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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

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 02-09-2011, 11:14 AM
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bluebee bluebee is offline
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Where are the MARKS on the BMW OEM wheels (for proper tire mounting procedures)?

In another wheel-vibration thread yesterday, I found out that both the tires and wheels have marks on them showing where best to mount them for "match mounting" (see pdf attached).
- TIRE MATCH MOUNTING & CUSTOM WHEEL HANDLING
-
Tire Match Mounting & Custom Wheel Handling

I knew all about the tire marks (whether red, yellow, or green ... but I hadn't known before the colors mean different things) ...

But I didn't know there were wheel marks.

Googling and searching in bimmerfest was difficult because the terms are so generic, e.g., "wheel marks mounting" or "where is the wheel balance mark on BMW E39".

I'm hoping, with this post, that someone, offhand, already knows where the wheel marks are on the most common OEM E39 wheels.

Do you know how to find the wheel marks on the OEM E39 wheels?
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File Type: pdf match_mounting.pdf (365.3 KB, 307 views)

Last edited by bluebee; 02-12-2011 at 11:09 AM.
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  #2  
Old 02-09-2011, 11:55 AM
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doru doru is offline
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I don't know I always thought the valve stem is the minimal radial runout for the wheel? I also did the "Hunter" road force balancing and I watched closely. On the machine that point (valve stem) did match the theory. But these guys also match the wheels on each corner after road force balancing - quite elaborate process, but worth the $$$. I lost the shimmy once I left their shop, and I tried a couple other tire stores prior to that - they all told me the wheels were balanced. The Hunter guys did a "Pharmaceutical" job with the balancing though.
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  #3  
Old 02-09-2011, 12:00 PM
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Bee,

Just because you always seem to come out of the blue (heheh) with this stuff, I went ahead and ripped open the box of one my brand new style 42s and indeed found a tiny black dot on the inside edge of the wheel. Don't know if this is relevant to your discussion and I doubt one remains on a well used wheel, but I did find something.
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  #4  
Old 02-09-2011, 12:08 PM
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Quote:
Originally Posted by AnotherGeezer View Post
found a tiny black dot on the inside edge of the wheel.
That's likely it.

This is the only picture I have of the INSIDE of my wheels, last I cleaned 'em ... and before I switched from Jurid/Textar to PBR/Textar (no dusting anymore on the fronts).

Next time I clean my wheels, I'll look for the little "black dot" (reminds me of when this Roman Catholic kid told me we all had a black spot on us somewhere ... but I could never find it as a kid).

Does anyone have a picture of the inside of their OEM wheels?

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  #5  
Old 02-09-2011, 12:11 PM
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I will once the battery in my trusty Coolpix 5200 charges.
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  #6  
Old 02-09-2011, 05:33 PM
sidneyj sidneyj is offline
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Hunter is good equipment but nothing, nothing beats hi speed balancing. A process where the wheels are balanced on the car. I will take a pic tomorrow or Friday to give you an idea.
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  #7  
Old 02-11-2011, 04:19 PM
calwilly1 calwilly1 is offline
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Quote:
Originally Posted by bluebee View Post
That's likely it.

This is the only picture I have of the INSIDE of my wheels, last I cleaned 'em ... and before I switched from Jurid/Textar to PBR/Textar (no dusting anymore on the fronts).

Next time I clean my wheels, I'll look for the little "black dot" (reminds me of when this Roman Catholic kid told me we all had a black spot on us somewhere ... but I could never find it as a kid).

Does anyone have a picture of the inside of their OEM wheels?

Here's a picture showing the mark in question on a new style 71 wheel.
Click image for larger version

Name:	DSCN2376 [640x480].JPG
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  #8  
Old 02-11-2011, 04:34 PM
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check for BBS on backside

Last edited by champaign777; 02-11-2011 at 04:36 PM.
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  #9  
Old 02-11-2011, 04:37 PM
calwilly1 calwilly1 is offline
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Quote:
Originally Posted by champaign777 View Post
check for BBS on backside
BBS meams OEM
Chromodora wheel which is also a BMW OEM manufacturer.
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  #10  
Old 02-11-2011, 05:36 PM
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My 42's say BBS
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  #11  
Old 02-11-2011, 09:13 PM
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On the side. Where did you get that socket for those center caps? I use those wheels as winter wheels and its painful removing the covers. I knew there was an easier way.
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  #12  
Old 02-11-2011, 10:08 PM
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Quote:
Originally Posted by calwilly1 View Post
Here's a picture showing the mark in question
Is it that black thing that looks like the valve?

Or the hole?

Attached Thumbnails
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  #13  
Old 02-12-2011, 08:06 AM
calwilly1 calwilly1 is offline
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Quote:
Originally Posted by bluebee View Post
Is it that black thing that looks like the valve?

Or the hole?

Haven't seen a definitive answer on either the black mark or the drilled hole. Some folks seem to think the hole is from factory balancing and other think it was cast that way. The black mark still seems to be a mystery for now. Do the BBS wheels also have the same markings?"

"That hole doesn't look like it was drilled after the wheel was produced. It looks more like it was part of the casting. Could be that this hole is used to index the wheel to measure RPM speed when it's bolted up to a QC machine of some sort so that each wheel undergoes a quality control spin cycle to measure circumference and wobble". (jeddc-bimmerforums)

Neither the black mark or the drilled hole location seem to affect the balancing efforts since no one has reported any difficulties getting their new wheels properly balanced.
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  #14  
Old 02-12-2011, 10:09 AM
loudbmw loudbmw is offline
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Just a wild guess but I worked in an industrial paint shop and we always complained to the parts designers that we needed holes to hang the parts in the paint booth.
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  #15  
Old 02-12-2011, 11:01 AM
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Quote:
Originally Posted by repcapale View Post
On the side. Where did you get that socket for those center caps? I use those wheels as winter wheels and its painful removing the covers. I knew there was an easier way.
Comes with the wheels. Not sure if it varies by style...
*******>********>
10HUB CAP WRENCH
1

36131181948$4.20
11SUPPORT F HUB CAP WRENCH
1

36131093549$7.67
http://realoem.com/bmw/showparts.do?model=DM63&mospid=47585&btnr=36_0182&hg=36&fg=15
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  #16  
Old 02-12-2011, 05:00 PM
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Interesting. I will have to pick one up. Thanks.
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  #17  
Old 02-13-2011, 12:44 AM
BMC530i BMC530i is offline
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Here you go, brand new 17" OEM BBS style 42 wheel straight from the dealer. The black dot is clearly visible.


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Last edited by BMC530i; 02-13-2011 at 12:55 AM.
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  #18  
Old 02-13-2011, 10:27 AM
franka franka is offline
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Quote:
Originally Posted by sidneyj View Post
Hunter is good equipment but nothing, nothing beats hi speed balancing. A process where the wheels are balanced on the car. I will take a pic tomorrow or Friday to give you an idea.
I would like to see this. Did I miss it above, or is it not posted yet?
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  #19  
Old 02-13-2011, 12:04 PM
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Quote:
Originally Posted by sidneyj View Post
Hunter is good equipment but nothing, nothing beats hi speed balancing. A process where the wheels are balanced on the car. I will take a pic tomorrow or Friday to give you an idea.
I have been hearing about this "on the car" wheel balancing for many many years now.

I was NEVER able to find ANYONE in the industry who heard about it, or knew where to go to get one done on my car. (Here in NYC).

I was also NEVER able to get any sort of elaborated explanation of how this is done by any of the BF members here who mentioned it.

It all summed up to "it's done on the car and is really good". Nothing more.

I'm starting to think that this is more of an urban legend than something that is practiced somewhere that you can take your car and have it done...

Meh.

mw
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Last edited by MatWiz; 02-13-2011 at 12:07 PM.
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Old 02-13-2011, 12:11 PM
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Quote:
Originally Posted by franka View Post
I would like to see this. Did I miss it above, or is it not posted yet?
Look here: http://www.butlertire.com/services.asp

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  #21  
Old 02-13-2011, 01:12 PM
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Quote:
Originally Posted by BMC530i View Post
The black dot is clearly visible
Ah. I see. It's very clear. A circle of paint, on the inner side of the wheel.

Couldn't be simpler a visual indicator. I wonder if it's on my 2002 OEM wheels, after all this time.

Now I have to figure out what to "tell" the tire mounting guy about it. I'll have to read the match mounting procedure again because it was hard enough to get them to mount the tire with the valve across the yellow dot, let alone this inside wheel dot!
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  #22  
Old 02-13-2011, 01:31 PM
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Matwiz, there's a place about 45 min from me. If I get my tires balanced, it will be & there I'll post back.
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  #23  
Old 02-13-2011, 04:54 PM
franka franka is offline
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'On the car balancing' is when for when dynamic balancing is not done correctly.

I've ranted on here before and no more, except to say that more than 50% of the guys and shops doing regular, off the car, dynamic machine balancing, don't have their machines calibrated and/or the operators have never been taught correctly.
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Old 02-13-2011, 04:57 PM
franka franka is offline
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Quote:
Originally Posted by MatWiz View Post
I have been hearing about this "on the car" wheel balancing for many many years now.

I was NEVER able to find ANYONE in the industry who heard about it, or knew where to go to get one done on my car. (Here in NYC).

I was also NEVER able to get any sort of elaborated explanation of how this is done by any of the BF members here who mentioned it.

It all summed up to "it's done on the car and is really good". Nothing more.

I'm starting to think that this is more of an urban legend than something that is practiced somewhere that you can take your car and have it done...

On the car balancing has been around for a long time. Its sorta gimmicky.
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Old 02-13-2011, 04:59 PM
franka franka is offline
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Then their is 'force balancing'. Sorta gimmicky too.
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