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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Oct-27-2010, 05:18:21 PM   #1
M///Fanatic
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Default Brake caliper removal question

I am going to be replacing one of my front calipers and had a questions concerning bleeding the brakes. I have have taken the caliper off the rotor and bled my brakes before but am a little unsure how I go about removing the caliper off the car and what to do with brake fluid.

Do I want to drain all the brake fluid out so it won't spill out when I undo the caliper?

Do I want to take the caliper off and then plug the brake fluid hose?

I know I need to bleed the brakes after I complete the installation.

Any tips would be greatly appreciated!
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Old Wed, Oct-27-2010, 05:31:40 PM   #2
04LSBM3
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Quote:
Originally Posted by M///Fanatic View Post
I am going to be replacing one of my front calipers and had a questions concerning bleeding the brakes. I have have taken the caliper off the rotor and bled my brakes before but am a little unsure how I go about removing the caliper off the car and what to do with brake fluid.

Do I want to drain all the brake fluid out so it won't spill out when I undo the caliper?

Do I want to take the caliper off and then plug the brake fluid hose?

I know I need to bleed the brakes after I complete the installation.

Any tips would be greatly appreciated!
You will want to use a large C clamp on the outide of the caliper to retract the piston to make it easier to get the caliper off. Make sure you open your brake fluid revevoir and take out some of the fluid with a turkey baster so that it doesnt run over in your engine bay.

then disconnect the brake line from the caliper and catch the fluid in some can, dont get it on the paint, not much will come out, tie it up to your spring on your front suspension or something.

Once you are done with that, remove the caliper, you just undo the caliper pins, 12mm ro close socket head boltsand then wiggle it off with the pads, should slide right off so long as you did step one.

Read these it will make sense.

http://m3.madrussian.net/diy_front_brake_pads.shtml

http://m3.madrussian.net/diy_front_brake_lines.shtml
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Old Sat, Oct-30-2010, 04:45:48 AM   #3
Brilliant
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if you cant figure out BMW brakes should you be doing your own brakes? Just a thought....
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Old Sat, Oct-30-2010, 05:25:46 AM   #4
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Do I want to drain all the brake fluid out so it won't spill out when I undo the caliper?
No need to drain the entire fluid. The fluid will drip out of the lines unless you plug it in some matter.

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Do I want to take the caliper off and then plug the brake fluid hose?
Yes, remove the caliper by the two 7mm bolts on the inside part of the caliper. Very easy. To remove the lines from the caliper, I believe it's a 14mm wrench you'll need.

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I know I need to bleed the brakes after I complete the installation.
Always a good idea.
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Old Sat, Oct-30-2010, 08:45:30 PM   #5
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Watch this: http://www.youtube.com/watch?v=q3spy5jtvXo
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Discussing Brake caliper removal question in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)