BMW 3-Series Brake Master Cylinders & Reservoirs
- Centric®Premium™ Brake Master Cylinder (130.34104)Premium™ Brake Master Cylinder (130.34104) by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle.Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications$70.93
- Centric®Premium™ Brake Master Cylinder (130.34100)Premium™ Brake Master Cylinder (130.34100) by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle.Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications$93.22
- Centric®Premium™ Brake Master Cylinder (130.34008)Premium™ Brake Master Cylinder (130.34008) by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle.Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications$297.27
- Centric®Premium™ Brake Master Cylinder (130.34006)Premium™ Brake Master Cylinder (130.34006) by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle.Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications$277.85
- Centric®Premium™ Brake Master Cylinder (130.34105)Premium™ Brake Master Cylinder (130.34105) by Centric®. Manufactured to OE and OES standards, this cylinder easily restores the braking system building the required amount of hydraulic pressure that is necessary for braking a vehicle.Designed to match OE quality, configuration, and fitmentMeets OE and OES standards and specifications$70.93
- Dorman®Brake Master Cylinder (M631000)Brake Master Cylinder (M631000) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$127.36
- Dorman®Brake Master Cylinder (M630981)Brake Master Cylinder (M630981) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$125.14
- Dorman®Brake Master Cylinder (M630918)Brake Master Cylinder by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$123.33
- Dorman®Brake Master Cylinder (M630902)Brake Master Cylinder (M630902) by Dorman®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$140.41
- Dorman®Brake Master Cylinder (M630897)Brake Master Cylinder (M630897) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$125.92
- Dorman®Brake Master Cylinder (M630838)Brake Master Cylinder (M630838) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$137.71
- Dorman®Brake Master Cylinder (M630670)Brake Master Cylinder (M630670) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$124.96
- Dorman®Brake Master Cylinder (M630075)Brake Master Cylinder (M630075) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$196.90
- Dorman®Brake Master Cylinder (M630074)Brake Master Cylinder (M630074) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$228.58
- Dorman®Brake Master Cylinder (M630273)Brake Master Cylinder (M630273) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$231.27
- Dorman®Brake Master Cylinder (M630073)Brake Master Cylinder (M630073) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$229.63
- Dorman®Brake Master Cylinder (M630071)Brake Master Cylinder (M630071) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$204.56
- Dorman®Brake Master Cylinder (M630067)Brake Master Cylinder (M630067) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$258.57
- Dorman®Brake Master Cylinder (M39879)Brake Master Cylinder by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$287.39
- Dorman®Brake Master Cylinder (M39405)Brake Master Cylinder by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$73.19
- Dorman®Brake Master Cylinder (M390085)Brake Master Cylinder (M390085) by Dorman®. New. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluidDirect replacement for a proper fit$218.73
- ACDelco®Gold™ Brake Master Cylinder (18M394)Gold™ Brake Master Cylinder by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$152.60
- ACDelco®Gold™ Brake Master Cylinder (18M607)Gold™ Brake Master Cylinder by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$373.52
- ACDelco®Gold™ Brake Master Cylinder (18M390769)Gold™ Brake Master Cylinder (18M390769) by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$104.68
- ACDelco®Gold™ Brake Master Cylinder (18M1100)Gold™ Brake Master Cylinder (18M1100) by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$577.77
- ACDelco®Gold™ Brake Master Cylinder (18M391468)Gold™ Brake Master Cylinder (18M391468) by ACDelco®. New. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$159.50
- Raybestos®Element3™ Brake Master Cylinder (MC39710)Element3™ Brake Master Cylinder (MC39710) by Raybestos®. Element3™ New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done; lessens...Materials and Design Match OE: Vehicle specific designs; no stress on the brake booster mountingDependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance$296.63
- Raybestos®Element3™ Brake Master Cylinder (MC390243)Element3™ Brake Master Cylinder (MC390243) by Raybestos®. Element3™ New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done; lessens...Materials and Design Match OE: Vehicle specific designs; no stress on the brake booster mountingDependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance$1,728.41
- Raybestos®Element3™ Brake Master Cylinder (MC390080)Element3™ Brake Master Cylinder (MC390080) by Raybestos®. Element3™ New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done; lessens...Materials and Design Match OE: Vehicle specific designs; no stress on the brake booster mountingDependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance$563.92
- Raybestos®Element3™ Brake Master Cylinder (MC390240)Element3™ Brake Master Cylinder (MC390240) by Raybestos®. Element3™ New Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done; lessens...Materials and Design Match OE: Vehicle specific designs; no stress on the brake booster mountingDependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance$616.63
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Arguably one of the most vital components in vehicles, a master cylinder is an integral part of the brake system. It plays the role of converting the force applied by the driver's foot on the brake pedal into proportional hydraulic pressure required to slow down or stop the vehicle. Modern brake system features two separate circuits, each controlling two wheels, providing a certain level of safety in case of failure of one circuit. Brake fluid is contained in a reservoir located under the hood. BMWs offer a high level of safety, however, failures of the brake system may happen anyway, as no machine has immunity from such malfunctions. But if you make regular maintenance properly, you reduce this risk to a minimum.
Substantially, the master cylinder is a cast iron or aluminum cylinder that houses a system of pistons and springs. When the brake pedal is pressed, a linkage transmits force to the pistons that compress brake fluid, which in turn transfers pressure required to perform braking. Sealing of the system is paramount, as even a small leak can result in a poor braking action, with dangerous and dramatic consequences. Browse our online catalog to choose from high-quality and reasonably priced BMW 3-Series brake master cylinders, reservoirs, and related components such as grommets, caps, and seals.
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