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Brake pad bolt

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themotomusafir

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Apr 29, 2025
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Hello. This rear brake pad bolt on my 2021 bmw r18 is not coming out. Seems to be it moving freely now, since I unscrewed it fully. Any suggestion for me to pull this out? Thanks.
 

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Angle the wrench a bit and pull at he same time ... or needle-nose-pliers ... its just a locating pin with threads at the end ... it should slide right out.
 
Damn ... well it looks like you are changing pads .. so no need to worry about the existing ones
... I would put a few drops of penetrating oil here:

IMG_20251026_075530283.jpg

All along that pin (that is the one you are trying to get out) and then use needle nose pliers
right here to push it out until you can grab it from the other side .... when I did my brakes it slid right out ... very strange.

... and yes, I know these are the front calipers and you are working on the rear ... but the system is the same and it was
easier to take a pic of the front one. ;)
 
Ulrich said:
Damn ... well it looks like you are changing pads .. so no need to worry about the existing ones
... I would put a few drops of penetrating oil here:

View attachment 19391

All along that pin (that is the one you are trying to get out) and then use needle nose pliers
right here to push it out until you can grab it from the other side .... when I did my brakes it slid right out ... very strange.

... and yes, I know these are the front calipers and you are working on the rear ... but the system is the same and it was
easier to take a pic of the front one. ;)
Click to expand...
Yes this stupid pin man. What a nuisance!!!
 
Hmmm that is a good question ... the parts diagram is no use here

Screenshot 2025-10-26 at 8.47.44 AM.png

I expect he 2 halves to have o-rings between them ... but honestly ... don't split them if you don't have to ... it is messy, asks for leaks and you have to bled the brakes after ... wiggle the pads stick some needle nose down in there ... use some penetrating oil ... that thing should slide right out ... all I can think is that the pads jam it in there ... try to wiggle things loose before you go splitting the calipers. IMO
 
themotomusafir said:
Btw is it ok to split the caliper it's just the screws? Or is there another procedure for that?
Click to expand...
Don´t do that quite yet.
Most likely the anti rattle/squeel spring is hooked up. That is the bent piece pushed on the pads by the pin. Try manipulate that with a screwdriver while you turn/pull the pin.
 
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