Removed from BMW F31 with Msport 370mm brake discs. Please double check against pictures and part numbers that this fits other models. Off side front / Drivers side UK bmw 20B427041A is the part no. All pistons and seals good. Outer bleed nipple is free / not seized. Inner bleed nipple has sheared off. Tried to weld a nut on, but to no avail. Possibly an easy / straightforward fix for someone else. Thanks
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