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2010 2011 BMW 5 Series Forum F10 Need help with front brakes- 2011 bmw 550i |
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04-21-2015, 10:48 AM | #1 |
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Need help with front brakes- 2011 bmw 550i
So I decided to change my front brake pads myself yesterday. Looked up all online resources and felt I was ready to knock it out in an hour or so....
Until I ran into removing those stupid guide pins. Everything I read reference older vehicles and claims I need a 7mm or 10mm hex head socket. 10mm is too small and 12mm is too large. I'm losing my mind here. Can anyone please confirm that it is indeed a 11mm hex head that will remove the guide pins? I would hate to admit defeat and take it in to let someone else put brake pads on it. Thanks For The Help! |
04-21-2015, 09:14 PM | #2 |
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@Joetad , lucky you, I just did one today.
The guide pin is 7mm Hex Key. But I didn't even remove them. I remove the hold caliper since it is easier.
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04-22-2015, 06:31 AM | #3 |
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That's so strange.... I must have some type of aftermarket calipers or something. I removed the dust cap and I swear everything up to 10mm was too small. 12mm was too large.
I guess I can just remove the entire caliper but I was a little nervous I would damage the rotor trying to compress the piston a bit to get it off. Anyone have any ideas? Do the M Sports have a different caliper or something? It's just really, really odd that everyone else can fit a 7mm and mine won't (and appears to be 11mm). |
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04-22-2015, 05:50 PM | #5 |
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Ok so just to save anyone else the headache....
I have a 2011 BMW 550i and the guide pin bolts were 9mm hex head. I ended up pulling the entire caliper but I am 100% sure they are 9mm now. |
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04-22-2015, 07:12 PM | #6 |
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Ahh, yours is 550i, the one I did yesterday was 528i.
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