{"product_id":"dorman-m630670-brake-master-cylinder","title":"Dorman M630670 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for BMW and Saturn Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M630670 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for select BMW and Saturn models, this aluminum master cylinder ensures durability and precise performance without the need for additional mounting hardware or sensors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch for optimal hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with M12 x 1.0 thread size for secure brake line connections\u003c\/li\u003e\n\u003cli\u003eDoes not include reservoir or sensor, allowing compatibility with existing components\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only, no mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Dorman M630670 brake master cylinder features a 1-inch bore diameter, which is critical for maintaining proper brake fluid pressure and pedal feel. Its aluminum construction offers a balance of strength and lightweight design, helping to resist corrosion and wear over time. The unit includes two outlets, both with M12 x 1.0 thread pitch, suitable for connecting to the brake lines on compatible vehicles. This master cylinder is designed without a reservoir or sensor, making it ideal for replacement in vehicles where these components remain intact.\u003c\/p\u003e\u003cp\u003eThis part is compatible with a range of BMW models including the 135i, 135is, 325i, 325xi, 328i, 328i xDrive, 328xi, 335d, 335i, 335is, 335i xDrive, and 335xi. It also fits the Saturn Astra and BMW X1 models, ensuring a precise fit and reliable operation when replacing the brake master cylinder.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake pedal pressure and responsiveness\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks caused by worn or damaged master cylinders\u003c\/li\u003e\n\u003cli\u003eResolves spongy or inconsistent brake pedal feel\u003c\/li\u003e\n\u003cli\u003ePrevents brake system failure due to internal seal wear\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light issues related to master cylinder malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the brake fluid reservoir and sensors are compatible and in good condition before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air and ensure proper hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for M12 x 1.0 outlet fittings to avoid thread damage\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your specific BMW or Saturn model year and brake system configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630670 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction provides corrosion resistance and long service life. While mounting hardware and reservoir are not included, the part is designed for straightforward replacement in compatible vehicles. Warranty coverage details can be obtained from the product documentation or Dorman directly, ensuring confidence in the part's reliability and performance.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792339501237,"sku":"BKKX-M630670","price":149.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630670_Generic.jpg?v=1774997732","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630670-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}