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OE Quality
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MPA ElectricalPart #: NM55447
MPA Electrical NM55447 Brake Master Cylinder
⚙️ 213 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$140.98Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦New with front disc brakes
🚗Fitment: BMW, 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535d, 535d xDrive, 535i, 535i GT, 535i GT xDrive, 535i xDrive, 535xi, 545i, 550i, 550i GT, 550i GT xDrive, 550i xDrive, 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe, 645Ci, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, 740i, 740Ld xDrive, 740Li, 740Li xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, 760Li, ActiveHybrid 5, M5, and M6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Brake Master Cylinder options
MPA Electrical NM55447 Brake Master Cylinder
| Brand | MPA Electrical |
| Part Number | NM55447 |
| Position | New with front disc brakes |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1.063 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 0.357 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Product Condition | New |
This part fits 213 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2019 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2019 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2019 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2019 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2018 | BMW | 640i | N/A | New with front disc brakes | |
| 2018 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2018 | BMW | 640i xDrive | N/A | New with front disc brakes | |
| 2018 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2018 | BMW | 650i | N/A | New with front disc brakes | |
| 2018 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2018 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2018 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2017 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2017 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2017 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2017 | BMW | 640i | N/A | New with front disc brakes | |
| 2017 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2017 | BMW | 640i xDrive | N/A | New with front disc brakes | |
| 2017 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2017 | BMW | 650i | N/A | New with front disc brakes | |
| 2017 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2017 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2017 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2016 | BMW | 528i | N/A | New with front disc brakes | |
| 2016 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 535d | N/A | New with front disc brakes | |
| 2016 | BMW | 535d xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 535i | N/A | New with front disc brakes | |
| 2016 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2016 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 550i | N/A | New with front disc brakes | |
| 2016 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 640i | N/A | New with front disc brakes | |
| 2016 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2016 | BMW | 640i xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2016 | BMW | 650i | N/A | New with front disc brakes | |
| 2016 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2016 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2016 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2015 | BMW | 528i | N/A | New with front disc brakes | |
| 2015 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 535d | N/A | New with front disc brakes | |
| 2015 | BMW | 535d xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 535i | N/A | New with front disc brakes | |
| 2015 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2015 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 550i | N/A | New with front disc brakes | |
| 2015 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2015 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 640i | N/A | New with front disc brakes | |
| 2015 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2015 | BMW | 640i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2015 | BMW | 650i | N/A | New with front disc brakes | |
| 2015 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2015 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2015 | BMW | 740i | N/A | New with front disc brakes | |
| 2015 | BMW | 740Ld xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 740Li | N/A | New with front disc brakes | |
| 2015 | BMW | 740Li xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 750i | N/A | New with front disc brakes | |
| 2015 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 750Li | N/A | New with front disc brakes | |
| 2015 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2015 | BMW | 760Li | N/A | New with front disc brakes | |
| 2014 | BMW | 528i | N/A | New with front disc brakes | |
| 2014 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 535d | N/A | New with front disc brakes | |
| 2014 | BMW | 535d xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 535i | N/A | New with front disc brakes | |
| 2014 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2014 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 550i | N/A | New with front disc brakes | |
| 2014 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2014 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 640i | N/A | New with front disc brakes | |
| 2014 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2014 | BMW | 640i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 640i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2014 | BMW | 650i | N/A | New with front disc brakes | |
| 2014 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2014 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2014 | BMW | 740i | N/A | New with front disc brakes | |
| 2014 | BMW | 740Li | N/A | New with front disc brakes | |
| 2014 | BMW | 740Li xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 750i | N/A | New with front disc brakes | |
| 2014 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 750Li | N/A | New with front disc brakes | |
| 2014 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2014 | BMW | 760Li | N/A | New with front disc brakes | |
| 2013 | BMW | 528i | N/A | New with front disc brakes | |
| 2013 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 535i | N/A | New with front disc brakes | |
| 2013 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2013 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 550i | N/A | New with front disc brakes | |
| 2013 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2013 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 640i | N/A | New with front disc brakes | |
| 2013 | BMW | 640i Gran Coupe | N/A | New with front disc brakes | |
| 2013 | BMW | 650i | N/A | New with front disc brakes | |
| 2013 | BMW | 650i Gran Coupe | N/A | New with front disc brakes | |
| 2013 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 650i xDrive Gran Coupe | N/A | New with front disc brakes | |
| 2013 | BMW | 740i | N/A | New with front disc brakes | |
| 2013 | BMW | 740Li | N/A | New with front disc brakes | |
| 2013 | BMW | 740Li xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 750i | N/A | New with front disc brakes | |
| 2013 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 750Li | GAS | N/A | New with front disc brakes |
| 2013 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2013 | BMW | 760Li | N/A | New with front disc brakes | |
| 2012 | BMW | 528i | N/A | New with front disc brakes | |
| 2012 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 535i | N/A | New with front disc brakes | |
| 2012 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2012 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 550i | N/A | New with front disc brakes | |
| 2012 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2012 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 640i | N/A | New with front disc brakes | |
| 2012 | BMW | 650i | N/A | New with front disc brakes | |
| 2012 | BMW | 650i xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 740i | N/A | New with front disc brakes | |
| 2012 | BMW | 740Li | N/A | New with front disc brakes | |
| 2012 | BMW | 750i | GAS | N/A | New with front disc brakes |
| 2012 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 750Li | GAS | N/A | New with front disc brakes |
| 2012 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2012 | BMW | 760Li | N/A | New with front disc brakes | |
| 2012 | BMW | ActiveHybrid 5 | N/A | New with front disc brakes | |
| 2011 | BMW | 528i | N/A | New with front disc brakes | |
| 2011 | BMW | 535i | N/A | New with front disc brakes | |
| 2011 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2011 | BMW | 535i GT xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 550i | N/A | New with front disc brakes | |
| 2011 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2011 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 550i xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 740i | N/A | New with front disc brakes | |
| 2011 | BMW | 740Li | N/A | New with front disc brakes | |
| 2011 | BMW | 750i | GAS | N/A | New with front disc brakes |
| 2011 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 750Li | N/A | New with front disc brakes | |
| 2011 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2011 | BMW | 760Li | N/A | New with front disc brakes | |
| 2010 | BMW | 528i | N/A | New with front disc brakes | |
| 2010 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2010 | BMW | 535i | N/A | New with front disc brakes | |
| 2010 | BMW | 535i GT | N/A | New with front disc brakes | |
| 2010 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2010 | BMW | 550i | N/A | New with front disc brakes | |
| 2010 | BMW | 550i GT | N/A | New with front disc brakes | |
| 2010 | BMW | 550i GT xDrive | N/A | New with front disc brakes | |
| 2010 | BMW | 650i | N/A | New with front disc brakes | |
| 2010 | BMW | 750i | N/A | New with front disc brakes | |
| 2010 | BMW | 750i xDrive | N/A | New with front disc brakes | |
| 2010 | BMW | 750Li | N/A | New with front disc brakes | |
| 2010 | BMW | 750Li xDrive | N/A | New with front disc brakes | |
| 2010 | BMW | 760Li | N/A | New with front disc brakes | |
| 2010 | BMW | M5 | N/A | New with front disc brakes | |
| 2010 | BMW | M6 | N/A | New with front disc brakes | |
| 2009 | BMW | 528i | N/A | New with front disc brakes | |
| 2009 | BMW | 528i xDrive | N/A | New with front disc brakes | |
| 2009 | BMW | 535i | N/A | New with front disc brakes | |
| 2009 | BMW | 535i xDrive | N/A | New with front disc brakes | |
| 2009 | BMW | 550i | N/A | New with front disc brakes | |
| 2009 | BMW | 650i | N/A | New with front disc brakes | |
| 2009 | BMW | 750i | N/A | New with front disc brakes | |
| 2009 | BMW | M5 | N/A | New with front disc brakes | |
| 2009 | BMW | M6 | N/A | New with front disc brakes | |
| 2008 | BMW | 528i | N/A | New with front disc brakes | |
| 2008 | BMW | 528xi | N/A | New with front disc brakes | |
| 2008 | BMW | 535i | N/A | New with front disc brakes | |
| 2008 | BMW | 535xi | N/A | New with front disc brakes | |
| 2008 | BMW | 550i | N/A | New with front disc brakes | |
| 2008 | BMW | 650i | N/A | New with front disc brakes | |
| 2008 | BMW | M5 | N/A | New with front disc brakes | |
| 2008 | BMW | M6 | N/A | New with front disc brakes | |
| 2007 | BMW | 525i | N/A | New with front disc brakes | |
| 2007 | BMW | 525xi | N/A | New with front disc brakes | |
| 2007 | BMW | 530i | N/A | New with front disc brakes | |
| 2007 | BMW | 530xi | N/A | New with front disc brakes | |
| 2007 | BMW | 550i | N/A | New with front disc brakes | |
| 2007 | BMW | 650i | N/A | New with front disc brakes | |
| 2007 | BMW | M5 | N/A | New with front disc brakes | |
| 2007 | BMW | M6 | N/A | New with front disc brakes | |
| 2006 | BMW | 525i | N/A | New with front disc brakes | |
| 2006 | BMW | 525xi | N/A | New with front disc brakes | |
| 2006 | BMW | 530i | N/A | New with front disc brakes | |
| 2006 | BMW | 530xi | N/A | New with front disc brakes | |
| 2006 | BMW | 550i | N/A | New with front disc brakes | |
| 2006 | BMW | 650i | N/A | New with front disc brakes | |
| 2006 | BMW | M5 | N/A | New with front disc brakes | |
| 2006 | BMW | M6 | N/A | New with front disc brakes | |
| 2005 | BMW | 545i | N/A | New with front disc brakes | |
| 2005 | BMW | 645Ci | N/A | New with front disc brakes | |
| 2004 | BMW | 545i | N/A | New with front disc brakes | |
| 2004 | BMW | 645Ci | N/A | New with front disc brakes |
* 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:
34316761079343367816213433678658634336796729
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.