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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 02-07-2012, 07:36 PM
ibz150 ibz150 is offline
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Mein Auto: Bmw E39 528i
Smile e39 M5 front and rear bumper conversion

Sorry guys but I have read the entire thread at bimmerforums and still am not clear as to what I will need to make this conversion FULLY and CORRECTLY. I know this bumper comes with the fog lights. But, what else. I don't want to leave anything out. i saw these i'm not sure but i found these from ebay: http://www.ebay.com/itm/EURO-M5-LOOK...#ht_3520wt_932. from all the post i've read i came up that i need to change the following for the front:

1. Left and Right wheel liners. 51712694832 and 51712694899
2. Lower engine cover. (Belly Pan??) 51712498988??
3. Front license plate holder/bracket. 51112694214
4. 2 9006 plugs.

do i really need the first two, what difference does it make. and someone please enlighten me about the rear bumper as i just bought my e39 528i 97 some months ago. do you guys know any other websites where i can buy the bumpers from and last but not least my abs light is on. my traction control kicks when the wheel spins. could it be either the module or a sensor. thank you very much. i really appreciate it
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  #2  
Old 02-07-2012, 07:55 PM
JimLev JimLev is offline
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Haven't really looked into all of the parts required, but there are many for the front bumper.
To answer your front wheel well liner question, IIRC if you don't replace them you will have a gap between the front part of the liner and the bumper.
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  #3  
Old 02-07-2012, 10:00 PM
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doru doru is offline
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///M bumper conversion - parts needed.
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  #4  
Old 02-08-2012, 09:42 AM
ibz150 ibz150 is offline
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thank you any DIY out there. i found a few but there not steps and im only 16 so please help me out thank you very much
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  #5  
Old 02-08-2012, 10:44 AM
Solo12 Solo12 is offline
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Quote:
Originally Posted by ibz150 View Post
thank you any DIY out there. i found a few but there not steps and im only 16 so please help me out thank you very much
Check out http://bmwtips.com/ a and their write up of m-technic bumper install for tons of information on various parts & install,but no pictures.

Pretty good pics of an install, but parts list not as complete
http://www.540isport.com/DIY/M5front...umperparts.htm

Other helpful tips
Removing the headlights may make it easier to remove and install the new bumper, but it is not required

Be sure to thread the thermostat sensor through its hole on the passenger's side lower fender liner.

Re rubber gaskets:
Cut one gasket into two 1052mm pieces and space them symmetrically at the top of the bumper. You should have about a ~2cm gap in the middle between the two pieces for water drainage. My body shop did not do this an when I wash the car water pools up on the center of the bumper below the kindney's it annoys me and I am going to fix it when the weather gets warmer.

You'll use the second gasket for a 984mm section that goes along the bottom center of the bumper where the belly pan makes contact. You'll instantly be able to identify this space once you look so no need to measure exactly and cut. You could place the gasket on the bumper and cut to size once you have an exact fit. This is important to keep the belly pan from making noises in this contact area. (I found these tips online and had a body shop install my bumper so I can not verify the measurements are correct)

Alternator
There is a duct that should be installed behind the driver’s side fog light for air to be funneled back to the alternator. If duct is not installed it could cause the alternator to overheat. Not sure if this is a real issue or not, but personally I did not think it was worth the risk, given the oem non m bumper has an air vent to the alternator.

51-11-2-695-761 Alternator Air Duct (528/525/530) Driver's Side
51-11-7-891-421 Fog Light Frame Left w/Alternator cut out(528/530)

Bumper source
I think you listed an ebay source for a replica bumper. I would also check out Umnitza they are having a big sale on their replica bumpers. People seem happy with their bumpers DDM is another source, but there have been complaints of very poor customer service and one recent complaint that the bumper was not constructed properly.

License Plate
Also just so you are aware there are other options for mounting your license plate besides using the oem plate bracket that requires you to drill holes in your nice new bumper.

There is a mount that screws into the tow hook receptacle. I think bavauto, DDM and others sell it or one very similar.
http://www.gominigo.com/NHLPB-main.html

This is another option. Which is what I went with. You are supposed to drill two small holes on the underside of the bumper to secure it along with the included double sided tape. Right now I am just using the double sides tape. But evenif you do drill the holes they are small and on the underside to they should be pretty unoticeable. http://www.skenedesign.com/FPBracket/index.shtml

Alternative way of mounting it
http://www.m5board.com/vbulletin/e39...e-bracket.html

Question of belly pan fender liners etc.
Depending on how handy, patient you are and your access to tools and a good work place you could just do the bumpers now and if you don't like the fitment with the
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  #6  
Old 02-08-2012, 12:13 PM
bimmerteck bimmerteck is offline
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I'll add another tidbit. If your car is lowered and you get the aftermarket reproduction bumpers(DDM, Umnitza, Ebay ect.) know that while they fit pretty well and look the part. . . they do not flex like the OE bumpers when encountering resistance such as minor scrapes at steep parking lot entrances and exits.



This can leave you running into traffic on a busy roadway to pick up all the little pieces so you can zip-tie them back together until you get a real "M" bumper so be careful out there.
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  #7  
Old 02-08-2012, 12:35 PM
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I just had another customer ask me about the M5 front bumper conversion, HERE is a link to the custom cart my parts guys put together for the M5 bumper conversion for him. It should be the same parts you'll need for the front.

For the rear I have a "custom search" HERE which shows all the parts you would need, 1 of each is all that is needed.


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Last edited by ECSTuning; 02-08-2012 at 12:38 PM.
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  #8  
Old 02-08-2012, 12:41 PM
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umnitza umnitza is offline
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Yep, we are about to receive a huge huge shipment of more bumpers, so we'll be able to fulfill any needs you have.
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  #9  
Old 02-08-2012, 12:51 PM
Solo12 Solo12 is offline
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Quote:
Originally Posted by ECSTuning View Post
I just had another customer ask me about the M5 front bumper conversion, HERE is a link to the custom cart my parts guys put together for the M5 bumper conversion for him. It should be the same parts you'll need for the front.

For the rear I have a "custom search" HERE which shows all the parts you would need, 1 of each is all that is needed.


ECS Tuning
Very helpful. I love how there is a pic for almost everything. For those looking at this in the future there are a few parts that are I6 specific vs. V8 specific for the front. Based on the parts in your link this is an I6 specific list.
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  #10  
Old 02-09-2012, 04:24 PM
ibz150 ibz150 is offline
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thank you very much everyone and does anyone know any sites from where i could buy them
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  #11  
Old 02-09-2012, 04:27 PM
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www.umnitza.com
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  #12  
Old 02-09-2012, 04:27 PM
Solo12 Solo12 is offline
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Quote:
Originally Posted by ibz150 View Post
thank you very much everyone and does anyone know any sites from where i could buy them
Buy what? The bumpers? The accessories?
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  #13  
Old 02-09-2012, 04:49 PM
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Johnny Canada Johnny Canada is offline
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Interesting info here. It sure looks like a fussy project to do it correctly.
http://www.540isport.com/DIY/M5front...umperparts.htm
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  #14  
Old 02-10-2012, 06:55 AM
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Quote:
Originally Posted by ibz150 View Post
thank you very much everyone and does anyone know any sites from where i could buy them
I have the genuine BMW bumpers available Factory fitment and quality as they are factory parts.

Quote:
Originally Posted by Solo12 View Post
Very helpful. I love how there is a pic for almost everything. For those looking at this in the future there are a few parts that are I6 specific vs. V8 specific for the front. Based on the parts in your link this is an I6 specific list.
Correct, that is an i6 list. I'm pretty sure I have the 540 list saved as well if anyone needs it.

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  #15  
Old 02-10-2012, 03:57 PM
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FYI:
re: ALTERNATOR AIR COOLING DUCTS

This is only needed for 1997-1998 e39's going through w/ the conversions.
99 on up don't need this b/c the alternators in 99 on up are liquid cooled.

Also, I'm not sure why you would need a new front air duct part:



My stock one mated to the Mtechnic and M5 bumper conversion perfectly.
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  #16  
Old 02-10-2012, 04:58 PM
Solo12 Solo12 is offline
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Originally Posted by DHoang View Post
FYI:
re: ALTERNATOR AIR COOLING DUCTS

This is only needed for 1997-1998 e39's going through w/ the conversions.
99 on up don't need this b/c the alternators in 99 on up are liquid cooled.

97-98 V8s and I6s? I only ask because that fog light frame and accompanying duct are specific to the I6 cars not V8s.

Whether it is necessary or overkill I am not sure, but I know my car had a cooling duct going to the alternator with my oem non m bumper. In fact there is a secondary duct that part # 51-11-2-695-761 connects to behind the bumper that is supplied from the factory. I ordered the F&R oem retrofit kit which included a lot of the accessories and those were two of them
.

Also, I'm not sure why you would need a new front air duct part:



My stock one mated to the Mtechnic and M5 bumper conversion perfectly.


I got that part but I am not sure how necessary it really was. From what I understand the bottom section of it may interfere with the m bumper I know people have said you have to trim it. I take it you did not have to trim yours?

The secondary air duct I mentioned above is item #11 in this diagram its part # 12 31 1 744 460. As I said it was already connected to the car.


The round part of this (the alternator duct part #51-11-2-695-761 for the m-tech bumper) connects the round part of the above part. The other oblong shaped side sits behind the driver's side fog light and funnels the air back.
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  #17  
Old 02-10-2012, 06:53 PM
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LalaRay LalaRay is offline
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all u need is the bumpers and Front fender liners (left and right).. whoever you buy from im sure they will include the fog lights and the rear diffuser so thats everything you need.
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Old 02-17-2013, 03:49 PM
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Is professional installation required or is it ok for the average DIYer to install this if it came painted from umnitza?

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Old 02-17-2013, 04:17 PM
ibz150 ibz150 is offline
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it is really easy for any DIYer out there. just unscrew the screws in the wheel liner, pop out the four rivets from the vent in the front , unscrew the two torx screw holding the bumper and unplug your fog lights. And you're all set here's a video for you
good luck
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Old 02-17-2013, 10:02 PM
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yes, anyone can do it with a simple tool kit.
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Old 02-17-2013, 10:27 PM
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BM109R BM109R is offline
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Originally Posted by ibz150 View Post
it is really easy for any DIYer out there. just unscrew the screws in the wheel liner, pop out the four rivets from the vent in the front , unscrew the two torx screw holding the bumper and unplug your fog lights. And you're all set here's a video for you
good luck
Thanks for the link.

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Old 02-17-2013, 10:27 PM
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BM109R BM109R is offline
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yes, anyone can do it with a simple tool kit.
Good to know. Thanks.

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  #23  
Old 02-18-2013, 12:14 AM
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Coochie_Bandit Coochie_Bandit is offline
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Correct, that is an i6 list. I'm pretty sure I have the 540 list saved as well if anyone needs it.

James with ECS

Im interested in the 540 list for this conversion.
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  #24  
Old 02-18-2013, 09:29 AM
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Im interested in the 540 list for this conversion.
I had my guys make a genuine BMW kit with all the parts for the 540i M5 from bumper conversion. It can be found HERE.
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Old 02-18-2013, 10:35 AM
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I had my guys make a genuine BMW kit with all the parts for the 540i M5 from bumper conversion. It can be found HERE.
Very helpful. Thankyou.
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