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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 01-15-2013, 06:30 PM
djchasman djchasman is offline
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hex bolt holding on rotor stuck

Hey all. I am trying to change out the rear bearing on my 325 and the hex bolt holding on the rotor is not budging. Any ideas on getting it off without damaging. Thanks all.
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  #2  
Old 01-15-2013, 08:47 PM
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bluebee bluebee is offline
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I typed /rotor F3 in the bestlinks and came up with this which may help:
- How to remove stuck rusted-on brake rotors (1) & how to remove a stuck 6mm brake rotor set screw (1)
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See also: E39 Bestlinks & How to easily find what you need
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Old 01-16-2013, 08:32 AM
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smolck smolck is offline
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Quote:
Originally Posted by djchasman View Post
Hey all. I am trying to change out the rear bearing on my 325 and the hex bolt holding on the rotor is not budging. Any ideas on getting it off without damaging. Thanks all.
Squirt it with PB blaster and let soak for 30 min or so. Then insert your hex socket into the bolt and pound the end of it with a big hammer a few times. Then turn, then hit it with a hammer again, and turn and so forth. Should break loose. If you have access to an impact wrench, set it to the low setting and try zapping it a few times with that.

Regardless of the method, the PB blaster soak makes all the difference!
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  #4  
Old 01-16-2013, 02:02 PM
hitbyastick hitbyastick is offline
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FYI if anyone ever has the chance to get their hands on some Kroil do it. Soaking with that magical substance has enabled me to get away with not using a blowtorch more times than I can remember. It's expensive and hard to come by but worth it.
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Old 01-16-2013, 05:42 PM
Jimmys 530i Jimmys 530i is offline
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Quote:
Originally Posted by smolck View Post
Squirt it with PB blaster and let soak for 30 min or so. Then insert your hex socket into the bolt and pound the end of it with a big hammer a few times. Then turn, then hit it with a hammer again, and turn and so forth. Should break loose. If you have access to an impact wrench, set it to the low setting and try zapping it a few times with that.

Regardless of the method, the PB blaster soak makes all the difference!
The PB blaster is a must. I put the 6mm allen on an impact driver, whack it once, and it comes right out. I have this type Snap-On
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Old 01-16-2013, 11:03 PM
GoForthFast GoForthFast is offline
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And keep in mind if you break it off, it is a 'convenience' item. You can run without it with no problem. The wheel bolts are really what holds the rotor in place.
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