Socket size to remove front brake pad bolt?

Texas83 · 09-12-2018, 08:35 AM

I'm trying to change out my front brake pads on my 2012 F12, but can't figure for the life of me what size allen socket to use to remove the caliper guiding bolts? Anyone know?

BMW Part No. 34116776934, Guiding bolt
https://www.realoem.com/bmw/enUS/par...&q=34116776934

Texas83 · 09-12-2018, 08:41 AM

pic of the bolt

Havy · 09-12-2018, 11:53 AM

Normally it should be a 7 or 8mm Allen key. Get high Qualität otherwise you will damage the inside key.

Texas83 · 09-12-2018, 11:54 AM

I tried 6, 7, 8, and 10mm. 10mm was too big, all others too small. I don't get it!

Havy · 09-12-2018, 01:23 PM

9mm is an unusual size.

DownwiththeQs · 08-20-2023, 08:29 AM

Looks like we never figured this out

09-12-2018, 08:35 AM	#1
Texas83 Enlisted Member 15 Rep 43 Posts Drives: 650i Convertible F12 Join Date: Sep 2018 Location: Dallas, TX iTrader: (0) Garage List 2012 650i Convertib ... [0.00]	Socket size to remove front brake pad bolt? I'm trying to change out my front brake pads on my 2012 F12, but can't figure for the life of me what size allen socket to use to remove the caliper guiding bolts? Anyone know? BMW Part No. 34116776934, Guiding bolt https://www.realoem.com/bmw/enUS/par...&q=34116776934
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09-12-2018, 08:41 AM	#2
Texas83 Enlisted Member 15 Rep 43 Posts Drives: 650i Convertible F12 Join Date: Sep 2018 Location: Dallas, TX iTrader: (0) Garage List 2012 650i Convertib ... [0.00]	pic of the bolt Attached Images
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09-12-2018, 11:53 AM	#3
Havy Captain 303 Rep 709 Posts Drives: BMW X5 M50i Join Date: Sep 2018 Location: Europe iTrader: (0)	Normally it should be a 7 or 8mm Allen key. Get high Qualität otherwise you will damage the inside key.
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09-12-2018, 11:54 AM	#4
Texas83 Enlisted Member 15 Rep 43 Posts Drives: 650i Convertible F12 Join Date: Sep 2018 Location: Dallas, TX iTrader: (0) Garage List 2012 650i Convertib ... [0.00]	I tried 6, 7, 8, and 10mm. 10mm was too big, all others too small. I don't get it!
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09-12-2018, 01:23 PM	#5
Havy Captain 303 Rep 709 Posts Drives: BMW X5 M50i Join Date: Sep 2018 Location: Europe iTrader: (0)	9mm is an unusual size.
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08-20-2023, 08:29 AM	#6
DownwiththeQs New Member 2 Rep 5 Posts Drives: bmw 650i gran coupe Join Date: Jun 2023 Location: indianapolis iTrader: (0)	Looks like we never figured this out
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