main bumper bolts are E-12 torx socket (directly fits a male T-50) and the bolts have to be fully removed.

- The 4 phillips that I broke off, the duct actually does fit and stay in place without putting them back in.
sidnum is offline   Reply With Quote
Old 06-20-2011, 05:35 PM   #37
Nervous
Registered User
 
Join Date: Dec 2010
Location: MD, USA
Posts: 1,482
My Ride: 01 330CI 6MT ZSP EU3
Nervous is offline   Reply With Quote
Old 06-25-2011, 11:36 AM   #38
msuka
Registered User
 
Join Date: Dec 2003
Location: Staten Island
Posts: 1,788
My Ride: 2013 335i M sport
About to do this swap and I am also doing a complete cooling system overhaul and I made a huge rookie mistake! I tried to be cheap and got a fan of ebay for $158 shipped when I first looked at the box I knew I was in trouble, I could tell right away it just got off a boat from the south pacific somewhere. I open the box and see its made in Taiwan and the top corners of the fan are snapped off where it mounts up, also they expect you to splice wires together for the motor because there is no connector for it. So I just order the Behr one off ebay for 199 shipped and will be retuning this other piece of junk.
__________________
msuka is offline   Reply With Quote
Old 07-02-2011, 12:15 AM   #39
rbalazsi
Registered User
 
Join Date: Sep 2010
Location: AZ
Posts: 219
My Ride: 323iT, 330Cic
Quote:
Originally Posted by tesko.pk View Post
you & me both. I know what you're saying on the tranny, I think they came out with Step for the '01 model year, previous to that it was the oooooold style.
Close, the Step came out for the '00 model year, ask me how i know.

Back OT, I swapped out my mech & aux fan for the OEM electric on my touring at the end of August last year, it's been running fine through the summer so far down here in Phoenix.
rbalazsi is offline   Reply With Quote
Old 07-08-2011, 11:37 AM   #40
azshorty
Registered User
 
Join Date: Mar 2008
Location: the entire valley of the sun,Az
Posts: 713
My Ride: Hellrot 323CI
Quote:
Originally Posted by rbalazsi View Post
Close, the Step came out for the '00 model year, ask me how i know.

Back OT, I swapped out my mech & aux fan for the OEM electric on my touring at the end of August last year, it's been running fine through the summer so far down here in Phoenix.
im also in phx.
if your car didnt overheat at this time, im about to pull the trigger since my aux fan doesn't go into high speed anymore.
And we both know how hot it gets here.
We would be the proving grounds for this swap.
__________________

Last edited by azshorty; 07-08-2011 at 11:39 AM.
azshorty is offline   Reply With Quote
Reply

Tags
aux, auxiliary, behr, bosch, bumper, clutch, damage, electric, engine, explode, fan, hood, mechanical, mount, mounts, removal, swap

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

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
Censor is ON





All times are GMT -5. The time now is 06:28 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
(c) 1999 - 2011 performanceIX Inc - privacy policy - terms of use