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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Rear Rotor Removal 08 e92



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      03-01-2010, 08:59 PM   #1
Sam_335i
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Rear Rotor Removal 08 e92

How does the thing come off? I removes the caliper and the screw on the rotor hub.

Do I need to remove the big circular screw in the middle of the rotor or just bang it until it gets loose....

Here is a pic:
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      03-01-2010, 09:45 PM   #2
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Get a hard rubber mallet and whack it! Sometimes get rusted on.
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      03-01-2010, 11:23 PM   #3
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yup just bang it off. I good hard wack should do it!!!
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      03-01-2010, 11:38 PM   #4
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go ahead and start whacking that thing!!!!!!!!!!
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      03-01-2010, 11:45 PM   #5
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NO! haha... check hand brake first!!! Make sure its not engaged. If it's still stuck then u hit it with a mallet for it to come off...
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      03-04-2010, 11:19 AM   #6
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Good call. I totally forgot about that. Disengage hand brake first before you whack that thing!!
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      11-06-2011, 04:52 PM   #7
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Two things... Does the nut in the photo have to be removed prior to removing the rotor? And, on an automatic does the car have to be in Neutral?
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      11-06-2011, 04:56 PM   #8
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Don't touch "THE NUT"
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      11-06-2011, 05:30 PM   #9
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The rears always tend to rust stuck and I spent a good 30mins a side swearing while smacking it with a rubber mallet. Don't hit the rotor surface if you plan to re-use the disc or you end up in a situation where you can't get it off.

It needs a lot of hard hits on the rotor hat all the way around and I used a pry bar on the brake carrier to get a bit of leverage from the back. Eventually it came loose, but it still caught on the hand brake shoes and I had to wiggle it a bit to get it off completely.

Just ensure the hand brake is not pulled. If you want to be safe and don't want to risk messing up the hand brake adjustment, then push it into to maintenance mode. You need a really long screw driver for this and I mean really long. Pull the gator around the handbrake and you'll be able to see a spring screw on the underside. You need to put the screw driver in the closed straight bit and push straight in. A small hook will come out of the opening in that screw and take all the tension off the handbrake cable. To release it push it straight in again and the hook will release.
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      11-06-2011, 06:11 PM   #10
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i beat the shit out of mine with a mallet, used pb blaster beforehand, didn't budge. tried leverage with a pry bar. nothing.

ended up putting a small scissor jack between the back of rotor and part of the suspension. popped right off.

wanted to mention, anytime you are beating the shit out of something metal, wear eye protection.
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      11-09-2011, 10:58 AM   #11
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Quote:
Originally Posted by mike3000fl View Post
i beat the shit out of mine with a mallet, used pb blaster beforehand, didn't budge. tried leverage with a pry bar. nothing.

ended up putting a small scissor jack between the back of rotor and part of the suspension. popped right off.

wanted to mention, anytime you are beating the shit out of something metal, wear eye protection.
Gotta wonder if a rust remover would help this problem.

What about the install - anti-sieze?
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      11-12-2011, 10:00 AM   #12
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ANTI _ YES

Copper based anti-seize is the answer. But don't put too much on -- just a light coating. I used just a touch on sparkplugs as well.
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