Get the Best Priced BMW 545i Master Cylinder
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Shop BMW 545i Replacement Master Cylinder
Your BMW 545i's master cylinder is the brake fluid reservoir that activates your hydraulic brakes when you step on your brake pedal. It's mounted on the engine. When you step on your brakes, you push a piston through the master cylinder, which, in turn, forces brake fluid through the brake lines. This fluid applies pressure to the caliper, which pushes the brake pads against the rotor. It's this action that stops your car. Automotive experts estimate that the typical driver applies the brakes at least 75,000 times a year. PartsGeek.com sells master cylinders for your BMW 545i.
Most master cylinder malfunctions involve leaks. When your master cylinder loses fluid, air gets trapped in the system, which will make your brakes feel spongy when you step down on them. Your brake pedal will go all the way down to the floor before your car finally stops.
We stock these Master Cylinder brands for the BMW 545i: TRWA1 CardoneCentricRaybestosDormanAPIDynamic FrictionAC DelcoMetelli
Master Cylinders available for the following BMW 545i years: 2005, 2004, 05, 04. This part is also sometimes called BMW 545i Brake Master. We stock master cylinder parts for most BMW models including X5, 2002, 325i, 530i, 525i, 528i, 540i, 735i, 535i, 325e, 750iL, 318i, M3, 325, 2002tii, 320i, 325is, 633CSi, Z3, 323i, 635CSi, 745Li, X3, 325es, 325xi, 528e, 750Li, 740i, 740iL, 328i, 530xi, 3.0CS, 850i, 645Ci, 745i, M5, 550i, 735iL, 650i and 525xi.
Select your 545i year


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2004 BMW 545i |


Brake Master Cylinder
- Bores meet critical micro-finish specifications to eliminate pitting and corrosion, a cause of premature failure
- Castings feature a premium protective coating to minimize corrosion and extend unit life
- Mounting hardware and bleeding kits are supplied with every unit to make the installation and bleeding process faster and easier (where applicable)
- Only O.E.-quality seals and cups are used to ensure O.E. performance and reliability. All rubber components meet S.A.E. specifications
- Plastic reservoirs are vacuum-tested to ensure they are leak free
- Seals are temperature-cycled from -30°F to +220°F to ensure reliable performance during your daily commute
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2005 BMW 545i |


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2005 BMW 545i |


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2005 BMW 545i |


- As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
- Bleeding kits are supplied with the unit to make the bleeding process faster and easier (where applicable).
- Bores meet critical micro-finish specifications to eliminate pitting and corrosion, a cause of premature failure.
- Cast-iron master cylinders feature a premium protective coating to minimize rust and extend unit life.
- Only new O.E.-quality seals and cups are used in the remanufacturing process to ensure O.E. performance and reliability. All rubber components meet S.A.E. specifications.
- Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
- Piston assemblies are height-gauged to ensure the master cylinder equals the O.E. unit performance.
- Plastic reservoirs are vacuum-tested to ensure they are leak free.
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2005 BMW 545i |


- PG Plus Professional Grade Master Cylinders
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2005 BMW 545i |


- Constructed to match the casting material of the original part and ensure similar performance
- All rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Made to meet rigorous SAE International standards
Vehicle |
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2004 BMW 545i |


- As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
- Bleeding kits are supplied with the unit to make the bleeding process faster and easier (where applicable).
- Bores meet critical micro-finish specifications to eliminate pitting and corrosion, a cause of premature failure.
- Cast-iron master cylinders feature a premium protective coating to minimize rust and extend unit life.
- Only new O.E.-quality seals and cups are used in the remanufacturing process to ensure O.E. performance and reliability. All rubber components meet S.A.E. specifications.
- Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
- Piston assemblies are height-gauged to ensure the master cylinder equals the O.E. unit performance.
- Plastic reservoirs are vacuum-tested to ensure they are leak free.
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2004 BMW 545i |


Vehicle |
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2005 BMW 545i |


Vehicle |
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2004 BMW 545i |


Vehicle |
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2005 BMW 545i |


Vehicle |
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2004 BMW 545i |


Vehicle |
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2005 BMW 545i |


- Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
- Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
- Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
- Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear
- Pressure tested to ensure safe and confident braking
Vehicle |
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2005 BMW 545i |


- Metelli manufactures Brake Master Cylinders for the OE and After Market
- All our products are manufactured using the highest quality materials
- All parts are manufactured and tested to meet or exceed the Original Manufacturers Specifications
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2005 BMW 545i |


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2005 BMW 545i |


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2005 BMW 545i |


- PG Plus Professional Grade Master Cylinders
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2005 BMW 545i |
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BMW 545i Vacuum Pump$131.97
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