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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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Old 01-15-2013, 08:44 PM
akillies akillies is offline
99 540i Make Over
Location: Brooklyn NY
Join Date: Jun 2012
Posts: 71
Mein Auto: 99 540i
Steering wheel shake after M Par hu boring! Help

So I brought a set of E38 M pars to a reputable machine shop and had them bored to 74.1 mm. After finished I had them balanced and mounted and now feel a shake in the steering wheel between 40-50 mph. What Can I do to fix this this problem? Also what can I do if the hub is slightly off(too big)? I apologize a head of time is this question was already submitted in this forum..
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Old 01-15-2013, 10:41 PM
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mjalloul11 mjalloul11 is offline
BMW forever
Location: Lebanon
Join Date: Apr 2012
Posts: 1,041
Mein Auto: 1996 528i 1999 MB C240
Did you have the shakes before, if not take them back to the shop and have them measure the bore again. the hub cannot be too big but can rust and that will feel like it is big . you can clean the rust off with a wire brush.
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Old 01-16-2013, 12:32 AM
Reuvers Reuvers is offline
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Location: The Netherlands
Join Date: Apr 2011
Posts: 139
Mein Auto: BMW e39 540i '97
light shaking between 40-50 usually refers to bad balancing of the front wheels.

To add: is there a lot of balancing 'lead' on the wheels atm? This would indicate the wheels were 'off' either due to not being entirely straight or due to the bore process having been done incorrectly.

If there is little lead on the wheels then I would guess it needs better balancing.

Is the hub on the car too big? Then the wheel would never fit...
If the hole in the wheel is too big get plastic filler rings

Last edited by Reuvers; 01-16-2013 at 12:59 AM. Reason: more info
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Old 01-16-2013, 04:29 AM
JasonSC540ia JasonSC540ia is offline
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Location: Alamogetto NM
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Posts: 679
Mein Auto: 1999 740i
Do a search for "hub rings" or "senc rings" I think there called. Seems to have fixed the issue you discribe.
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Old 01-16-2013, 07:46 AM
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tmvE39/E53/Z32 tmvE39/E53/Z32 is offline
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Location: Seattle --> Atlanta
Join Date: Dec 2010
Posts: 2,033
Mein Auto: Dinan //M5, Dinan 4.8iS,
If the hub-bore is bigger than 74.1mm, that machine shop is not doing a good job. You have to had it measure and use hub rings as suggested.

2000 Dinan S1 //M5 (my DD), 06 DINAN E53 4.8iS (wife's DD), 90 Straman Z32TT (my pride & joy ride)
Gone, but not forgotten: 01 E53 3.0i, 01 525i Sport, 03 DINAN 540i MSport, 01 //M5 and 91 Z32TT
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Old 01-17-2013, 01:44 PM
akillies akillies is offline
99 540i Make Over
Location: Brooklyn NY
Join Date: Jun 2012
Posts: 71
Mein Auto: 99 540i
I have had the wheels mounted and balanced twice since I had the wheels bored and there is the safe amount of lead weights on wheels to assume they are balanced correctly. I had real bad experience with the co that bored the wheels they were supposed to do a complete restore and when I went to pick them up they looked like ****, so I told them I ain't paying for this, ill pay just for the boring and finally they agreed after a multitude of threats. There are only 2 machine shops in the NYC area that bore rims and I guess I have to go all the to Queens to see the other company to get there opinion. Sound good?
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