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Teelinger

WTB e12 front calipers

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Good luck, I had a very hard time finding them for a friend's E12.

Many online sites said they had them only to find out on close examination they were not available.

Ended up ordering new ones from BMW that came from Germany.

I sold the cores practically the first day they were listed and one had seized pistons.

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12 minutes ago, Teelinger said:

What am I missing?

 

I think those are the non-vented version.  You could convert them with the correct spacers/o-rings/bolts to the vented version.

 

27 minutes ago, Teelinger said:

one of my calipers is starting to stick. 

 

You could probably just rebuild the calipers as long as the pistons weren't pitted.

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12 hours ago, Teelinger said:

one of my calipers is starting to stick

 

just a little rust in the outer 1/4" of the bore(s)... I'll betcha.

 

pretty easy fix... I'm guessing.

 

I needed two pistons when I did mine (2002)  and got them at Rock Auto for $10 each.

 

If the pistons are the same size as the 2002 calipers, I have a homemade bore scraping tool you could borrow.  Or, just bring them over and scrape them here.

 

Tom

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34 minutes ago, '76mintgrün'02 said:

If the pistons are the same size as the 2002 calipers

 

They are larger than the stock 2002 pistons but that certainly won't prevent Tom from creating a new borer.  The rebuild kits are still available even at RockAuto:

https://www.rockauto.com/en/catalog/bmw,1976,530i,3.0l+l6,1012240,brake+&+wheel+hub,caliper+repair+kit,1720

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36 minutes ago, Teelinger said:

Is it a project that will take more than a day? 

 

I guess that depends on whether you'll need to order any pistons.  That slowed my job down anyway.  I broke one that was very stuck, not realizing that they are brittle.  There was another that was pitted, so I ordered two new ones and was back in business shortly after they arrived.

 

I'm sure we could at least get the rust scraped out of them in one visit.  It shouldn't take too long to make a larger scraper.  Here is a link to the thread where I shared my experience.  

 

https://www.bmw2002faq.com/forums/topic/167847-broken-brake-caliper-piston/

 

A visit would be fun.  We've been talking about it for a long time now.  : ) 

Tom

 

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