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E34 (1989 - 1995)

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  #1  
Old 07-13-2012, 01:31 AM
jimbop jimbop is offline
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Location: Victoria, Australia
 
Join Date: Jul 2012
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Mein Auto: 1993 525i E34
E34 525i Brakes

Today I picked up my E34 525i. As I didn't have a car and knew the people selling, they gave it to me dirt cheap. Got my unregistered vehicle permit and drove it home. I knew it had some issues, and I knew the brakes were worn but I didn't realize that they were so worn than it make a dreadful noise under braking. I have a feeling there aren't any pads left.

Before I take it to get a roadworthy check, I want to install new brakes, I don't feel safe driving it with the brakes in their current state. I can't find a manual online that tells me what tools I need, so I was wondering if someone on here would be able to tell me what tools I needed and how to change them, and if the sensors need to be replaced as well.
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  #2  
Old 07-13-2012, 04:22 AM
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CarDriver CarDriver is offline
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Location: Saint Albans, New York
 
Join Date: Apr 2008
Posts: 2,409
Mein Auto: 1992 525it /2004 ML350
These links should set you on your way

E34 Brake system FAQ

http://www.garageboy.com/bmw/brakefaq.html

Rotor replacement

http://www.bmwe34.net/E34main/Mainte...kes/Rotors.htm

Pad replacement

http://www.bmwe34.net/E34main/Mainte...rakes/Pads.htm

E34, many helpful things :o)))

http://www.bmwe34.net/E34main.html
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  #3  
Old 07-13-2012, 05:28 AM
snowsled7 snowsled7 is offline
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Location: SW Mountains
 
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Just doing the reading is a great idea. This sounds like a first time effort to me. Can you find someone who has done 20+ brake jobs to sit with you? Experience will teach you more than books.
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  #4  
Old 07-13-2012, 06:06 PM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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Mein Auto: E34 Touring AC Schnitzer
17mm and 19mm sockets, a 3" extension bar, a ratchet, a g-clamp, and whatever system you are going to use to raise the car in the air is all you need to change them. piece of cake to do. havent read the links sorry
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  #5  
Old 07-13-2012, 07:46 PM
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M540FELLA M540FELLA is offline
Josh
Location: Chatt,TN
 
Join Date: May 2012
Posts: 829
Mein Auto: 95 540i m sport
yeah brakes are one of the easiest maintance items to replace, it was one of the first things I learned how to do. However your first time I would have someone with some experience close by.
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  #6  
Old 07-16-2012, 01:56 AM
jimbop jimbop is offline
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Location: Victoria, Australia
 
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Mein Auto: 1993 525i E34
Thanks for all the advice. My father and I drove it into the garage and put it up on the stands and checked the brakes all the way around. The pads have PLENTY of life left in them, but I still have a really nasty noise that comes from the rear. The rear left disc seems to be fine, but the one on the right is really scored, I was wondering if that could be the cause of the noise? The noise appears to be coming from the rear right. The mechanic I'm taking it to has a reputation for replacing things that don't need to be replaced, so I'd like a few opinions before I go in. Could it be a stone in between the pad and rotor? The person who previously owned it had a really muddy driveway. Any ideas?

Many, many thanks for the replies.

Jamie.
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  #7  
Old 07-16-2012, 04:37 AM
snowsled7 snowsled7 is offline
The Ornery Old Man
Location: SW Mountains
 
Join Date: Mar 2012
Posts: 980
Mein Auto: GTI
Ummmm... STOP taking it to a mechanic that replaces unecssary items. Who accepts that? Really?

Typically a groved rotor means the pads wore down to the backing plate and it ground grooves into the rotor. A rock against the disc makes such a squeal that you just wouldn't be able to leave it and still drive in most cases but, who knows.

BMW brakes are no different than the brakes on any other car, there is nothing to fear.
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  #8  
Old 07-16-2012, 09:44 AM
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M540FELLA M540FELLA is offline
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