HomeBrake > Brake HydraulicsDorman M630918 Brake Master Cylinder
Part #: M630918

Dorman M630918 Brake Master Cylinder

⚙️ 113 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 125i, 230i, 230i xDrive, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 330e, 330i, 330i GT xDrive, 330i xDrive, 335i, 335i GT xDrive, 335i xDrive, 340i, 340i GT xDrive, 340i xDrive, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, 520i, 530e, 530e xDrive, 530i, 530i xDrive, 540i, 540i xDrive, 740e xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, ActiveHybrid 3, M135i, M140i, M2, M235i, M235i xDrive, M240i, and M240i xDrive
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Dorman M630918 Brake Master Cylinder
BrandDorman
Part NumberM630918
Mounting Hardware IncludedNo
Master Cylinder Bore Diameter1
Master Cylinder MaterialCast iron
Reservoir IncludedNo
Sensor IncludedNo
Number of Outlets2
Package ContentsMaster cylinder
Rearward Outlet SizeM12x1.0
Reservoir TypeRemovable
Secondary Outlet Thread DiameterM12x1.0

This part fits 113 vehicles. Search below:

YearMakeModelPositionNotes
2019BMW230iN/A
2019BMW230i xDriveN/A
2019BMW340i GT xDriveN/A
2019BMW430iN/A
2019BMW430i Gran CoupeN/A
2019BMW430i xDriveN/A
2019BMW430i xDrive Gran CoupeN/A
2019BMW440iN/A
2019BMW440i Gran CoupeN/A
2019BMW440i xDriveN/A
2019BMW440i xDrive Gran CoupeN/A
2019BMW520iN/A
2019BMW530eN/A
2019BMW530e xDriveN/A
2019BMW530iN/A
2019BMW530i xDriveN/A
2019BMW540iN/A
2019BMW540i xDriveN/A
2019BMW740e xDriveN/A
2019BMW750iN/A
2019BMW750i xDriveN/A
2019BMW750LiN/A
2019BMW750Li xDriveN/A
2019BMWM140iN/A
2019BMWM2N/A
2019BMWM240iN/A
2019BMWM240i xDriveN/A
2018BMW230iN/A
2018BMW230i xDriveN/A
2018BMW328dN/A
2018BMW328d xDriveN/A
2018BMW330eN/A
2018BMW330iN/A
2018BMW330i GT xDriveN/A
2018BMW330i xDriveN/A
2018BMW340iN/A
2018BMW340i GT xDriveN/A
2018BMW340i xDriveN/A
2018BMW430iN/A
2018BMW430i Gran CoupeN/A
2018BMW430i xDriveN/A
2018BMW430i xDrive Gran CoupeN/A
2018BMW440iN/A
2018BMW440i Gran CoupeN/A
2018BMW440i xDriveN/A
2018BMW440i xDrive Gran CoupeN/A
2018BMWM140iN/A
2018BMWM2N/A
2018BMWM240iN/A
2018BMWM240i xDriveN/A
2017BMW230iN/A
2017BMW230i xDriveN/A
2017BMW328dN/A
2017BMW328d xDriveN/A
2017BMW330eN/A
2017BMW330iN/A
2017BMW330i GT xDriveN/A
2017BMW330i xDriveN/A
2017BMW340iN/A
2017BMW340i GT xDriveN/A
2017BMW340i xDriveN/A
2017BMWM140iN/A
2017BMWM2N/A
2017BMWM240iN/A
2017BMWM240i xDriveN/A
2016BMW328dN/A
2016BMW328d xDriveN/A
2016BMW328iN/A
2016BMW328i GT xDriveN/A
2016BMW328i xDriveN/A
2016BMW330eN/A
2016BMW330iN/A
2016BMW335i GT xDriveN/A
2016BMW340iN/A
2016BMW340i xDriveN/A
2016BMWM135iN/A
2016BMWM2N/A
2016BMWM235iN/A
2016BMWM235i xDriveN/A
2015BMW328dN/A
2015BMW328d xDriveN/A
2015BMW328iN/A
2015BMW328i GT xDriveN/A
2015BMW328i xDriveN/A
2015BMW335iN/A
2015BMW335i GT xDriveN/A
2015BMW335i xDriveN/A
2015BMW428iN/A
2015BMW428i Gran CoupeN/A
2015BMW428i xDriveN/A
2015BMW428i xDrive Gran CoupeN/A
2015BMW435iN/A
2015BMW435i Gran CoupeN/A
2015BMW435i xDriveN/A
2015BMW435i xDrive Gran CoupeN/A
2015BMWActiveHybrid 3N/A
2015BMWM135iN/A
2015BMWM235iN/A
2015BMWM235i xDriveN/A
2014BMW328dN/A
2014BMW328d xDriveN/A
2014BMW328iN/A
2014BMW328i GT xDriveN/A
2014BMW328i xDriveN/A
2014BMW335iN/A
2014BMW335i GT xDriveN/A
2014BMW335i xDriveN/A
2014BMWActiveHybrid 3N/A
2014BMWM135iN/A
2014BMWM235iN/A
2013BMW125iN/A
2013BMWActiveHybrid 3N/A
2013BMWM135iN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11-4694130.3412234336851095MC146080MC391505

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.